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Review reviewHigh

CVE-2023-52777

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix gtk offload status event locking The ath11k active pdevs are protected by RCU but the gtk offload status event handling code calling ath11k_mac_get_arvif_by_vdev_id() was not marked as a read-side critical section. Mark the code in question as an RCU read-side critical section to avoid any potential use-after-free issues. Compile tested only.

CVSS
7.8
EPSS
0.24%
15.3% 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 probability0.24%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix gtk offload status event locking The ath11k active pdevs are protected by RCU but the gtk offload status event handling code calling ath11k_mac_get_arvif_by_vdev_id() was not marked as a read-side critical section. Mark the code in question as an RCU read-side critical section to avoid any potential use-after-free issues. Compile tested only.

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= a16d9b50cfbaf112401b8e5ccfa852709f498cd4 < 0cf7577b6b3153b4b49deea9719fe43f96469c6d, >= a16d9b50cfbaf112401b8e5ccfa852709f498cd4 < cf9c7d783a2bf9305df4ef5b93d9063a52e18fca, >= a16d9b50cfbaf112401b8e5ccfa852709f498cd4 < e83246ecd3b193f8d91fce778e8a5ba747fc7d8a, >= a16d9b50cfbaf112401b8e5ccfa852709f498cd4 < 1dea3c0720a146bd7193969f2847ccfed5be2221, >= 5.19, >= 5.19 < 6.1.64, >= 6.2 < 6.5.13, >= 6.6 < 6.6.3
Fixed versions
6.1.64, 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:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-416