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CVE-2026-89651 ceph: bound MDSCapAuth path and fs_name decode in handle_session()

🗓️ 11 Sep 2026 19:45:41Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 34 Views

OOB read in Linux kernel Ceph MDS handle_session() during MDSCapAuth decode crashes client.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-89651
13 Sep 202610:20
–circl
cve
CVE
CVE-2026-89651
11 Sep 202619:45
–cve
debian
Debian
[SECURITY] [DSA 6528-1] linux security update
29 Sep 202609:49
–debian
debiancve
Debian CVE
CVE-2026-89651
11 Sep 202619:45
–debiancve
nessus
Tenable Nessus
Debian dsa-6528 : ata-modules-6.12.111+deb13-armmp-di - security update
29 Sep 202600:00
–nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-89651
12 Sep 202600:00
–nessus
euvd
EUVD
EUVD-2026-76563
11 Sep 202619:45
–euvd
nvd
NVD
CVE-2026-89651
11 Sep 202620:19
–nvd
osv
OSV
BELL-CVE-2026-89651
15 Sep 202606:05
–osv
osv
OSV
DEBIAN-CVE-2026-89651
11 Sep 202620:19
–osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ceph/mds_client.c"
    ],
    "versions": [
      {
        "version": "1d17de9534cb5a4c4c380d174cc2f9281b34f89e",
        "lessThan": "dc5c7dffda92ef372fa587c444a1c537373df824",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1d17de9534cb5a4c4c380d174cc2f9281b34f89e",
        "lessThan": "c37db86d2b5e9b57001ccae7e7a727e95a4f9c02",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1d17de9534cb5a4c4c380d174cc2f9281b34f89e",
        "lessThan": "5f892c767b30e4fb0c744c59f9235c717383d2cd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1d17de9534cb5a4c4c380d174cc2f9281b34f89e",
        "lessThan": "77933e22adfe813be2bd10be08d6e950103c3967",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ceph/mds_client.c"
    ],
    "versions": [
      {
        "version": "6.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.10",
        "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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