SUSE-SU-2026:1045-1

Vulnerability from csaf_suse - Published: 2026-03-25 18:04 - Updated: 2026-03-25 18:04
Summary
Security update for the Linux Kernel (Live Patch 77 for SUSE Linux Enterprise 12 SP5)
Severity
Important
Notes
Title of the patch: Security update for the Linux Kernel (Live Patch 77 for SUSE Linux Enterprise 12 SP5)
Description of the patch: This update for the SUSE Linux Enterprise Kernel 4.12.14-122.293 fixes various security issues The following security issues were fixed: - CVE-2025-21738: ata: libata-sff: ensure that we cannot write outside the allocated buffer (bsc#1257118). - CVE-2025-68285: libceph: fix potential use-after-free in have_mon_and_osd_map() (bsc#1255402).
Patchnames: SUSE-2026-1045,SUSE-SLE-Live-Patching-12-SP5-2026-1045
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-2025-21738
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vendor Fix To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
CVE-2025-68285
7 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Vendor Fix To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
References
To clipboard 

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        "text": "\nThis update for the SUSE Linux Enterprise Kernel 4.12.14-122.293 fixes various security issues\n\nThe following security issues were fixed:\n\n- CVE-2025-21738: ata: libata-sff: ensure that we cannot write outside the allocated buffer (bsc#1257118).\n- CVE-2025-68285: libceph: fix potential use-after-free in have_mon_and_osd_map() (bsc#1255402).\n",
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        "full_product_name": {
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          "product_id": "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_293-default-2-2.1.ppc64le"
        },
        "product_reference": "kgraft-patch-4_12_14-122_293-default-2-2.1.ppc64le",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 12 SP5"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
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  "vulnerabilities": [
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      "cve": "CVE-2025-21738",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-21738"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nata: libata-sff: Ensure that we cannot write outside the allocated buffer\n\nreveliofuzzing reported that a SCSI_IOCTL_SEND_COMMAND ioctl with out_len\nset to 0xd42, SCSI command set to ATA_16 PASS-THROUGH, ATA command set to\nATA_NOP, and protocol set to ATA_PROT_PIO, can cause ata_pio_sector() to\nwrite outside the allocated buffer, overwriting random memory.\n\nWhile a ATA device is supposed to abort a ATA_NOP command, there does seem\nto be a bug either in libata-sff or QEMU, where either this status is not\nset, or the status is cleared before read by ata_sff_hsm_move().\nAnyway, that is most likely a separate bug.\n\nLooking at __atapi_pio_bytes(), it already has a safety check to ensure\nthat __atapi_pio_bytes() cannot write outside the allocated buffer.\n\nAdd a similar check to ata_pio_sector(), such that also ata_pio_sector()\ncannot write outside the allocated buffer.",
          "title": "CVE description"
        }
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          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_293-default-2-2.1.x86_64"
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          "summary": "CVE-2025-21738",
          "url": "https://www.suse.com/security/cve/CVE-2025-21738"
        },
        {
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          "summary": "SUSE Bug 1238917 for CVE-2025-21738",
          "url": "https://bugzilla.suse.com/1238917"
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          "summary": "SUSE Bug 1257118 for CVE-2025-21738",
          "url": "https://bugzilla.suse.com/1257118"
        }
      ],
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          "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_293-default-2-2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_293-default-2-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_293-default-2-2.1.x86_64"
          ]
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      ],
      "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_293-default-2-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_293-default-2-2.1.x86_64"
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          "date": "2026-03-25T18:04:47Z",
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      "title": "CVE-2025-21738"
    },
    {
      "cve": "CVE-2025-68285",
      "ids": [
