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CVE

DEBIAN-CVE-2026-23223

In the Linux kernel, the following vulnerability has been resolved: xfs: fix UAF in xchk_btree_check_block_owner We cannot dereference bs->cur when trying to determine if bs->cur aliases bs->sc->sa....
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CVE

DEBIAN-CVE-2026-23223

In the Linux kernel, the following vulnerability has been resolved: xfs: fix UAF in xchk_btree_check_block_owner We cannot dereference bs->cur when trying to determine if bs->cur aliases bs->sc->sa....

In the Linux kernel, the following vulnerability has been resolved:  xfs: fix UAF in xchkbtreecheckblockowner  We cannot dereference bs->cur when trying to determine if bs->cur aliases bs->sc->sa.{bno,rmap}cur after the latter has been freed. Fix this by sampling before type before any freeing could happen. The correct temporal ordering was broken when we removed xfsbtnum_t.

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
-
C
H
U
0
-
3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://security-tracker.debian.org/tracker/CVE-2026-23223

Severity

7.8

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7.8
EPSS Probability
0%
EPSS Percentile
0%
Introduced Version
0
Fix Available
6.12.73-1,6.18.12-1

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