CVE-2025-21699

gfs2: Truncate address space when flipping GFS2_DIF_JDATA flag

Medium · published February 12, 2025

CVSS v3.1
5.5
EPSS
0%
Percentile
15.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00250 · 15.4th percentile
Published
2025-02-12T13:52Z
EPSS history
Timeline
  • 12 FEB 13:52Z
    gfs2: Truncate address space when flipping GFS2_DIF_JDATA flag
    cvelistv5