CVE-2026-52957 libceph: Fix potential null-ptr-deref in decode_choose_args()

🗓️ 24 Jun 2026 16:28:39Reported by LinuxType

Libceph fix for potential null pointer dereference in decode_choose_args when decoding possibly NULL buckets.

Reporter	Title	Published	Views	Family All 10
ATTACKERKB	CVE-2026-52957	24 Jun 202616:28	–	attackerkb
CVE	CVE-2026-52957	24 Jun 202616:28	–	cve
Debian CVE	CVE-2026-52957	24 Jun 202616:28	–	debiancve
EUVD	EUVD-2026-38825	24 Jun 202618:32	–	euvd
NVD	CVE-2026-52957	24 Jun 202617:17	–	nvd
OSV	DEBIAN-CVE-2026-52957	24 Jun 202617:17	–	osv
OSV	ECHO-24DB-127B-DF46	25 Jun 202609:55	–	osv
OSV	UBUNTU-CVE-2026-52957	25 Jun 202600:00	–	osv
Positive Technologies	PT-2026-51851	24 Jun 202600:00	–	ptsecurity
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-52957	25 Jun 202600:00	–	nessus

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ceph/osdmap.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "d55ffad8d422b5d1cc44dad32bd3d25f4471cd9f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "301286c0ccd37d66b0e40786fd35a4f19cdbd88a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "7169f326a23d0f547fcd90e68b72fd387622e126",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "d7a65a34d2453f8cd3e0cc0e1319740af7e24276",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "312ec973efac0efb9b9ed64214235910e9ecbaa8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "f2f95e6d4b97e70bb876139b0583fc8079983f85",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "a20e16ebfe2fa65348eb4b2dc7deac330ce03e9c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "28b0a2ab8c82d0bbdeb8013029c67c978ce6e4bf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0",
        "lessThan": "5.10.258",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "5.15.209",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.1.175",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.6.141",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.12.91",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.18.33",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "7.0.10",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ceph/osdmap.c"
    ],
    "versions": [
      {
        "version": "5.10.258",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.141",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.91",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.33",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.10",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/301286c0ccd37d66b0e40786fd35a4f19cdbd88a
git	www.git.kernel.org/stable/c/d7a65a34d2453f8cd3e0cc0e1319740af7e24276
git	www.git.kernel.org/stable/c/28b0a2ab8c82d0bbdeb8013029c67c978ce6e4bf
git	www.git.kernel.org/stable/c/d55ffad8d422b5d1cc44dad32bd3d25f4471cd9f
git	www.git.kernel.org/stable/c/f2f95e6d4b97e70bb876139b0583fc8079983f85
git	www.git.kernel.org/stable/c/7169f326a23d0f547fcd90e68b72fd387622e126
git	www.git.kernel.org/stable/c/a20e16ebfe2fa65348eb4b2dc7deac330ce03e9c
git	www.git.kernel.org/stable/c/312ec973efac0efb9b9ed64214235910e9ecbaa8

24 Jun 2026 16:28Current