suse-su-2023:2660-1
Vulnerability from csaf_suse
Published
2023-06-27 17:34
Modified
2023-06-27 17:34
Summary
Security update for the Linux Kernel (Live Patch 28 for SLE 12 SP4)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 28 for SLE 12 SP4)
Description of the patch
This update for the Linux Kernel 4.12.14-95_102 fixes several issues. The following security issues were fixed: - CVE-2023-23455: Fixed a denial of service inside atm_tc_enqueue in net/sched/sch_atm.c because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results) (bsc#1207189). - CVE-2023-31436: Fixed an out-of-bounds write in qfq_change_class() because lmax can exceed QFQ_MIN_LMAX (bsc#1210989). - CVE-2023-1390: Fixed remote DoS vulnerability in tipc_link_xmit() (bsc#1210779).
Patchnames
SUSE-2023-2660,SUSE-SLE-Live-Patching-12-SP4-2023-2660
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 4.12.14-95_102 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2023-23455: Fixed a denial of service inside atm_tc_enqueue in net/sched/sch_atm.c because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results) (bsc#1207189).\n- CVE-2023-31436: Fixed an out-of-bounds write in qfq_change_class() because lmax can exceed QFQ_MIN_LMAX (bsc#1210989).\n- CVE-2023-1390: Fixed remote DoS vulnerability in tipc_link_xmit() (bsc#1210779).\n",
        "title": "Description of the patch"
      },
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        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
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        "title": "Terms of use"
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    "publisher": {
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      },
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        "url": "https://www.suse.com/security/cve/CVE-2023-1390/"
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    ],
    "title": "Security update for the Linux Kernel (Live Patch 28 for SLE 12 SP4)",
    "tracking": {
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      "revision_history": [
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  "product_tree": {
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                "name": "kgraft-patch-4_12_14-95_102-default-11-2.3.ppc64le",
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        },
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        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 12 SP4"
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  "vulnerabilities": [
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      "cve": "CVE-2023-1390",
      "ids": [
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          "text": "https://www.suse.com/security/cve/CVE-2023-1390"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A remote denial of service vulnerability was found in the Linux kernel\u0027s TIPC kernel module. The while loop in tipc_link_xmit() hits an unknown state while attempting to parse SKBs, which are not in the queue. Sending two small UDP packets to a system with a UDP bearer results in the CPU utilization for the system to instantly spike to 100%, causing a denial of service condition.",
          "title": "CVE description"
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          "SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_102-default-11-2.3.s390x",
          "SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_102-default-11-2.3.x86_64"
        ]
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          "summary": "SUSE Bug 1209289 for CVE-2023-1390",
          "url": "https://bugzilla.suse.com/1209289"
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          "summary": "SUSE Bug 1210779 for CVE-2023-1390",
          "url": "https://bugzilla.suse.com/1210779"
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          "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 12 SP4:kgraft-patch-4_12_14-95_102-default-11-2.3.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_102-default-11-2.3.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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            "SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_102-default-11-2.3.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_102-default-11-2.3.x86_64"
          ]
        }
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          "date": "2023-06-27T17:34:13Z",
          "details": "important"
        }
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      "title": "CVE-2023-1390"
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          "text": "https://www.suse.com/security/cve/CVE-2023-23455"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "atm_tc_enqueue in net/sched/sch_atm.c in the Linux kernel through 6.1.4 allows attackers to cause a denial of service because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results).",
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      ],
      "scores": [
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          "text": "https://www.suse.com/security/cve/CVE-2023-31436"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write because lmax can exceed QFQ_MIN_LMAX.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_102-default-11-2.3.x86_64"
        ]
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          "url": "https://bugzilla.suse.com/1211260"
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          "summary": "SUSE Bug 1213841 for CVE-2023-31436",
          "url": "https://bugzilla.suse.com/1213841"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1213842 for CVE-2023-31436",
          "url": "https://bugzilla.suse.com/1213842"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1214128 for CVE-2023-31436",
          "url": "https://bugzilla.suse.com/1214128"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1223091 for CVE-2023-31436",
          "url": "https://bugzilla.suse.com/1223091"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1224419 for CVE-2023-31436",
          "url": "https://bugzilla.suse.com/1224419"
        }
      ],
      "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 12 SP4:kgraft-patch-4_12_14-95_102-default-11-2.3.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_102-default-11-2.3.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_102-default-11-2.3.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"
          },
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            "SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_102-default-11-2.3.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_102-default-11-2.3.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2023-06-27T17:34:13Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-31436"
    }
  ]
}


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