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Review reviewHigh

CVE-2024-47721

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: remove unused C2H event ID RTW89_MAC_C2H_FUNC_READ_WOW_CAM to prevent out-of-bounds reading The handler of firmware C2H event RTW89_MAC_C2H_FUNC_READ_WOW_CAM isn't implemented, but driver expects number of handlers is NUM_OF_RTW89_MAC_C2H_FUNC_WOW causing out-of-bounds access. Fix it by removing ID. Addresses-Coverity-ID: 1598775 ("Out-of-bounds read")

CVSS
7.1
EPSS
-
- percentile
CISA KEV
Not listed
Published
2024.10.21
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.1

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: remove unused C2H event ID RTW89_MAC_C2H_FUNC_READ_WOW_CAM to prevent out-of-bounds reading The handler of firmware C2H event RTW89_MAC_C2H_FUNC_READ_WOW_CAM isn't implemented, but driver expects number of handlers is NUM_OF_RTW89_MAC_C2H_FUNC_WOW causing out-of-bounds access. Fix it by removing ID. Addresses-Coverity-ID: 1598775 ("Out-of-bounds read")

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= ff53fce5c78ba27ec7eb0baff7ef9648fde7ad8e < 10463308b9454f534d03300cf679bc4b3d078f46, >= ff53fce5c78ba27ec7eb0baff7ef9648fde7ad8e < 2c9c2d1a20916589497a7facbea3e82cabec4ab8, >= ff53fce5c78ba27ec7eb0baff7ef9648fde7ad8e < 56310ddb50b190b3390fdc974aec455d0a516bd2, >= 6.10, >= 6.10 < 6.10.13, >= 6.11 < 6.11.2
Fixed versions
6.10.13, 6.11.2

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:N/A:H
CWE
CWE-125