suse-su-2024:0655-1
Vulnerability from csaf_suse
Published
2024-02-28 13:04
Modified
2024-02-28 13:04
Summary
Security update for the Linux Kernel RT (Live Patch 0 for SLE 15 SP5)

Notes

Title of the patch
Security update for the Linux Kernel RT (Live Patch 0 for SLE 15 SP5)
Description of the patch
This update for the Linux Kernel 5.14.21-150500_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-2024-654,SUSE-2024-655,SUSE-SLE-Live-Patching-12-SP5-2024-655,SUSE-SLE-Module-Live-Patching-15-SP5-2024-654
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": "https://www.suse.com/security/cve/CVE-2023-39198"
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      "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.",
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          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_153-default-10-2.1.x86_64",
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          "summary": "CVE-2023-39198",
          "url": "https://www.suse.com/security/cve/CVE-2023-39198"
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        {
          "category": "external",
          "summary": "SUSE Bug 1216965 for CVE-2023-39198",
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        {
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          "summary": "SUSE Bug 1217116 for CVE-2023-39198",
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          "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.",
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        {
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          "summary": "SUSE Bug 1220906 for CVE-2023-4921",
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        },
        {
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          "summary": "SUSE Bug 1223091 for CVE-2023-4921",
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        {
          "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"
        }
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          "url": "https://bugzilla.suse.com/1221598"
        },
        {
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          "summary": "SUSE Bug 1224298 for CVE-2023-51780",
          "url": "https://bugzilla.suse.com/1224298"
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          "category": "external",
          "summary": "SUSE Bug 1224878 for CVE-2023-51780",
          "url": "https://bugzilla.suse.com/1224878"
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            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_153-default-10-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_153-default-10-2.1.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_11-rt-8-150500.3.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2024-02-28T13:04:28Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-51780"
    }
  ]
}


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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.