SUSE-SU-2025:01668-1

Vulnerability from csaf_suse - Published: 2025-05-22 19:34 - Updated: 2025-05-22 19:34
Summary
Security update for the Linux Kernel (Live Patch 12 for SLE 15 SP5)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 12 for SLE 15 SP5)
Description of the patch
This update for the Linux Kernel 5.14.21-150500_55_59 fixes several issues. The following security issues were fixed: - CVE-2024-53156: wifi: ath9k: add range check for conn_rsp_epid in htc_connect_service() (bsc#1234847). - CVE-2024-43882: Fixed ToCToU between perm check and set-uid/gid usage (bsc#1229504). - CVE-2024-50115: KVM: nSVM: Ignore nCR3[4:0] when loading PDPTEs from memory (bsc#1233019).
Patchnames
SUSE-2025-1664,SUSE-2025-1666,SUSE-2025-1667,SUSE-2025-1668,SUSE-2025-1673,SUSE-2025-1674,SUSE-SLE-Module-Live-Patching-15-SP3-2025-1668,SUSE-SLE-Module-Live-Patching-15-SP4-2025-1666,SUSE-SLE-Module-Live-Patching-15-SP5-2025-1673
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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        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nexec: Fix ToCToU between perm check and set-uid/gid usage\n\nWhen opening a file for exec via do_filp_open(), permission checking is\ndone against the file\u0027s metadata at that moment, and on success, a file\npointer is passed back. Much later in the execve() code path, the file\nmetadata (specifically mode, uid, and gid) is used to determine if/how\nto set the uid and gid. However, those values may have changed since the\npermissions check, meaning the execution may gain unintended privileges.\n\nFor example, if a file could change permissions from executable and not\nset-id:\n\n---------x 1 root root 16048 Aug  7 13:16 target\n\nto set-id and non-executable:\n\n---S------ 1 root root 16048 Aug  7 13:16 target\n\nit is possible to gain root privileges when execution should have been\ndisallowed.\n\nWhile this race condition is rare in real-world scenarios, it has been\nobserved (and proven exploitable) when package managers are updating\nthe setuid bits of installed programs. Such files start with being\nworld-executable but then are adjusted to be group-exec with a set-uid\nbit. For example, \"chmod o-x,u+s target\" makes \"target\" executable only\nby uid \"root\" and gid \"cdrom\", while also becoming setuid-root:\n\n-rwxr-xr-x 1 root cdrom 16048 Aug  7 13:16 target\n\nbecomes:\n\n-rwsr-xr-- 1 root cdrom 16048 Aug  7 13:16 target\n\nBut racing the chmod means users without group \"cdrom\" membership can\nget the permission to execute \"target\" just before the chmod, and when\nthe chmod finishes, the exec reaches brpm_fill_uid(), and performs the\nsetuid to root, violating the expressed authorization of \"only cdrom\ngroup members can setuid to root\".\n\nRe-check that we still have execute permissions in case the metadata\nhas changed. It would be better to keep a copy from the perm-check time,\nbut until we can do that refactoring, the least-bad option is to do a\nfull inode_permission() call (under inode lock). It is understood that\nthis is safe against dead-locks, but hardly optimal.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.x86_64",
          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.x86_64",
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2024-43882",
          "url": "https://www.suse.com/security/cve/CVE-2024-43882"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1229503 for CVE-2024-43882",
          "url": "https://bugzilla.suse.com/1229503"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1229504 for CVE-2024-43882",
          "url": "https://bugzilla.suse.com/1229504"
        }
      ],
      "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 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.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 Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-05-22T19:34:13Z",
          "details": "important"
        }
      ],
      "title": "CVE-2024-43882"
    },
    {
      "cve": "CVE-2024-50115",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2024-50115"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: nSVM: Ignore nCR3[4:0] when loading PDPTEs from memory\n\nIgnore nCR3[4:0] when loading PDPTEs from memory for nested SVM, as bits\n4:0 of CR3 are ignored when PAE paging is used, and thus VMRUN doesn\u0027t\nenforce 32-byte alignment of nCR3.\n\nIn the absolute worst case scenario, failure to ignore bits 4:0 can result\nin an out-of-bounds read, e.g. if the target page is at the end of a\nmemslot, and the VMM isn\u0027t using guard pages.\n\nPer the APM:\n\n  The CR3 register points to the base address of the page-directory-pointer\n  table. The page-directory-pointer table is aligned on a 32-byte boundary,\n  with the low 5 address bits 4:0 assumed to be 0.\n\nAnd the SDM\u0027s much more explicit:\n\n  4:0    Ignored\n\nNote, KVM gets this right when loading PDPTRs, it\u0027s only the nSVM flow\nthat is broken.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.x86_64",
          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.x86_64",
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2024-50115",
          "url": "https://www.suse.com/security/cve/CVE-2024-50115"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1225742 for CVE-2024-50115",
          "url": "https://bugzilla.suse.com/1225742"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1232919 for CVE-2024-50115",
          "url": "https://bugzilla.suse.com/1232919"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1233019 for CVE-2024-50115",
          "url": "https://bugzilla.suse.com/1233019"
        }
      ],
      "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 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-05-22T19:34:13Z",
          "details": "important"
        }
      ],
      "title": "CVE-2024-50115"
    },
    {
      "cve": "CVE-2024-53156",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2024-53156"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: add range check for conn_rsp_epid in htc_connect_service()\n\nI found the following bug in my fuzzer:\n\n  UBSAN: array-index-out-of-bounds in drivers/net/wireless/ath/ath9k/htc_hst.c:26:51\n  index 255 is out of range for type \u0027htc_endpoint [22]\u0027\n  CPU: 0 UID: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.11.0-rc6-dirty #14\n  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\n  Workqueue: events request_firmware_work_func\n  Call Trace:\n   \u003cTASK\u003e\n   dump_stack_lvl+0x180/0x1b0\n   __ubsan_handle_out_of_bounds+0xd4/0x130\n   htc_issue_send.constprop.0+0x20c/0x230\n   ? _raw_spin_unlock_irqrestore+0x3c/0x70\n   ath9k_wmi_cmd+0x41d/0x610\n   ? mark_held_locks+0x9f/0xe0\n   ...\n\nSince this bug has been confirmed to be caused by insufficient verification\nof conn_rsp_epid, I think it would be appropriate to add a range check for\nconn_rsp_epid to htc_connect_service() to prevent the bug from occurring.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.x86_64",
          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.x86_64",
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2024-53156",
          "url": "https://www.suse.com/security/cve/CVE-2024-53156"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1234846 for CVE-2024-53156",
          "url": "https://bugzilla.suse.com/1234846"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1234847 for CVE-2024-53156",
          "url": "https://bugzilla.suse.com/1234847"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1234853 for CVE-2024-53156",
          "url": "https://bugzilla.suse.com/1234853"
        }
      ],
      "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 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.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 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_158-default-18-150300.2.2.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_125-default-12-150400.2.2.x86_64",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP5:kernel-livepatch-5_14_21-150500_55_59-default-18-150500.2.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-05-22T19:34:13Z",
          "details": "important"
        }
      ],
      "title": "CVE-2024-53156"
    }
  ]
}


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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.