Vulnerability details

CVE-2022-50328

Linux Linux

jbd2: fix potential use-after-free in jbd2_fc_wait_bufs

CVSS 3.1
7.8High

Official 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.

CVSS scores

ScoreVersionSourceVector
7.8High 3.1 CVEProject cvelistV5 (CNA) (Linux) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
Linux Linux 5.10 CVEProject cvelistV5 (CNA)
Linux Linux ff780b91efe901b8eecd8114785abae5341820ad ≤ v < 1d4d16daec2a6689b6d3fbfc7d2078643adc6619 CVEProject cvelistV5 (CNA)
Linux Linux ff780b91efe901b8eecd8114785abae5341820ad ≤ v < d11d2ded293976a1a0d9d9471827a44dc9e3c63f CVEProject cvelistV5 (CNA)
Linux Linux ff780b91efe901b8eecd8114785abae5341820ad ≤ v < 2e6d9f381c1ed844531a577783fc352de7a44c8a CVEProject cvelistV5 (CNA)
Linux Linux ff780b91efe901b8eecd8114785abae5341820ad ≤ v < effd9b3c029ecdd853a11933dcf857f5a7ca8c3d CVEProject cvelistV5 (CNA)
Linux Linux ff780b91efe901b8eecd8114785abae5341820ad ≤ v < 243d1a5d505d0b0460c9af0ad56ed4a56ef0bebd CVEProject cvelistV5 (CNA)

References and advisories

5
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Details

Published
2025-09-15
Last updated
2026-10-16
State
Published
Assigner (CNA)
Linux

Exploit prediction (EPSS)

0.16%
Probability of exploitation in 30 days
5.5%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

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