CVE-2026-53049 PUBLISHED

gfs2: add some missing log locking

Assigner: Linux
Reserved: 09.06.2026 Published: 24.06.2026 Updated: 28.06.2026

In the Linux kernel, the following vulnerability has been resolved:

gfs2: add some missing log locking

Function gfs2_logd() calls the log flushing functions gfs2_ail1_start(), gfs2_ail1_wait(), and gfs2_ail1_empty() without holding sdp->sd_log_flush_lock, but these functions require exclusion against concurrent transactions.

To fix that, add a non-locking __gfs2_log_flush() function. Then, in gfs2_logd(), take sdp->sd_log_flush_lock before calling the above mentioned log flushing functions and __gfs2_log_flush().

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 5e4c7632aae1cce137792647f4fb6f599d1da893 to 3b28eb75afe520972bacc833850c2b30aa0824cd (excl.)
  • affected from 5e4c7632aae1cce137792647f4fb6f599d1da893 to ca95342cb1b39062a03c115830286f0a426053d5 (excl.)
  • affected from 5e4c7632aae1cce137792647f4fb6f599d1da893 to bf5fcd9c37c2546beaf7b401d31aefd89017dc3d (excl.)
  • affected from 5e4c7632aae1cce137792647f4fb6f599d1da893 to f2f225cf505ac016132ded21690f3ba0a080a4e8 (excl.)
  • affected from 5e4c7632aae1cce137792647f4fb6f599d1da893 to 49d9be0722da3a4a893ba905720cba1921834ec3 (excl.)
  • affected from 5e4c7632aae1cce137792647f4fb6f599d1da893 to 98e8bf249c790d56de1abc4a5f8bd68035a00921 (excl.)
  • affected from 5e4c7632aae1cce137792647f4fb6f599d1da893 to fe2c8d051150b90b3ccb85f89e3b1d636cb88ec8 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 5.7 is affected
  • unaffected from 0 to 5.7 (excl.)
  • unaffected from 5.15.209 to 5.15.* (incl.)
  • unaffected from 6.1.175 to 6.1.* (incl.)
  • unaffected from 6.6.141 to 6.6.* (incl.)
  • unaffected from 6.12.91 to 6.12.* (incl.)
  • unaffected from 6.18.33 to 6.18.* (incl.)
  • unaffected from 7.0.10 to 7.0.* (incl.)
  • unaffected from 7.1 to * (incl.)

References