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CVE

CVE-2026-53049

gfs2: add some missing log locking
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CVE

CVE-2026-53049

gfs2: add some missing log locking

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

gfs2: add some missing log locking

Function gfs2logd() calls the log flushing functions gfs2ail1_start(),

gfs2ail1wait(), and gfs2ail1empty() without holding sdp->sdlogflush_lock,

but these functions require exclusion against concurrent transactions.

To fix that, add a non-locking _gfs2log_flush() function.  Then, in

gfs2logd(), take sdp->sdlogflushlock before calling the above mentioned log

flushing functions and _gfs2log_flush().

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://git.kernel.org/stable/c/3b28eb75afe520972bacc833850c2b30aa0824cd, https://git.kernel.org/stable/c/49d9be0722da3a4a893ba905720cba1921834ec3, https://git.kernel.org/stable/c/98e8bf249c790d56de1abc4a5f8bd68035a00921, https://git.kernel.org/stable/c/bf5fcd9c37c2546beaf7b401d31aefd89017dc3d, https://git.kernel.org/stable/c/ca95342cb1b39062a03c115830286f0a426053d5, https://git.kernel.org/stable/c/f2f225cf505ac016132ded21690f3ba0a080a4e8, https://git.kernel.org/stable/c/fe2c8d051150b90b3ccb85f89e3b1d636cb88ec8, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53049.json, https://nvd.nist.gov/vuln/detail/CVE-2026-53049, https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Severity

9.8

CVSS Score
0
10

Basic Information

Base CVSS
9.8
EPSS Probability
0.00388%
EPSS Percentile
0.32245%
Introduced Version
5e4c7632aae1cce137792647f4fb6f599d1da893,5.7.0,5.16.0,6.2.0,6.7.0,6.13.0,6.19.0,0
Fix Available
fe2c8d051150b90b3ccb85f89e3b1d636cb88ec8,5.15.209,6.1.175,6.6.141,6.12.91,6.18.33,7.0.10,6.1.176-1,6.1.176-1~deb11u1,6.12.94-1,5.15.0-1112.119~20.04.1,5.15.0-1117.126~20.04.1,5.15.0-1117.126~20.04.2,5.15.0-186.196~20.04.1,5.15.0-1106.110~20.04.1,5.15.0-1107.113~20.04.1,5.15.0-184.194~20.04.1,5.15.0-1064.66~20.04.1,5.15.0-1109.115~20.04.1,6.8.0-136.136,6.8.0-1061.64,6.8.0-1063.71,6.8.0-1062.69,6.8.0-1064.72,6.8.0-1059.67,6.8.0-1046.50,7.0.0-28.28~24.04.1,6.8.0-1061.62,6.8.0-136.136.2,6.8.0-1059.62,7.0.0-1016.16~24.04.1,6.8.0-1059.62.1,6.8.0-1030.31,6.8.0-1058.61,6.8.0-1061.65,6.8.0-1033.34,5.15.0-186.196,5.15.0-1112.119,6.8.0-1061.64~22.04.1,5.15.0-1117.126,6.8.0-1063.71~22.04.1,6.8.0-1062.69~22.04.1,5.15.0-1112.122,6.8.0-1064.72~22.04.1,5.15.0-1108.114,5.15.0-1095.103,6.8.0-136.136~22.04.1,5.15.0-1106.110,6.8.0-1061.62~22.04.1,5.15.0-1107.113,5.15.0-1104.109,5.15.0-184.194,6.8.0-136.136.2~22.04.1,5.15.0-1107.108,6.8.0-1059.62~22.04.1,5.15.0-1064.66,5.15.0-1053.53,5.15.0-1109.115,6.8.0-1058.61~22.04.1,6.8.0-136.136~22.04.3,5.15.0-1075.79

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