Review reviewHigh

CVE-2022-48782

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: mctp: fix use after free Clang static analysis reports this problem route.c:425:4: warning: Use of memory after it is freed trace_mctp_key_acquire(key); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ When mctp_key_add() fails, key is freed but then is later used in trace_mctp_key_acquire(). Add an else statement to use the key only when mctp_key_add() is successful.

CVSS: 7.8
EPSS: 0.30%
CISA KEV: Not listed
Published: 2024.07.16

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.30%

Technical severityCVSS 7.8

Vulnerability overview

Affected product and versions

Product: Linux Linux, linux kernel
Affected versions: >= 4f9e1ba6de45aa8797a83f1fe5b82ec4bac16899 < 1dd3ecbec5f606b2a526c47925c8634b1a6bb81e, >= 4f9e1ba6de45aa8797a83f1fe5b82ec4bac16899 < 7e5b6a5c8c44310784c88c1c198dde79f6402f7b, >= 5.16, >= 5.16 < 5.16.11
Fixed versions: 5.16.11

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