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Review reviewHigh

CVE-2026-46152

Linux Linux, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: drop stray 'static' from fast-RX rx_result ieee80211_invoke_fast_rx() is documented as safe for parallel RX, but its per-invocation rx_result is declared static. Concurrent callers then share one instance and can overwrite each other's result between ieee80211_rx_mesh_data() and the switch on res. That can make a packet that was queued or consumed by ieee80211_rx_mesh_data() fall through into ieee80211_rx_8023(), or make a packet that should continue return as queued. Make res an automatic variable so each i...

CVSS
8.8
EPSS
0.17%
6.36% percentile
CISA KEV
Not listed
Published
2026.05.28
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.17%
Technical severityCVSS 8.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: drop stray 'static' from fast-RX rx_result ieee80211_invoke_fast_rx() is documented as safe for parallel RX, but its per-invocation rx_result is declared static. Concurrent callers then share one instance and can overwrite each other's result between ieee80211_rx_mesh_data() and the switch on res. That can make a packet that was queued or consumed by ieee80211_rx_mesh_data() fall through into ieee80211_rx_8023(), or make a packet that should continue return as queued. Make res an automatic variable so each i...

Affected product and versions

Product
Linux Linux, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support
Affected versions
>= 3468e1e0c639032a603450f0830ccabfa76f5806 < 03584528bfffb195e384698af9148b94e42e3f14, >= 3468e1e0c639032a603450f0830ccabfa76f5806 < 1739fc31b4de06c5c78ce0741182770fb079091e, >= 3468e1e0c639032a603450f0830ccabfa76f5806 < e131562d6f2b958148c35c98831b007f47f0e3d3, >= 3468e1e0c639032a603450f0830ccabfa76f5806 < 3ef44f96ccc3e06e059dec57842e366f0c4b1893, >= 3468e1e0c639032a603450f0830ccabfa76f5806 < 7a5b81e0c87a075afd572f659d8eb68c9c4cd2ba, >= 6.4, >= 6.4 < 6.6.140, >= 6.7 < 6.12.88, >= 6.13 < 6.18.30, >= 6.19 < 7.0.7, 7.1
Fixed versions
6.6.140, 6.12.88, 6.18.30, 7.0.7

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 10.0 Extended Update Support 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:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-1058