SECUFOCUSNOW
Home›CVE index›CVE-2023-52829
Review reviewHigh

CVE-2023-52829

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix possible out-of-bound write in ath12k_wmi_ext_hal_reg_caps() reg_cap.phy_id is extracted from WMI event and could be an unexpected value in case some errors happen. As a result out-of-bound write may occur to soc->hal_reg_cap. Fix it by validating reg_cap.phy_id before using it. This is found during code review. Compile tested only.

CVSS
8.4
EPSS
0.26%
17.7% percentile
CISA KEV
Not listed
Published
2024.05.22
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.26%
Technical severityCVSS 8.4

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix possible out-of-bound write in ath12k_wmi_ext_hal_reg_caps() reg_cap.phy_id is extracted from WMI event and could be an unexpected value in case some errors happen. As a result out-of-bound write may occur to soc->hal_reg_cap. Fix it by validating reg_cap.phy_id before using it. This is found during code review. Compile tested only.

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= d889913205cf7ebda905b1e62c5867ed4e39f6c2 < dfe13eaab043130f90dd3d57c7d88577c04adc97, >= d889913205cf7ebda905b1e62c5867ed4e39f6c2 < 4dd0547e8b45faf6f95373be5436b66cde326c0e, >= d889913205cf7ebda905b1e62c5867ed4e39f6c2 < b302dce3d9edea5b93d1902a541684a967f3c63c, >= 6.3, >= 6.3 < 6.5.13, >= 6.6 < 6.6.3
Fixed versions
6.5.13, 6.6.3

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:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-787