Critical severity · published Jun 24, 2026
CVE-2026-53049
gfs2: add some missing log locking
9.8
CVSS
0.4%
EPSS
No
On KEV
Description
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().
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
5.7 before 5.15.209; 5.16 before 6.1.175; 6.2 before 6.6.141; 6.7 before 6.12.91; 6.13 before 6.18.33; 6.19 before 7.0.10 · source: NVD
LI
Linux · Linux
5e4c7632aae1cce137792647f4fb6f599d1da893 before 3b28eb75afe520972bacc833850c2b30aa0824cd; 5e4c7632aae1cce137792647f4fb6f599d1da893 before ca95342cb1b39062a03c115830286f0a426053d5; 5e4c7632aae1cce137792647f4fb6f599d1da893 before bf5fcd9c37c2546beaf7b401d31aefd89017dc3d; 5e4c7632aae1cce137792647f4fb6f599d1da893 before f2f225cf505ac016132ded21690f3ba0a080a4e8; 5e4c7632aae1cce137792647f4fb6f599d1da893 before 49d9be0722da3a4a893ba905720cba1921834ec3; 5e4c7632aae1cce137792647f4fb6f599d1da893 before 98e8bf249c790d56de1abc4a5f8bd68035a00921; +2 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-53049
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-53049
Patch
https://git.kernel.org/stable/c/3b28eb75afe520972bacc833850c2b30aa0824cd
Patch
https://git.kernel.org/stable/c/49d9be0722da3a4a893ba905720cba1921834ec3
Patch
https://git.kernel.org/stable/c/98e8bf249c790d56de1abc4a5f8bd68035a00921
Patch
https://git.kernel.org/stable/c/bf5fcd9c37c2546beaf7b401d31aefd89017dc3d
Patch
https://git.kernel.org/stable/c/ca95342cb1b39062a03c115830286f0a426053d5
Patch
https://git.kernel.org/stable/c/f2f225cf505ac016132ded21690f3ba0a080a4e8
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