suse-su-2023:3922-1
Vulnerability from csaf_suse
Published
2023-09-30 13:04
Modified
2023-09-30 13:04
Summary
Security update for the Linux Kernel (Live Patch 13 for SLE 15 SP4)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 13 for SLE 15 SP4)
Description of the patch
This update for the Linux Kernel 5.14.21-150400_24_66 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-2023-4273: Fixed a flaw in the exFAT driver of the Linux kernel that alloawed a local privileged attacker to overflow the kernel stack (bsc#1214123). - CVE-2023-3609: Fixed reference counter leak leading to overflow in net/sched (bsc#1213587). - CVE-2023-31248: Fixed an use-after-free vulnerability in nft_chain_lookup_byid that could allow a local attacker to escalate their privilege (bsc#1213064).
Patchnames
SUSE-2023-3922,SUSE-SLE-Module-Live-Patching-15-SP4-2023-3922
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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      "ids": [
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          "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"
        }
      ],
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          "summary": "CVE-2023-1829",
          "url": "https://www.suse.com/security/cve/CVE-2023-1829"
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        {
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          "summary": "SUSE Bug 1210335 for CVE-2023-1829",
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        {
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          "summary": "SUSE Bug 1210619 for CVE-2023-1829",
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        {
          "category": "external",
          "summary": "SUSE Bug 1217444 for CVE-2023-1829",
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        {
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          "summary": "SUSE Bug 1217531 for CVE-2023-1829",
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        {
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          "summary": "SUSE Bug 1220886 for CVE-2023-1829",
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        {
          "category": "external",
          "summary": "SUSE Bug 1228311 for CVE-2023-1829",
          "url": "https://bugzilla.suse.com/1228311"
        }
      ],
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        {
          "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": [
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            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.s390x",
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            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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        }
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          "details": "important"
        }
      ],
      "title": "CVE-2023-1829"
    },
    {
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      "ids": [
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          "text": "https://www.suse.com/security/cve/CVE-2023-31248"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; `nft_chain_lookup_byid()` failed to check whether a chain was active and CAP_NET_ADMIN is in any user or network namespace",
          "title": "CVE description"
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      ],
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        {
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          "summary": "SUSE Bug 1213064 for CVE-2023-31248",
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      ],
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          "product_ids": [
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            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.x86_64"
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        }
      ],
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      "title": "CVE-2023-31248"
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    {
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      "ids": [
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          "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"
        }
      ],
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          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.x86_64"
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      },
      "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"
        },
        {
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          "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"
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      ],
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          "product_ids": [
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            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.x86_64"
          ]
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            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
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            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.x86_64"
          ]
        }
      ],
      "threats": [
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          "category": "impact",
          "date": "2023-09-30T13:04:13Z",
          "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": {
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          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.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 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.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 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2023-09-30T13:04:13Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-3776"
    },
    {
      "cve": "CVE-2023-4273",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-4273"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in the exFAT driver of the Linux kernel. The vulnerability exists in the implementation of the file name reconstruction function, which is responsible for reading file name entries from a directory index and merging file name parts belonging to one file into a single long file name. Since the file name characters are copied into a stack variable, a local privileged attacker could use this flaw to overflow the kernel stack.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-4273",
          "url": "https://www.suse.com/security/cve/CVE-2023-4273"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1214120 for CVE-2023-4273",
          "url": "https://bugzilla.suse.com/1214120"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1214123 for CVE-2023-4273",
          "url": "https://bugzilla.suse.com/1214123"
        }
      ],
      "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 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.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 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_66-default-4-150400.2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2023-09-30T13:04:13Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-4273"
    }
  ]
}


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