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CVE-2026-93800

🗓️ 24 Sep 2026 16:02:34Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

Linux kernel btrfs use-after-free or double free during unmount via insert_dirty_subvol().

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-93800 btrfs: fix use-after-free on reloc root after error in insert_dirty_subvol()
24 Sep 202616:02
–cvelist
debiancve
Debian CVE
CVE-2026-93800
24 Sep 202616:02
–debiancve
euvd
EUVD
EUVD-2026-86187
24 Sep 202616:02
–euvd
nvd
NVD
CVE-2026-93800
24 Sep 202617:17
–nvd
osv
OSV
AZL-103991 CVE-2026-93800 affecting package kernel 6.6.157.1-1
24 Sep 202617:17
–osv
osv
OSV
DEBIAN-CVE-2026-93800
24 Sep 202617:17
–osv
osv
OSV
UBUNTU-CVE-2026-93800
24 Sep 202600:00
–osv
ubuntucve
UbuntuCve
CVE-2026-93800
24 Sep 202600:00
–ubuntucve
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-93800
24 Sep 202600:00
–nessus
Vulners
CNA
Node
OR
OR
linuxlinux_kernelRange5.10.36–5.11
linuxlinux_kernelRange5.11.20–5.12
linuxlinux_kernelRange5.12.3–5.13
OR
linuxlinux_kernelRange5.13–6.12.111
linuxlinux_kernelRange6.13.0–6.18.53
linuxlinux_kernelRange6.19.0–7.2
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/btrfs/relocation.c"
    ],
    "versions": [
      {
        "version": "592fbcd50c99b8adf999a2a54f9245caff333139",
        "lessThan": "97a540d72ebcb21853d11f2a56782fe377f358e7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "592fbcd50c99b8adf999a2a54f9245caff333139",
        "lessThan": "fda1b6636ff1846f00643e791099db5564b547d9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "592fbcd50c99b8adf999a2a54f9245caff333139",
        "lessThan": "83201804efa4a5168be754e1dfc9b2faee760cac",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f32b84d7c977e1906a4781b93b3c93090b6cd675",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "aa18bc1ff8a51f082d5b3b6d07693797637b4028",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4cb0aea2e250eee35ccfac5f5395cd8f3238a9e5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.10.36",
        "lessThan": "5.11",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.11.20",
        "lessThan": "5.12",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.12.3",
        "lessThan": "5.13",
        "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/btrfs/relocation.c"
    ],
    "versions": [
      {
        "version": "5.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.111",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.53",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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25 Sep 2026 13:17Current
6.7Medium risk
Vulners AI Score6.7
EPSS0.00166
8