CVE-2026-72188: Linux kernel · ntfs: sanitize MFT references returned from ntfs_lookup_inode_by_name()
Affects Linux kernelSource GCVE Database
Not known to be exploited · CVSS 9.1 Critical.
Data as of 9 Nov 2026, 14:06 UTC
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 15 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 24.04 LTSlinux-aws-6.14pkg:deb/ubuntu/linux-aws-6.14?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSlinux-aws-6.17pkg:deb/ubuntu/linux-aws-6.17?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSlinux-azure-6.11pkg:deb/ubuntu/linux-azure-6.11?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSlinux-azure-6.14pkg:deb/ubuntu/linux-azure-6.14?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSlinux-azure-6.17pkg:deb/ubuntu/linux-azure-6.17?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSlinux-azure-fde-6.14pkg:deb/ubuntu/linux-azure-fde-6.14?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A fix is available that normalizes error-marked MFT references returned from ntfs_lookup_inode_by_name() to a consistent error value. Users should apply the official patches or updates that include this fix. Since this is a kernel-level vulnerability, updating to patched kernel versions is the recommended remediation.
Description
A critical vulnerability in the Linux kernel's NTFS implementation involves improper sanitization of Master File Table (MFT) references returned by the ntfs_lookup_inode_by_name() function. This flaw allows crafted NTFS images to cause callers to misinterpret error-marked MFT references, potentially leading to incorrect handling of corrupted on-disk metadata. The issue has been fixed by normalizing error-marked MFT references to a consistent error value within the lookup helper function.
References
- ubuntu.com/security/CVE-2026-72188 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-72188 (opens in a new tab)
- git.kernel.org/linus/d97a36bae86a9a4021562ded2987f904e6bcb1d7 (opens in a new tab)
- git.kernel.org/stable/c/83f396d881c4fd312c7fd5fff2c157fc21104464 (opens in a new tab)
- git.kernel.org/stable/c/d97a36bae86a9a4021562ded2987f904e6bcb1d7 (opens in a new tab)