SUSE-SU-2026:0352-1

Vulnerability from csaf_suse - Published: 2026-01-30 14:05 - Updated: 2026-01-30 14:05
Summary
Security update for the Linux Kernel

Notes

Title of the patch
Security update for the Linux Kernel
Description of the patch
The SUSE Linux Enterprise 11 SP4 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2023-54168: RDMA/mlx4: Prevent shift wrapping in set_user_sq_size() (bsc#1256053). - CVE-2025-40018: ipvs: Defer ip_vs_ftp unregister during netns cleanup (bsc#1253291 bsc#1253292). - CVE-2025-40215: kABI: xfrm: delete x->tunnel as we delete x (bsc#1254959).
Patchnames
SUSE-2026-352,SUSE-SLE-SERVER-11-SP4-LTSS-EXTREME-CORE-2026-352
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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          "url": "https://bugzilla.suse.com/1207051"
        }
      ],
      "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",
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      "scores": [
        {
          "cvss_v3": {
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            "baseSeverity": "MEDIUM",
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            "version": "3.1"
          },
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          "category": "impact",
          "date": "2026-01-30T14:05:23Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2023-23559"
    },
    {
      "cve": "CVE-2023-54110",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-54110"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: rndis_host: Secure rndis_query check against int overflow\n\nVariables off and len typed as uint32 in rndis_query function\nare controlled by incoming RNDIS response message thus their\nvalue may be manipulated. Setting off to a unexpectetly large\nvalue will cause the sum with len and 8 to overflow and pass\nthe implemented validation step. Consequently the response\npointer will be referring to a location past the expected\nbuffer boundaries allowing information leakage e.g. via\nRNDIS_OID_802_3_PERMANENT_ADDRESS OID.",
          "title": "CVE description"
        }
      ],
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          "category": "external",
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        },
        {
          "category": "external",
          "summary": "SUSE Bug 1256353 for CVE-2023-54110",
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        }
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          "details": "moderate"
        }
      ],
      "title": "CVE-2023-54110"
    },
    {
      "cve": "CVE-2023-54168",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-54168"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/mlx4: Prevent shift wrapping in set_user_sq_size()\n\nThe ucmd-\u003elog_sq_bb_count variable is controlled by the user so this\nshift can wrap.  Fix it by using check_shl_overflow() in the same way\nthat it was done in commit 515f60004ed9 (\"RDMA/hns: Prevent undefined\nbehavior in hns_roce_set_user_sq_size()\").",
          "title": "CVE description"
        }
      ],
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        },
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          "summary": "SUSE Bug 1256053 for CVE-2023-54168",
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        },
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          "category": "external",
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        }
      ],
      "remediations": [
        {
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          "cvss_v3": {
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
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      "title": "CVE-2023-54168"
    },
    {
      "cve": "CVE-2025-40018",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-40018"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nipvs: Defer ip_vs_ftp unregister during netns cleanup\n\nOn the netns cleanup path, __ip_vs_ftp_exit() may unregister ip_vs_ftp\nbefore connections with valid cp-\u003eapp pointers are flushed, leading to a\nuse-after-free.\n\nFix this by introducing a global `exiting_module` flag, set to true in\nip_vs_ftp_exit() before unregistering the pernet subsystem. In\n__ip_vs_ftp_exit(), skip ip_vs_ftp unregister if called during netns\ncleanup (when exiting_module is false) and defer it to\n__ip_vs_cleanup_batch(), which unregisters all apps after all connections\nare flushed. If called during module exit, unregister ip_vs_ftp\nimmediately.",
          "title": "CVE description"
        }
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        {
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          "summary": "CVE-2025-40018",
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        },
        {
          "category": "external",
          "summary": "SUSE Bug 1247374 for CVE-2025-40018",
          "url": "https://bugzilla.suse.com/1247374"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1252688 for CVE-2025-40018",
          "url": "https://bugzilla.suse.com/1252688"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1252689 for CVE-2025-40018",
          "url": "https://bugzilla.suse.com/1252689"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1253291 for CVE-2025-40018",
          "url": "https://bugzilla.suse.com/1253291"
        }
      ],
      "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 Server 11 SP4 LTSS EXTREME CORE:kernel-default-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-default-base-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-default-devel-3.0.101-108.198.1.x86_64",
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          ]
        }
      ],
      "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"
          },
          "products": [
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-default-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-default-base-3.0.101-108.198.1.x86_64",
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            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-trace-3.0.101-108.198.1.x86_64",
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            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-xen-base-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-xen-devel-3.0.101-108.198.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-01-30T14:05:23Z",
          "details": "important"
        }
      ],
      "title": "CVE-2025-40018"
    },
    {
      "cve": "CVE-2025-40215",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-40215"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm: delete x-\u003etunnel as we delete x\n\nThe ipcomp fallback tunnels currently get deleted (from the various\nlists and hashtables) as the last user state that needed that fallback\nis destroyed (not deleted). If a reference to that user state still\nexists, the fallback state will remain on the hashtables/lists,\ntriggering the WARN in xfrm_state_fini. Because of those remaining\nreferences, the fix in commit f75a2804da39 (\"xfrm: destroy xfrm_state\nsynchronously on net exit path\") is not complete.\n\nWe recently fixed one such situation in TCP due to defered freeing of\nskbs (commit 9b6412e6979f (\"tcp: drop secpath at the same time as we\ncurrently drop dst\")). This can also happen due to IP reassembly: skbs\nwith a secpath remain on the reassembly queue until netns\ndestruction. If we can\u0027t guarantee that the queues are flushed by the\ntime xfrm_state_fini runs, there may still be references to a (user)\nxfrm_state, preventing the timely deletion of the corresponding\nfallback state.\n\nInstead of chasing each instance of skbs holding a secpath one by one,\nthis patch fixes the issue directly within xfrm, by deleting the\nfallback state as soon as the last user state depending on it has been\ndeleted. Destruction will still happen when the final reference is\ndropped.\n\nA separate lockdep class for the fallback state is required since\nwe\u0027re going to lock x-\u003etunnel while x is locked.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
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          "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-trace-3.0.101-108.198.1.x86_64",
          "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-trace-base-3.0.101-108.198.1.x86_64",
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          "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-xen-base-3.0.101-108.198.1.x86_64",
          "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-xen-devel-3.0.101-108.198.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2025-40215",
          "url": "https://www.suse.com/security/cve/CVE-2025-40215"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1254959 for CVE-2025-40215",
          "url": "https://bugzilla.suse.com/1254959"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1255054 for CVE-2025-40215",
          "url": "https://bugzilla.suse.com/1255054"
        }
      ],
      "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 Server 11 SP4 LTSS EXTREME CORE:kernel-default-3.0.101-108.198.1.x86_64",
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            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-default-devel-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-docs-3.0.101-108.198.1.noarch",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-ec2-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-ec2-base-3.0.101-108.198.1.x86_64",
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            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-syms-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-trace-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-trace-base-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-trace-devel-3.0.101-108.198.1.x86_64",
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            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-xen-base-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-xen-devel-3.0.101-108.198.1.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"
          },
          "products": [
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-default-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-default-base-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-default-devel-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-docs-3.0.101-108.198.1.noarch",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-ec2-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-ec2-base-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-ec2-devel-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-source-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-syms-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-trace-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-trace-base-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-trace-devel-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-xen-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-xen-base-3.0.101-108.198.1.x86_64",
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-xen-devel-3.0.101-108.198.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-01-30T14:05:23Z",
          "details": "important"
        }
      ],
      "title": "CVE-2025-40215"
    }
  ]
}


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Tags
Taxonomy of the tags.




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.