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          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-68285"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: fix potential use-after-free in have_mon_and_osd_map()\n\nThe wait loop in __ceph_open_session() can race with the client\nreceiving a new monmap or osdmap shortly after the initial map is\nreceived.  Both ceph_monc_handle_map() and handle_one_map() install\na new map immediately after freeing the old one\n\n    kfree(monc-\u003emonmap);\n    monc-\u003emonmap = monmap;\n\n    ceph_osdmap_destroy(osdc-\u003eosdmap);\n    osdc-\u003eosdmap = newmap;\n\nunder client-\u003emonc.mutex and client-\u003eosdc.lock respectively, but\nbecause neither is taken in have_mon_and_osd_map() it\u0027s possible for\nclient-\u003emonc.monmap-\u003eepoch and client-\u003eosdc.osdmap-\u003eepoch arms in\n\n    client-\u003emonc.monmap \u0026\u0026 client-\u003emonc.monmap-\u003eepoch \u0026\u0026\n        client-\u003eosdc.osdmap \u0026\u0026 client-\u003eosdc.osdmap-\u003eepoch;\n\ncondition to dereference an already freed map.  This happens to be\nreproducible with generic/395 and generic/397 with KASAN enabled:\n\n    BUG: KASAN: slab-use-after-free in have_mon_and_osd_map+0x56/0x70\n    Read of size 4 at addr ffff88811012d810 by task mount.ceph/13305\n    CPU: 2 UID: 0 PID: 13305 Comm: mount.ceph Not tainted 6.14.0-rc2-build2+ #1266\n    ...\n    Call Trace:\n    \u003cTASK\u003e\n    have_mon_and_osd_map+0x56/0x70\n    ceph_open_session+0x182/0x290\n    ceph_get_tree+0x333/0x680\n    vfs_get_tree+0x49/0x180\n    do_new_mount+0x1a3/0x2d0\n    path_mount+0x6dd/0x730\n    do_mount+0x99/0xe0\n    __do_sys_mount+0x141/0x180\n    do_syscall_64+0x9f/0x100\n    entry_SYSCALL_64_after_hwframe+0x76/0x7e\n    \u003c/TASK\u003e\n\n    Allocated by task 13305:\n    ceph_osdmap_alloc+0x16/0x130\n    ceph_osdc_init+0x27a/0x4c0\n    ceph_create_client+0x153/0x190\n    create_fs_client+0x50/0x2a0\n    ceph_get_tree+0xff/0x680\n    vfs_get_tree+0x49/0x180\n    do_new_mount+0x1a3/0x2d0\n    path_mount+0x6dd/0x730\n    do_mount+0x99/0xe0\n    __do_sys_mount+0x141/0x180\n    do_syscall_64+0x9f/0x100\n    entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\n    Freed by task 9475:\n    kfree+0x212/0x290\n    handle_one_map+0x23c/0x3b0\n    ceph_osdc_handle_map+0x3c9/0x590\n    mon_dispatch+0x655/0x6f0\n    ceph_con_process_message+0xc3/0xe0\n    ceph_con_v1_try_read+0x614/0x760\n    ceph_con_workfn+0x2de/0x650\n    process_one_work+0x486/0x7c0\n    process_scheduled_works+0x73/0x90\n    worker_thread+0x1c8/0x2a0\n    kthread+0x2ec/0x300\n    ret_from_fork+0x24/0x40\n    ret_from_fork_asm+0x1a/0x30\n\nRewrite the wait loop to check the above condition directly with\nclient-\u003emonc.mutex and client-\u003eosdc.lock taken as appropriate.  While\nat it, improve the timeout handling (previously mount_timeout could be\nexceeded in case wait_event_interruptible_timeout() slept more than\nonce) and access client-\u003eauth_err under client-\u003emonc.mutex to match\nhow it\u0027s set in finish_auth().\n\nmonmap_show() and osdmap_show() now take the respective lock before\naccessing the map as well.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
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          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_293-default-2-2.1.s390x",
          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_293-default-2-2.1.x86_64"
        ]
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      "references": [
        {
          "category": "external",
          "summary": "CVE-2025-68285",
          "url": "https://www.suse.com/security/cve/CVE-2025-68285"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1255401 for CVE-2025-68285",
          "url": "https://bugzilla.suse.com/1255401"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1255402 for CVE-2025-68285",
          "url": "https://bugzilla.suse.com/1255402"
        }
      ],
      "remediations": [
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          "product_ids": [
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_293-default-2-2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_293-default-2-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_293-default-2-2.1.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": [
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            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_293-default-2-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_293-default-2-2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-03-25T18:04:47Z",
          "details": "important"
        }
      ],
      "title": "CVE-2025-68285"
    }
  ]
}


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Sightings

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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.