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CVE-2026-89656 libceph: reject buckets with mismatched CRUSH ids

🗓️ 11 Sep 2026 19:45:45Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 18 Views

libceph malformed CRUSH map causes slab OOB write via bucket workspace aliasing in Linux kernel.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89656
11 Sep 202619:45
cve
debiancve
Debian CVE
CVE-2026-89656
11 Sep 202619:45
debiancve
euvd
EUVD
EUVD-2026-76568
11 Sep 202619:45
euvd
nvd
NVD
CVE-2026-89656
11 Sep 202620:19
nvd
osv
OSV
AZL-100506 CVE-2026-89656 affecting package kernel 6.6.150.1-1
11 Sep 202620:19
osv
osv
OSV
DEBIAN-CVE-2026-89656
11 Sep 202620:19
osv
ptsecurity
Positive Technologies
PT-2026-90372
11 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-89656
11 Sep 202622:55
redhatcve
[
  {
    "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": "66a0e2d579dbec5c676cfe446234ffebb267c564",
        "lessThan": "3516a4131c4e45d62ee4e42e82c36930e8c1fbbd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "66a0e2d579dbec5c676cfe446234ffebb267c564",
        "lessThan": "00562ccd4e88d092b9b851df50fad20442bfeb24",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "66a0e2d579dbec5c676cfe446234ffebb267c564",
        "lessThan": "79900d978158b2d80eef952fc41b9e4dc58d7b83",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "66a0e2d579dbec5c676cfe446234ffebb267c564",
        "lessThan": "3cde4a8302301679937474a5f7a851394cc1bd11",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "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": "4.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.11",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.109",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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