Review reviewHigh

CVE-2022-50328

Linux Linux, linux kernel

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: 7.8
EPSS: -
CISA KEV: Not listed
Published: 2025.09.16

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability-

Technical severityCVSS 7.8

Vulnerability overview

Affected product and versions

Product: Linux Linux, linux kernel
Affected versions: >= ff780b91efe901b8eecd8114785abae5341820ad < 1d4d16daec2a6689b6d3fbfc7d2078643adc6619, >= ff780b91efe901b8eecd8114785abae5341820ad < d11d2ded293976a1a0d9d9471827a44dc9e3c63f, >= ff780b91efe901b8eecd8114785abae5341820ad < 2e6d9f381c1ed844531a577783fc352de7a44c8a, >= ff780b91efe901b8eecd8114785abae5341820ad < effd9b3c029ecdd853a11933dcf857f5a7ca8c3d, >= ff780b91efe901b8eecd8114785abae5341820ad < 243d1a5d505d0b0460c9af0ad56ed4a56ef0bebd, >= 5.10, < 5.10.150, >= 5.11 < 5.15.75, >= 5.16 < 5.19.17, >= 6.0 < 6.0.3
Fixed versions: 5.10.150, 5.15.75, 5.19.17, 6.0.3

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Linux Linux, linux kernel and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-416