suse-su-2023:3838-1
Vulnerability from csaf_suse
Published
2023-09-27 17:27
Modified
2023-09-27 17:27
Summary
Security update for the Linux Kernel (Live Patch 40 for SLE 15 SP1)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 40 for SLE 15 SP1)
Description of the patch
This update for the Linux Kernel 4.12.14-150100_197_145 fixes several issues. The following security issues were fixed: - CVE-2023-3776: Fixed improper refcount update in cls_fw leads to use-after-free (bsc#1215119). - CVE-2023-1829: Fixed a use-after-free vulnerability in the control index filter (tcindex) (bsc#1210619). - CVE-2023-3609: Fixed reference counter leak leading to overflow in net/sched (bsc#1213587). - CVE-2023-3812: Fixed an out-of-bounds memory access flaw in the TUN/TAP device driver functionality that could allow a local user to crash or potentially escalate their privileges on the system (bsc#1213706).
Patchnames
SUSE-2023-3838,SUSE-SLE-Module-Live-Patching-15-SP1-2023-3838
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).


To clipboard 

{
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      "text": "important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
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        "title": "Title of the patch"
      },
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        "category": "description",
        "text": "This update for the Linux Kernel 4.12.14-150100_197_145 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2023-3776: Fixed improper refcount update in cls_fw leads to use-after-free (bsc#1215119).\n- CVE-2023-1829: Fixed a use-after-free vulnerability in the control index filter (tcindex) (bsc#1210619).\n- CVE-2023-3609: Fixed reference counter leak leading to  overflow in net/sched (bsc#1213587).\n- CVE-2023-3812: Fixed an out-of-bounds memory access flaw in the TUN/TAP device driver functionality that could allow a local user to crash or potentially escalate their privileges on the system (bsc#1213706).\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-2023-3838,SUSE-SLE-Module-Live-Patching-15-SP1-2023-3838",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
      }
    ],
    "publisher": {
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        "url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2023_3838-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2023:3838-1",
        "url": "https://www.suse.com/support/update/announcement/2023/suse-su-20233838-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2023:3838-1",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016350.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1210619",
        "url": "https://bugzilla.suse.com/1210619"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1213587",
        "url": "https://bugzilla.suse.com/1213587"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1213706",
        "url": "https://bugzilla.suse.com/1213706"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1215119",
        "url": "https://bugzilla.suse.com/1215119"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2023-1829 page",
        "url": "https://www.suse.com/security/cve/CVE-2023-1829/"
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        "summary": "SUSE CVE CVE-2023-3609 page",
        "url": "https://www.suse.com/security/cve/CVE-2023-3609/"
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        "url": "https://www.suse.com/security/cve/CVE-2023-3776/"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2023-3812 page",
        "url": "https://www.suse.com/security/cve/CVE-2023-3812/"
      }
    ],
    "title": "Security update for the Linux Kernel (Live Patch 40 for SLE 15 SP1)",
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      "id": "SUSE-SU-2023:3838-1",
      "initial_release_date": "2023-09-27T17:27:47Z",
      "revision_history": [
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          "date": "2023-09-27T17:27:47Z",
          "number": "1",
          "summary": "Current version"
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      "status": "final",
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        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.ppc64le",
                "product": {
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          },
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            "branches": [
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                "category": "product_name",
                "name": "SUSE Linux Enterprise Live Patching 15 SP1",
                "product": {
                  "name": "SUSE Linux Enterprise Live Patching 15 SP1",
                  "product_id": "SUSE Linux Enterprise Live Patching 15 SP1",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sle-module-live-patching:15:sp1"
                  }
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              }
            ],
            "category": "product_family",
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        "name": "SUSE"
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          "product_id": "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.ppc64le"
        },
        "product_reference": "kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.ppc64le",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP1"
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  "vulnerabilities": [
    {
      "cve": "CVE-2023-1829",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-1829"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve local privilege escalation.  The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure.  A local attacker user can use this vulnerability to elevate its privileges to root.\nWe recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-1829",
