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CVE-2026-23223

Опубликовано: 21 фев. 2026
Источник: msrc
CVSS3: 6.7
EPSS Низкий

Описание

xfs: fix UAF in xchk_btree_check_block_owner

EPSS

Процентиль: 3%
0.00015
Низкий

6.7 Medium

CVSS3

Связанные уязвимости

CVSS3: 7.8
ubuntu
около 1 месяца назад

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.{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 xfs_btnum_t.

CVSS3: 5.5
redhat
около 1 месяца назад

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.{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 xfs_btnum_t.

CVSS3: 7.8
nvd
около 1 месяца назад

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.{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 xfs_btnum_t.

CVSS3: 7.8
debian
около 1 месяца назад

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

CVSS3: 7.8
github
около 1 месяца назад

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.{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 xfs_btnum_t.

EPSS

Процентиль: 3%
0.00015
Низкий

6.7 Medium

CVSS3