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CVE-2022-50217

Опубликовано: 18 июн. 2025
Источник: redhat
CVSS3: 4.7

Описание

In the Linux kernel, the following vulnerability has been resolved: fuse: write inode in fuse_release() A race between write(2) and close(2) allows pages to be dirtied after fuse_flush -> write_inode_now(). If these pages are not flushed from fuse_release(), then there might not be a writable open file later. So any remaining dirty pages must be written back before the file is released. This is a partial revert of the blamed commit.

A flaw was found in the Linux kernel's Filesystem in Userspace (FUSE) subsystem. A race condition exists between write and close operations, which a local attacker with low privileges could exploit. This vulnerability allows data pages to be modified without being properly saved, potentially leading to data corruption or a denial of service where the affected file becomes inaccessible.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 10kernelNot affected
Red Hat Enterprise Linux 6kernelOut of support scope
Red Hat Enterprise Linux 7kernelOut of support scope
Red Hat Enterprise Linux 7kernel-rtOut of support scope
Red Hat Enterprise Linux 8kernelNot affected
Red Hat Enterprise Linux 8kernel-rtNot affected
Red Hat Enterprise Linux 9kernelNot affected
Red Hat Enterprise Linux 9kernel-rtNot affected

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-367
https://bugzilla.redhat.com/show_bug.cgi?id=2373634kernel: Linux kernel (FUSE): Data corruption or Denial of Service due to a race condition during file operations

4.7 Medium

CVSS3

Связанные уязвимости

CVSS3: 5.5
ubuntu
около 1 года назад

In the Linux kernel, the following vulnerability has been resolved: fuse: write inode in fuse_release() A race between write(2) and close(2) allows pages to be dirtied after fuse_flush -> write_inode_now(). If these pages are not flushed from fuse_release(), then there might not be a writable open file later. So any remaining dirty pages must be written back before the file is released. This is a partial revert of the blamed commit.

CVSS3: 5.5
nvd
около 1 года назад

In the Linux kernel, the following vulnerability has been resolved: fuse: write inode in fuse_release() A race between write(2) and close(2) allows pages to be dirtied after fuse_flush -> write_inode_now(). If these pages are not flushed from fuse_release(), then there might not be a writable open file later. So any remaining dirty pages must be written back before the file is released. This is a partial revert of the blamed commit.

CVSS3: 5.5
debian
около 1 года назад

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

CVSS3: 5.5
github
около 1 года назад

In the Linux kernel, the following vulnerability has been resolved: fuse: write inode in fuse_release() A race between write(2) and close(2) allows pages to be dirtied after fuse_flush -> write_inode_now(). If these pages are not flushed from fuse_release(), then there might not be a writable open file later. So any remaining dirty pages must be written back before the file is released. This is a partial revert of the blamed commit.

4.7 Medium

CVSS3