CVE-2025-68212: Linux kernel · fs: Fix uninitialized 'offp' in statmount_string()
Affects Linux kernelSource GCVE Database
Not known to be exploited · CVSS 7.8 High · fixed in 6.17.0-1009.9~24.04.2 : patch Linux kernel soon.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 3% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 6.17.0-1009.9~24.04.2, 6.17.0-1010.10~24.04.1, 6.17.0-1009.9~24.04.3 +11
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 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 Oct 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 25.10linuxpkg:deb/ubuntu/linux@6.17.0-19.19?arch=source&distro=questingOther threats | Affected
| Fixed in
|
Ubuntu 25.10linux-awspkg:deb/ubuntu/linux-aws@6.17.0-1009.9?arch=source&distro=questingOther threats | Affected
| Fixed in
|
Ubuntu 25.10linux-azurepkg:deb/ubuntu/linux-azure@6.17.0-1010.10?arch=source&distro=questingOther threats | Affected
| Fixed in
|
Ubuntu 25.10linux-azure-fdepkg:deb/ubuntu/linux-azure-fde@6.17.0-1017.17?arch=source&distro=questingOther threats | Affected
| Fixed in– |
Ubuntu 25.10linux-gcppkg:deb/ubuntu/linux-gcp@6.17.0-1009.9?arch=source&distro=questingOther threats | Affected
| Fixed in
|
Ubuntu 25.10linux-oraclepkg:deb/ubuntu/linux-oracle@6.17.0-1009.9?arch=source&distro=questingOther 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 vendor-provided patch is available and should be applied to affected linux-hwe-edge kernel versions to remediate this vulnerability. Updating to versions 6.17.0-1009.9~24.04.2 or later (and corresponding fixed builds) will resolve the issue. No additional mitigation steps are indicated by the vendor advisory.
Description
A vulnerability in the Linux kernel's statmount_string() function was fixed to address an uninitialized pointer 'offp' that could lead to a possible uninitialized dereference. This flaw was due to inconsistent handling of certain flags (STATMOUNT_MNT_UIDMAP and STATMOUNT_MNT_GIDMAP) which bypassed proper initialization of 'offp'. The issue has been resolved by ensuring 'offp' is assigned consistently for these cases. The vulnerability affects specific versions of the linux-hwe-edge kernel prior to 6.17.0-1009.9~24.04.2, 6.17.0-1010.10~24.04.1, 6.17.0-1009.9~24.04.3, 6.17.0-19.19~24.04.2, and 6.17.0-1018.18. The CVSS score is 7.8, indicating a high severity impact with potential for confidentiality, integrity, and availability compromise. A patch is available and has been released by the vendor.
References
- ubuntu.com/security/CVE-2025-68212 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2025-68212 (opens in a new tab)
- git.kernel.org/linus/0778ac7df5137d5041783fadfc201f8fd55a1d9b (opens in a new tab)
- git.kernel.org/stable/c/0778ac7df5137d5041783fadfc201f8fd55a1d9b (opens in a new tab)
- git.kernel.org/stable/c/acfde9400e611c8d2668f1c70053c4a1d6ecfc36 (opens in a new tab)
- ubuntu.com/security/notices/USN-8094-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8094-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-8094-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-8094-4 (opens in a new tab)
- ubuntu.com/security/notices/USN-8094-5 (opens in a new tab)
- ubuntu.com/security/notices/USN-8152-1 (opens in a new tab)