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Review reviewHigh

CVE-2023-52688

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix the error handler of rfkill config When the core rfkill config throws error, it should free the allocated resources. Currently it is not freeing the core pdev create resources. Avoid this issue by calling the core pdev destroy in the error handler of core rfkill config. Found this issue in the code review and it is compile tested only.

CVSS
7.8
EPSS
0.22%
12.1% percentile
CISA KEV
Not listed
Published
2024.05.18
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.22%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix the error handler of rfkill config When the core rfkill config throws error, it should free the allocated resources. Currently it is not freeing the core pdev create resources. Avoid this issue by calling the core pdev destroy in the error handler of core rfkill config. Found this issue in the code review and it is compile tested only.

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= 004ccbc0dd49c63576a4c60a663a38dd3cb6bee5 < b4e593a7a22fa3c7d0550ef51c90b5c21f790aa8, >= 004ccbc0dd49c63576a4c60a663a38dd3cb6bee5 < 898d8b3e1414cd900492ee6a0b582f8095ba4a1a, >= 6.7, >= 6.7 < 6.7.2
Fixed versions
6.7.2

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 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-415