          "url": "https://www.suse.com/security/cve/CVE-2023-1829"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1210335 for CVE-2023-1829",
          "url": "https://bugzilla.suse.com/1210335"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1210619 for CVE-2023-1829",
          "url": "https://bugzilla.suse.com/1210619"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1217444 for CVE-2023-1829",
          "url": "https://bugzilla.suse.com/1217444"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1217531 for CVE-2023-1829",
          "url": "https://bugzilla.suse.com/1217531"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1220886 for CVE-2023-1829",
          "url": "https://bugzilla.suse.com/1220886"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1228311 for CVE-2023-1829",
          "url": "https://bugzilla.suse.com/1228311"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2023-09-27T17:27:47Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-1829"
    },
    {
      "cve": "CVE-2023-3609",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-3609"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A use-after-free vulnerability in the Linux kernel\u0027s net/sched: cls_u32 component can be exploited to achieve local privilege escalation.\n\nIf tcf_change_indev() fails, u32_set_parms() will immediately return an error after incrementing or decrementing the reference counter in tcf_bind_filter(). If an attacker can control the reference counter and set it to zero, they can cause the reference to be freed, leading to a use-after-free vulnerability.\n\nWe recommend upgrading past commit 04c55383fa5689357bcdd2c8036725a55ed632bc.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-3609",
          "url": "https://www.suse.com/security/cve/CVE-2023-3609"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1213586 for CVE-2023-3609",
          "url": "https://bugzilla.suse.com/1213586"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1213587 for CVE-2023-3609",
          "url": "https://bugzilla.suse.com/1213587"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1217444 for CVE-2023-3609",
          "url": "https://bugzilla.suse.com/1217444"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1217531 for CVE-2023-3609",
          "url": "https://bugzilla.suse.com/1217531"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
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            "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2023-09-27T17:27:47Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-3609"
    },
    {
      "cve": "CVE-2023-3776",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-3776"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A use-after-free vulnerability in the Linux kernel\u0027s net/sched: cls_fw component can be exploited to achieve local privilege escalation.\n\nIf tcf_change_indev() fails, fw_set_parms() will immediately return an error after incrementing or decrementing the reference counter in tcf_bind_filter(). If an attacker can control the reference counter and set it to zero, they can cause the reference to be freed, leading to a use-after-free vulnerability.\n\nWe recommend upgrading past commit 0323bce598eea038714f941ce2b22541c46d488f.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-3776",
          "url": "https://www.suse.com/security/cve/CVE-2023-3776"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1213588 for CVE-2023-3776",
          "url": "https://bugzilla.suse.com/1213588"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1215119 for CVE-2023-3776",
          "url": "https://bugzilla.suse.com/1215119"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1215674 for CVE-2023-3776",
          "url": "https://bugzilla.suse.com/1215674"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1217444 for CVE-2023-3776",
          "url": "https://bugzilla.suse.com/1217444"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1217531 for CVE-2023-3776",
          "url": "https://bugzilla.suse.com/1217531"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1221578 for CVE-2023-3776",
          "url": "https://bugzilla.suse.com/1221578"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1221598 for CVE-2023-3776",
          "url": "https://bugzilla.suse.com/1221598"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1223091 for CVE-2023-3776",
          "url": "https://bugzilla.suse.com/1223091"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1223973 for CVE-2023-3776",
          "url": "https://bugzilla.suse.com/1223973"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2023-09-27T17:27:47Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-3776"
    },
    {
      "cve": "CVE-2023-3812",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-3812"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An out-of-bounds memory access flaw was found in the Linux kernel\u0027s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-3812",
          "url": "https://www.suse.com/security/cve/CVE-2023-3812"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1213543 for CVE-2023-3812",
          "url": "https://bugzilla.suse.com/1213543"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1213706 for CVE-2023-3812",
          "url": "https://bugzilla.suse.com/1213706"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1217444 for CVE-2023-3812",
          "url": "https://bugzilla.suse.com/1217444"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1217531 for CVE-2023-3812",
          "url": "https://bugzilla.suse.com/1217531"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-150100_197_145-default-6-150100.2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2023-09-27T17:27:47Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-3812"
    }
  ]
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.