Review reviewHigh

CVE-2024-26666

Linux Linux, linux_kernel, linux kernel

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix RCU use in TDLS fast-xmit This looks up the link under RCU protection, but isn't guaranteed to actually have protection. Fix that.

CVSS
7.1
EPSS
0.33%
25.7% percentile
CISA KEV
Not listed
Published
2024.04.02
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.33%
Technical severityCVSS 7.1

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix RCU use in TDLS fast-xmit This looks up the link under RCU protection, but isn't guaranteed to actually have protection. Fix that.

Affected product and versions

Product
Linux Linux, linux_kernel, linux kernel
Affected versions
>= 8cc07265b69141f8ed9597d0f27185239c241c80 < fc3432ae8232ff4025e7c55012dd88db0e3d18eb, >= 8cc07265b69141f8ed9597d0f27185239c241c80 < c255c3b653c6e8b52ac658c305e2fece2825f7ad, >= 8cc07265b69141f8ed9597d0f27185239c241c80 < 9480adfe4e0f0319b9da04b44e4eebd5ad07e0cd, >= 6.5, >= 8cc07265b691 < fc3432ae8232, >= 8cc07265b691 < c255c3b653c6, >= 8cc07265b691 < 9480adfe4e0f, < 6.5, >= 6.6.17 <= 6.6*, >= 6.75 <= 6.7*, >= 6.8, >= 6.5 < 6.6.17, >= 6.7 < 6.7.5, 6.8
Fixed versions
6.6.17, 6.7.5

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux_kernel, 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:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:H
CWE
Not available