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CVE-2026-89655

🗓️ 11 Sep 2026 19:45:44Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

UAF in Ceph kernel module __kick_flushing_caps() due to cf entry freed during unlock.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-89655 ceph: fix UAF in __kick_flushing_caps() on cf entry freed during unlock
11 Sep 202619:45
cvelist
euvd
EUVD
EUVD-2026-76567
11 Sep 202619:45
euvd
nvd
NVD
CVE-2026-89655
11 Sep 202620:19
nvd
ptsecurity
Positive Technologies
PT-2026-90371
11 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-89655
11 Sep 202621:29
redhatcve
Vulners
CNA
Node
OR
OR
linuxlinux_kernelRange06.12.109
linuxlinux_kernelRange06.18.50
linuxlinux_kernelRange07.2.4
OR
linuxlinux_kernelRange6.12.06.12.109
linuxlinux_kernelRange6.13.06.18.50
linuxlinux_kernelRange6.19.07.2.4
linuxlinux_kernelRange7.3.07.3-rc1
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ceph/caps.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "2701431aa3cc8b23efe6890182e7b04f5e76fab5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "fe46746087b5b9c5bb2d022df6c7819218494ced",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "2dba24dcd5050be4b7b119e6f0b01f62203b5d26",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "7af4c4f01305b0935adf6d4301b1ec407025485d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0",
        "lessThan": "6.12.109",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.18.50",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "7.2.4",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ceph/caps.c"
    ],
    "versions": [
      {
        "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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