CVE-2025-21699

gfs2: Truncate address space when flipping GFS2_DIF_JDATA flag

State: Published
Severity: 7.8 High
Published: Feb 12, 2025
Updated: Aug 5, 2026
Reserved: Dec 29, 2024

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	Linux
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	2164f9b9186962ffb7c687e18ec6f5255525f09d to before 8c41abc11aa8438c9ed2d973f97e66674c0355dfAffected 2164f9b9186962ffb7c687e18ec6f5255525f09d to before 4e3ded34f3f3c9d7ed2aac7be8cf51153646574aAffected 2164f9b9186962ffb7c687e18ec6f5255525f09d to before 2a40a140e11fec699e128170ccaa98b6b82cb503Affected 2164f9b9186962ffb7c687e18ec6f5255525f09d to before 4dd57d1f0e9844311c635a7fb39abce4f2ac5a61Affected 2164f9b9186962ffb7c687e18ec6f5255525f09d to before 4516febe325342555bb09ca5b396fb816d655821Affected 2164f9b9186962ffb7c687e18ec6f5255525f09d to before 5bb1fd0855bb0abc7d97e44758d6ffed7882d2d0Affected 2164f9b9186962ffb7c687e18ec6f5255525f09d to before 7c9d9223802fbed4dee1ae301661bf346964c9d2Affected
LinuxLinux	5.10Affected before 5.10Not affected 5.10.234 through 5.10.Not affected 5.15.178 through 5.15.Not affected 6.1.128 through 6.1.Not affected 6.6.75 through 6.6.Not affected 6.12.12 through 6.12.Not affected 6.13.1 through 6.13.Not affected 6.14 and laterNot affected

Product

Versions

LinuxLinux

2164f9b9186962ffb7c687e18ec6f5255525f09d to before 8c41abc11aa8438c9ed2d973f97e66674c0355dfAffected
2164f9b9186962ffb7c687e18ec6f5255525f09d to before 4e3ded34f3f3c9d7ed2aac7be8cf51153646574aAffected
2164f9b9186962ffb7c687e18ec6f5255525f09d to before 2a40a140e11fec699e128170ccaa98b6b82cb503Affected
2164f9b9186962ffb7c687e18ec6f5255525f09d to before 4dd57d1f0e9844311c635a7fb39abce4f2ac5a61Affected
2164f9b9186962ffb7c687e18ec6f5255525f09d to before 4516febe325342555bb09ca5b396fb816d655821Affected
2164f9b9186962ffb7c687e18ec6f5255525f09d to before 5bb1fd0855bb0abc7d97e44758d6ffed7882d2d0Affected
2164f9b9186962ffb7c687e18ec6f5255525f09d to before 7c9d9223802fbed4dee1ae301661bf346964c9d2Affected

LinuxLinux

5.10Affected
before 5.10Not affected
5.10.234 through 5.10.*Not affected
5.15.178 through 5.15.*Not affected
6.1.128 through 6.1.*Not affected
6.6.75 through 6.6.*Not affected
6.12.12 through 6.12.*Not affected
6.13.1 through 6.13.*Not affected
6.14 and laterNot affected

References

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