CVE-2022-50328

high

Description

In the Linux kernel, the following vulnerability has been resolved: jbd2: fix potential use-after-free in jbd2_fc_wait_bufs In 'jbd2_fc_wait_bufs' use 'bh' after put buffer head reference count which may lead to use-after-free. So judge buffer if uptodate before put buffer head reference count.

References

https://git.kernel.org/stable/c/effd9b3c029ecdd853a11933dcf857f5a7ca8c3d

https://git.kernel.org/stable/c/d11d2ded293976a1a0d9d9471827a44dc9e3c63f

https://git.kernel.org/stable/c/2e6d9f381c1ed844531a577783fc352de7a44c8a

https://git.kernel.org/stable/c/243d1a5d505d0b0460c9af0ad56ed4a56ef0bebd

https://git.kernel.org/stable/c/1d4d16daec2a6689b6d3fbfc7d2078643adc6619

Details

Source: Mitre, NVD

Published: 2025-09-15

Updated: 2025-09-15

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00018