SUSE-SU-2024:0622-1

Vulnerability from csaf_suse - Published: 2024-02-26 19:33 - Updated: 2024-02-26 19:33
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 several issues. The following security issues were fixed: - CVE-2023-4921: Fixed a use-after-free vulnerability in the QFQ network scheduler which could be exploited to achieve local privilege escalation (bsc#1215300). - CVE-2023-39198: Fixed a race condition leading to a use-after-free in qxl_mode_dumb_create() (bsc#1217116). - CVE-2023-51780: Fixed a use-after-free in do_vcc_ioctl in net/atm/ioctl.c, because of a vcc_recvmsg race condition (bsc#1218733).
Patchnames
SUSE-2024-622,SUSE-2024-623,SUSE-SLE-Module-Live-Patching-15-SP5-2024-623
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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{
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    "distribution": {
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        "text": "This update for the Linux Kernel 5.14.21-150500_13_11 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2023-4921: Fixed a use-after-free vulnerability in the QFQ network scheduler which could be exploited to achieve local privilege escalation (bsc#1215300).\n- CVE-2023-39198: Fixed a race condition leading to a use-after-free in qxl_mode_dumb_create() (bsc#1217116).\n- CVE-2023-51780: Fixed a use-after-free in do_vcc_ioctl in net/atm/ioctl.c, because of a vcc_recvmsg race condition (bsc#1218733).\n",
        "title": "Description of the patch"
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        "title": "Patchnames"
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        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/018010.html"
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        "summary": "SUSE Bug 1215300",
        "url": "https://bugzilla.suse.com/1215300"
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        "summary": "SUSE Bug 1217116",
        "url": "https://bugzilla.suse.com/1217116"
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      {
        "category": "self",
        "summary": "SUSE Bug 1218733",
        "url": "https://bugzilla.suse.com/1218733"
      },
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        "summary": "SUSE CVE CVE-2023-39198 page",
        "url": "https://www.suse.com/security/cve/CVE-2023-39198/"
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      {
        "category": "self",
        "summary": "SUSE CVE CVE-2023-4921 page",
        "url": "https://www.suse.com/security/cve/CVE-2023-4921/"
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    ],
    "title": "Security update for the Linux Kernel RT (Live Patch 3 for SLE 15 SP5)",
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      "current_release_date": "2024-02-26T19:33:34Z",
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      "id": "SUSE-SU-2024:0622-1",
      "initial_release_date": "2024-02-26T19:33:34Z",
      "revision_history": [
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  "product_tree": {
    "branches": [
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        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "kernel-livepatch-5_14_21-150500_13_5-rt-7-150500.2.1.x86_64",
                "product": {
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        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15 SP5"
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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-39198",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-39198"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A race condition was found in the QXL driver in the Linux kernel. The qxl_mode_dumb_create() function dereferences the qobj returned by the qxl_gem_object_create_with_handle(), but the handle is the only one holding a reference to it. This flaw allows an attacker to guess the returned handle value and trigger a use-after-free issue, potentially leading to a denial of service or privilege escalation.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_11-rt-6-150500.2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-39198",
          "url": "https://www.suse.com/security/cve/CVE-2023-39198"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1216965 for CVE-2023-39198",
          "url": "https://bugzilla.suse.com/1216965"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1217116 for CVE-2023-39198",
          "url": "https://bugzilla.suse.com/1217116"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1219703 for CVE-2023-39198",
          "url": "https://bugzilla.suse.com/1219703"
        }
      ],
      "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 SP5:kernel-livepatch-5_14_21-150500_13_11-rt-6-150500.2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_11-rt-6-150500.2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2024-02-26T19:33:34Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-39198"
    },
    {
      "cve": "CVE-2023-4921",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-4921"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A use-after-free vulnerability in the Linux kernel\u0027s net/sched: sch_qfq component can be exploited to achieve local privilege escalation.\n\nWhen the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue() due to the incorrect .peek handler of sch_plug and lack of error checking in agg_dequeue().\n\nWe recommend upgrading past commit 8fc134fee27f2263988ae38920bc03da416b03d8.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_11-rt-6-150500.2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-4921",
          "url": "https://www.suse.com/security/cve/CVE-2023-4921"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1215275 for CVE-2023-4921",
          "url": "https://bugzilla.suse.com/1215275"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1215300 for CVE-2023-4921",
          "url": "https://bugzilla.suse.com/1215300"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1217444 for CVE-2023-4921",
          "url": "https://bugzilla.suse.com/1217444"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1217531 for CVE-2023-4921",
          "url": "https://bugzilla.suse.com/1217531"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1220906 for CVE-2023-4921",
          "url": "https://bugzilla.suse.com/1220906"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1223091 for CVE-2023-4921",
          "url": "https://bugzilla.suse.com/1223091"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1224418 for CVE-2023-4921",
          "url": "https://bugzilla.suse.com/1224418"
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          ]
        }
      ],
      "scores": [
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            "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"
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          "products": [
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          "date": "2024-02-26T19:33:34Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-4921"
    },
    {
      "cve": "CVE-2023-51780",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-51780"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in the Linux kernel before 6.6.8. do_vcc_ioctl in net/atm/ioctl.c has a use-after-free because of a vcc_recvmsg race condition.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_13_11-rt-6-150500.2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-51780",
          "url": "https://www.suse.com/security/cve/CVE-2023-51780"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1218730 for CVE-2023-51780",
          "url": "https://bugzilla.suse.com/1218730"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1218733 for CVE-2023-51780",
          "url": "https://bugzilla.suse.com/1218733"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1220191 for CVE-2023-51780",
          "url": "https://bugzilla.suse.com/1220191"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1221578 for CVE-2023-51780",
          "url": "https://bugzilla.suse.com/1221578"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1221598 for CVE-2023-51780",
          "url": "https://bugzilla.suse.com/1221598"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1224298 for CVE-2023-51780",
          "url": "https://bugzilla.suse.com/1224298"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1224878 for CVE-2023-51780",
          "url": "https://bugzilla.suse.com/1224878"
        }
      ],
      "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 SP5:kernel-livepatch-5_14_21-150500_13_11-rt-6-150500.2.1.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 SP5:kernel-livepatch-5_14_21-150500_13_11-rt-6-150500.2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2024-02-26T19:33:34Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-51780"
    }
  ]
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.