CVE-2025-22081: Linux kernel · fs/ntfs3: Fix a couple integer overflows on 32bit systems
Affects Linux kernelSource GCVE Database
Not known to be exploited · CVSS 7.8 High · fixed in 5.15.0-1086.93~20.04.1 : patch Linux kernel soon.
Data as of 12 Nov 2026, 19:25 UTC
- Patch
- Available – fixed in 5.15.0-1086.93~20.04.1, 5.15.0-1091.100~20.04.1, 5.15.0-1085.94~20.04.1 +64
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 16 Apr 2025
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 12 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Patches and advisories
- ubuntu.com/security/notices/USN-7591-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7591-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7591-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-7592-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7593-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7594-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7591-4 (opens in a new tab)
- ubuntu.com/security/notices/USN-7597-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7597-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7598-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7594-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7602-1 (opens in a new tab)
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 25.10linux-azure-fdepkg:deb/ubuntu/linux-azure-fde?arch=source&distro=questingOther threats | Affected
| Fixed in– |
Ubuntu 24.04 LTSlinuxpkg:deb/ubuntu/linux?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-awspkg:deb/ubuntu/linux-aws?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-azurepkg:deb/ubuntu/linux-azure?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-nvidiapkg:deb/ubuntu/linux-azure-nvidia?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
Apply the official Linux kernel updates that include the fix for this vulnerability. The patches are available in versions 5.15.0-1086.93~20.04.1 and later for the affected distributions. After updating, reboot the system to ensure the fixes take effect. No additional mitigation is required beyond applying the official patches.
Description
CVE-2025-22081 is a high-severity vulnerability in the Linux kernel's NTFS3 file system driver affecting 32-bit systems. It involves integer overflow issues in the calculation of offsets, which could lead to memory corruption. The flaw has been fixed in multiple Linux kernel versions starting from 5.15.0-1086.93~20.04.1 and similar releases. Users should apply the official patches and reboot to mitigate the issue.
References
- ubuntu.com/security/CVE-2025-22081 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2025-22081 (opens in a new tab)
- git.kernel.org/linus/5ad414f4df2294b28836b5b7b69787659d6aa708 (opens in a new tab)
- git.kernel.org/stable/c/0538f52410b619737e663167b6a2b2d0bc1a589d (opens in a new tab)
- git.kernel.org/stable/c/0922d86a7a6032cb1694eab0b44b861bd33ba8d5 (opens in a new tab)
- git.kernel.org/stable/c/0dfe700fbd3525f30a36ffbe390a5b9319bd009a (opens in a new tab)
- git.kernel.org/stable/c/1a14e9718a19d2e88de004a1360bfd7a86ed1395 (opens in a new tab)
- git.kernel.org/stable/c/284c9549386e9883855fb82b730303bb2edea9de (opens in a new tab)
- git.kernel.org/stable/c/4d0f4f42922a832388a0c2fe5204c0a1037ff786 (opens in a new tab)
- git.kernel.org/stable/c/5ad414f4df2294b28836b5b7b69787659d6aa708 (opens in a new tab)
- ubuntu.com/security/notices/USN-7591-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7591-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7591-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-7592-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7593-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7594-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7591-4 (opens in a new tab)
- ubuntu.com/security/notices/USN-7597-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7597-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7598-1 (opens in a new tab)