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CVE-2026-89654

🗓️ 11 Sep 2026 19:45:44Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 37 Views

Use-After-Free in ceph check_new_map() on freed MDS session during mutex unlock.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-89654
13 Sep 202610:40
–circl
cvelist
Cvelist
CVE-2026-89654 ceph: fix UAF in check_new_map() on session freed during unlock
11 Sep 202619:45
–cvelist
debiancve
Debian CVE
CVE-2026-89654
11 Sep 202619:45
–debiancve
euvd
EUVD
EUVD-2026-76566
11 Sep 202619:45
–euvd
nvd
NVD
CVE-2026-89654
11 Sep 202620:19
–nvd
osv
OSV
AZL-100770 CVE-2026-89654 affecting package kernel 6.6.157.1-1
11 Sep 202620:19
–osv
osv
OSV
BELL-CVE-2026-89654
15 Sep 202606:05
–osv
osv
OSV
DEBIAN-CVE-2026-89654
11 Sep 202620:19
–osv
osv
OSV
OPENSUSE-SU-2026:11880-1 kernel-devel-7.2.7-1.1 on GA media
24 Sep 202600:00
–osv
osv
OSV
UBUNTU-CVE-2026-89654
11 Sep 202620:19
–osv
Rows per page
Vulners
CNA
Node
OR
linuxlinux_kernelRange2.6.34–7.2.4
linuxlinux_kernelRange7.3.0–7.3-rc1
[
  {
    "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": "2f2dc053404febedc9c273452d9d518fb31fde72",
        "lessThan": "21d5be092d947f8d83f76f7ebf3989e7e9230a98",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2f2dc053404febedc9c273452d9d518fb31fde72",
        "lessThan": "ee611a7509554c4ca1f54f6aefe592fb1df7ea70",
        "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": "2.6.34",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.34",
        "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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13 Sep 2026 07:17Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.19.8
EPSS0.00553
37