SUSE-SU-2026:2137-1

Vulnerability from csaf_suse - Published: 2026-05-30 18:34 - Updated: 2026-05-30 18:34
Summary
Security update for the Linux Kernel (Live Patch 68 for SUSE Linux Enterprise 12 SP5)
Severity
Important
Notes
Title of the patch: Security update for the Linux Kernel (Live Patch 68 for SUSE Linux Enterprise 12 SP5)
Description of the patch: This update for the SUSE Linux Enterprise Kernel 4.12.14-122.258 fixes various security issues The following security issues were fixed: - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption (bsc#1264096). - CVE-2026-23243: RDMA/umad: Reject negative data_len in ib_umad_write (bsc#1259798). - CVE-2026-46300: FragNesia attack: another xfrm/esp based local root exploit (bsc#1265224). - CVE-2026-46333: ptrace: slightly saner 'get_dumpable()' logic (bsc#1265384).
Patchnames: SUSE-2026-2137,SUSE-SLE-Live-Patching-12-SP5-2026-2137
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2025-54518
7.4 (High)
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.x86_64 —
Vendor Fix
Threats
Impact important
CVE-2026-23243
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.x86_64 —
Vendor Fix
Threats
Impact important
CVE-2026-46300
8.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.x86_64 —
Vendor Fix
Threats
Impact important
CVE-2026-46333
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.x86_64 —
Vendor Fix
Threats
Impact important
References
To clipboard 

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        "text": "\nThis update for the SUSE Linux Enterprise Kernel 4.12.14-122.258 fixes various security issues\n\nThe following security issues were fixed:\n\n- CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption (bsc#1264096).\n- CVE-2026-23243: RDMA/umad: Reject negative data_len in ib_umad_write (bsc#1259798).\n- CVE-2026-46300: FragNesia attack: another xfrm/esp based local root exploit (bsc#1265224).\n- CVE-2026-46333: ptrace: slightly saner \u0027get_dumpable()\u0027 logic (bsc#1265384).\n",
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  "vulnerabilities": [
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      "ids": [
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          "text": "https://www.suse.com/security/cve/CVE-2025-54518"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially resulting in privilege escalation.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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        {
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          "summary": "SUSE Bug 1264013 for CVE-2025-54518",
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          "product_ids": [
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
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            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-05-30T18:34:14Z",
          "details": "important"
        }
      ],
      "title": "CVE-2025-54518"
    },
    {
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      "ids": [
        {
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          "text": "https://www.suse.com/security/cve/CVE-2026-23243"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/umad: Reject negative data_len in ib_umad_write\n\nib_umad_write computes data_len from user-controlled count and the\nMAD header sizes. With a mismatched user MAD header size and RMPP\nheader length, data_len can become negative and reach ib_create_send_mad().\nThis can make the padding calculation exceed the segment size and trigger\nan out-of-bounds memset in alloc_send_rmpp_list().\n\nAdd an explicit check to reject negative data_len before creating the\nsend buffer.\n\nKASAN splat:\n[  211.363464] BUG: KASAN: slab-out-of-bounds in ib_create_send_mad+0xa01/0x11b0\n[  211.364077] Write of size 220 at addr ffff88800c3fa1f8 by task spray_thread/102\n[  211.365867] ib_create_send_mad+0xa01/0x11b0\n[  211.365887] ib_umad_write+0x853/0x1c80",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.ppc64le",
          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.s390x",
          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-23243",
          "url": "https://www.suse.com/security/cve/CVE-2026-23243"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1259797 for CVE-2026-23243",
          "url": "https://bugzilla.suse.com/1259797"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1259798 for CVE-2026-23243",
          "url": "https://bugzilla.suse.com/1259798"
        }
      ],
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        {
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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": [
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
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            "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": [
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            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-05-30T18:34:14Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-23243"
    },
    {
      "cve": "CVE-2026-46300",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-46300"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: skbuff: preserve shared-frag marker during coalescing\n\nskb_try_coalesce() can attach paged frags from @from to @to.  If @from\nhas SKBFL_SHARED_FRAG set, the resulting @to skb can contain the same\nexternally-owned or page-cache-backed frags, but the shared-frag marker\nis currently lost.\n\nThat breaks the invariant relied on by later in-place writers.  In\nparticular, ESP input checks skb_has_shared_frag() before deciding\nwhether an uncloned nonlinear skb can skip skb_cow_data().  If TCP\nreceive coalescing has moved shared frags into an unmarked skb, ESP can\nsee skb_has_shared_frag() as false and decrypt in place over page-cache\nbacked frags.\n\nPropagate SKBFL_SHARED_FRAG when skb_try_coalesce() transfers paged\nfrags.  The tailroom copy path does not need the marker because it copies\nbytes into @to\u0027s linear data rather than transferring frag descriptors.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
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          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.s390x",
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        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-46300",
          "url": "https://www.suse.com/security/cve/CVE-2026-46300"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1265209 for CVE-2026-46300",
          "url": "https://bugzilla.suse.com/1265209"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1265226 for CVE-2026-46300",
          "url": "https://bugzilla.suse.com/1265226"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1265312 for CVE-2026-46300",
          "url": "https://bugzilla.suse.com/1265312"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1265383 for CVE-2026-46300",
          "url": "https://bugzilla.suse.com/1265383"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1265960 for CVE-2026-46300",
          "url": "https://bugzilla.suse.com/1265960"
        }
      ],
      "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 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-05-30T18:34:14Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-46300"
    },
    {
      "cve": "CVE-2026-46333",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-46333"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nptrace: slightly saner \u0027get_dumpable()\u0027 logic\n\nThe \u0027dumpability\u0027 of a task is fundamentally about the memory image of\nthe task - the concept comes from whether it can core dump or not - and\nmakes no sense when you don\u0027t have an associated mm.\n\nAnd almost all users do in fact use it only for the case where the task\nhas a mm pointer.\n\nBut we have one odd special case: ptrace_may_access() uses \u0027dumpable\u0027 to\ncheck various other things entirely independently of the MM (typically\nexplicitly using flags like PTRACE_MODE_READ_FSCREDS).  Including for\nthreads that no longer have a VM (and maybe never did, like most kernel\nthreads).\n\nIt\u0027s not what this flag was designed for, but it is what it is.\n\nThe ptrace code does check that the uid/gid matches, so you do have to\nbe uid-0 to see kernel thread details, but this means that the\ntraditional \"drop capabilities\" model doesn\u0027t make any difference for\nthis all.\n\nMake it all make a *bit* more sense by saying that if you don\u0027t have a\nMM pointer, we\u0027ll use a cached \"last dumpability\" flag if the thread\never had a MM (it will be zero for kernel threads since it is never\nset), and require a proper CAP_SYS_PTRACE capability to override.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.ppc64le",
          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.s390x",
          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-46333",
          "url": "https://www.suse.com/security/cve/CVE-2026-46333"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1265308 for CVE-2026-46333",
          "url": "https://bugzilla.suse.com/1265308"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1265384 for CVE-2026-46333",
          "url": "https://bugzilla.suse.com/1265384"
        }
      ],
      "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 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.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 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_258-default-17-2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-05-30T18:34:14Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-46333"
    }
  ]
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.