CVE-2022-50328
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
15/09/2025
Last modified:
15/09/2025
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
jbd2: fix potential use-after-free in jbd2_fc_wait_bufs<br />
<br />
In &#39;jbd2_fc_wait_bufs&#39; use &#39;bh&#39; after put buffer head reference count<br />
which may lead to use-after-free.<br />
So judge buffer if uptodate before put buffer head reference count.
Impact
References to Advisories, Solutions, and Tools
- https://git.kernel.org/stable/c/1d4d16daec2a6689b6d3fbfc7d2078643adc6619
- https://git.kernel.org/stable/c/243d1a5d505d0b0460c9af0ad56ed4a56ef0bebd
- https://git.kernel.org/stable/c/2e6d9f381c1ed844531a577783fc352de7a44c8a
- https://git.kernel.org/stable/c/d11d2ded293976a1a0d9d9471827a44dc9e3c63f
- https://git.kernel.org/stable/c/effd9b3c029ecdd853a11933dcf857f5a7ca8c3d