suse-su-2023:3806-1
Vulnerability from csaf_suse
Published
2023-09-27 13:35
Modified
2023-09-27 13:35
Summary
Security update for the Linux Kernel RT (Live Patch 3 for SLE 15 SP5)

Notes

Title of the patch
Security update for the Linux Kernel RT (Live Patch 3 for SLE 15 SP5)
Description of the patch
This update for the Linux Kernel 5.14.21-150500_13_11 fixes one issue. The following security issue was fixed: - 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).
Patchnames
SUSE-2023-3806,SUSE-2023-3807,SUSE-SLE-Module-Live-Patching-15-SP4-2023-3806,SUSE-SLE-Module-Live-Patching-15-SP5-2023-3807
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 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Security update for the Linux Kernel RT (Live Patch 3 for SLE 15 SP5)",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for the Linux Kernel 5.14.21-150500_13_11 fixes one issue.\n\nThe following security issue was fixed:\n\n- 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).\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-2023-3806,SUSE-2023-3807,SUSE-SLE-Module-Live-Patching-15-SP4-2023-3806,SUSE-SLE-Module-Live-Patching-15-SP5-2023-3807",
        "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": {
      "category": "vendor",
      "contact_details": "https://www.suse.com/support/security/contact/",
      "name": "SUSE Product Security Team",
      "namespace": "https://www.suse.com/"
    },
    "references": [
      {
        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
      {
        "category": "self",
        "summary": "URL of this CSAF notice",
        "url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2023_3806-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2023:3806-1",
        "url": "https://www.suse.com/support/update/announcement/2023/suse-su-20233806-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2023:3806-1",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016344.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1214123",
        "url": "https://bugzilla.suse.com/1214123"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2023-4273 page",
        "url": "https://www.suse.com/security/cve/CVE-2023-4273/"
      }
    ],
    "title": "Security update for the Linux Kernel RT (Live Patch 3 for SLE 15 SP5)",
    "tracking": {
      "current_release_date": "2023-09-27T13:35:26Z",
      "generator": {
        "date": "2023-09-27T13:35:26Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "SUSE-SU-2023:3806-1",
      "initial_release_date": "2023-09-27T13:35:26Z",
      "revision_history": [
        {
          "date": "2023-09-27T13:35:26Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "kernel-livepatch-5_14_21-150400_15_46-rt-2-150400.2.1.x86_64",
                "product": {
                  "name": "kernel-livepatch-5_14_21-150400_15_46-rt-2-150400.2.1.x86_64",
                  "product_id": "kernel-livepatch-5_14_21-150400_15_46-rt-2-150400.2.1.x86_64"
                }
              },
              {
                "category": "product_version",
                "name": "kernel-livepatch-5_14_21-150500_13_11-rt-2-150500.2.1.x86_64",
                "product": {
                  "name": "kernel-livepatch-5_14_21-150500_13_11-rt-2-150500.2.1.x86_64",
                  "product_id": "kernel-livepatch-5_14_21-150500_13_11-rt-2-150500.2.1.x86_64"
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "SUSE Linux Enterprise Live Patching 15 SP4",
                "product": {
                  "name": "SUSE Linux Enterprise Live Patching 15 SP4",
                  "product_id": "SUSE Linux Enterprise Live Patching 15 SP4",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sle-module-live-patching:15:sp4"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "SUSE Linux Enterprise Live Patching 15 SP5",
                "product": {
                  "name": "SUSE Linux Enterprise Live Patching 15 SP5",
                  "product_id": "SUSE Linux Enterprise Live Patching 15 SP5",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sle-module-live-patching:15:sp5"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "kernel-livepatch-5_14_21-150400_15_46-rt-2-150400.2.1.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP4",
          "product_id": "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_15_46-rt-2-150400.2.1.x86_64"
        },
        "product_reference": "kernel-livepatch-5_14_21-150400_15_46-rt-2-150400.2.1.x86_64",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP4"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "kernel-livepatch-5_14_21-150500_13_11-rt-2-150500.2.1.x86_64 as component of SUSE Linux Enterprise Live Patching 15 SP5",
          "product_id": "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_11-rt-2-150500.2.1.x86_64"
        },
        "product_reference": "kernel-livepatch-5_14_21-150500_13_11-rt-2-150500.2.1.x86_64",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP5"
      }
    ]
  },
  "vulnerabilities": [
    {
      "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_15_46-rt-2-150400.2.1.x86_64",
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_11-rt-2-150500.2.1.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_15_46-rt-2-150400.2.1.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_11-rt-2-150500.2.1.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_15_46-rt-2-150400.2.1.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_11-rt-2-150500.2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2023-09-27T13:35:26Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-4273"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.