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CVE-2026-63800

Опубликовано: 20 июл. 2026
Источник: msrc
CVSS3: 9.8
EPSS Низкий

Описание

pNFS: Fix use-after-free in pnfs_update_layout()

EPSS

Процентиль: 40%
0.005
Низкий

9.8 Critical

CVSS3

Связанные уязвимости

CVSS3: 9.8
ubuntu
13 дней назад

(In the Linux kernel, the following vulnerability has been resolved: p ...)

CVSS3: 7
redhat
14 дней назад

In the Linux kernel, the following vulnerability has been resolved: pNFS: Fix use-after-free in pnfs_update_layout() When hitting the NFS_LAYOUT_RETURN branch in pnfs_update_layout(), the code calls pnfs_prepare_to_retry_layoutget(lo). If it succeeds, pnfs_put_layout_hdr(lo) is called before trace_pnfs_update_layout(), which still references 'lo'. This results in a use-after-free when the tracepoint accesses lo's fields. Fix this by moving the tracepoint call before pnfs_put_layout_hdr(lo).

CVSS3: 9.8
nvd
13 дней назад

In the Linux kernel, the following vulnerability has been resolved: pNFS: Fix use-after-free in pnfs_update_layout() When hitting the NFS_LAYOUT_RETURN branch in pnfs_update_layout(), the code calls pnfs_prepare_to_retry_layoutget(lo). If it succeeds, pnfs_put_layout_hdr(lo) is called before trace_pnfs_update_layout(), which still references 'lo'. This results in a use-after-free when the tracepoint accesses lo's fields. Fix this by moving the tracepoint call before pnfs_put_layout_hdr(lo).

CVSS3: 9.8
debian
13 дней назад

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

CVSS3: 9.8
github
13 дней назад

In the Linux kernel, the following vulnerability has been resolved: pNFS: Fix use-after-free in pnfs_update_layout() When hitting the NFS_LAYOUT_RETURN branch in pnfs_update_layout(), the code calls pnfs_prepare_to_retry_layoutget(lo). If it succeeds, pnfs_put_layout_hdr(lo) is called before trace_pnfs_update_layout(), which still references 'lo'. This results in a use-after-free when the tracepoint accesses lo's fields. Fix this by moving the tracepoint call before pnfs_put_layout_hdr(lo).

EPSS

Процентиль: 40%
0.005
Низкий

9.8 Critical

CVSS3