CVE-2025-21699
HIGH severity · CVSS 7.8
7.8CVSS HIGH
Summary
In the Linux kernel, the following vulnerability has been resolved: gfs2: Truncate address space when flipping GFS2_DIF_JDATA flag Truncate an inode's address space when flipping the GFS2_DIF_JDATA flag: depending on that flag, the pages in the address space will either use buffer heads or iomap_folio_state structs, and we cannot mix the two.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/2a40a140e11fec699e128170ccaa98b6b82cb503 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/2a40a140e11fec699e128170ccaa98b6b82cb503Patch
- https://git.kernel.org/stable/c/4516febe325342555bb09ca5b396fb816d655821Patch
- https://git.kernel.org/stable/c/4dd57d1f0e9844311c635a7fb39abce4f2ac5a61Patch
- https://git.kernel.org/stable/c/4e3ded34f3f3c9d7ed2aac7be8cf51153646574aPatch
- https://git.kernel.org/stable/c/5bb1fd0855bb0abc7d97e44758d6ffed7882d2d0Patch
- https://git.kernel.org/stable/c/7c9d9223802fbed4dee1ae301661bf346964c9d2Patch
- https://git.kernel.org/stable/c/8c41abc11aa8438c9ed2d973f97e66674c0355dfPatch
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html