CVE-2024-40969

In the Linux kernel, the following vulnerability has been resolved: f2fs: don't set RO when shutting down f2fs Shutdown does not check the error of thaw_super due to readonly, which causes a deadlock like below. f2fs_ioc_shutdown(F2FS_GOING_DOWN_FULLSYNC) issue_discard_thread - bdev_freeze - freeze_super - f2fs_stop_checkpoint() - f2fs_handle_critical_error - sb_start_write - set RO - waiting - bdev_thaw - thaw_super_locked - return -EINVAL, if sb_rdonly() - f2fs_stop_discard_thread -> wait for kthread_stop(discard_thread);

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/1036d3ea7a32cb7cee00885c73a1f2ba7fbc499a	Patch
https://git.kernel.org/stable/c/3bdb7f161697e2d5123b89fe1778ef17a44858e7	Patch
https://git.kernel.org/stable/c/f47ed3b284b38f235355e281f57dfa8fffcc6563	Patch
https://git.kernel.org/stable/c/1036d3ea7a32cb7cee00885c73a1f2ba7fbc499a	Patch
https://git.kernel.org/stable/c/3bdb7f161697e2d5123b89fe1778ef17a44858e7	Patch
https://git.kernel.org/stable/c/f47ed3b284b38f235355e281f57dfa8fffcc6563	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

No history.

Information

Published : 2024-07-12 13:15

Updated : 2024-11-21 09:31

NVD link : CVE-2024-40969

Mitre link : CVE-2024-40969

CVE.ORG link : CVE-2024-40969

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-667

Improper Locking

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