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VulnerabilityPublished Updated

CVE-2026-46271: Linux kernel · wifi: ath12k: do WoW offloads only on primary link

Affects Linux kernelSource CVE Database V5

0

Not known to be exploited · CVSS 7.8 High · fixed in e62102ac9b773bdb08475aa9ca24dea61ae98708 : patch Linux kernel soon.

Data as of 26 Oct 2026, 17:30 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CISA SSVC
Exploitation
No evidence of active exploitation and no public proof of concept
Automatable
Attackers cannot reliably automate steps 1–4 of the kill chain
Technical impact
Total control over the software or total information disclosure

CISA SSVC assessment, 2026-10-16.

Patch
Available – fixed in e62102ac9b773bdb08475aa9ca24dea61ae98708, e042da1085d9f1686c58a4378d5840f52a36598e, 7379837c3f9efa576dc2d716ebfaa3a113b3112f
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade Linux kernel to e62102ac9b773bdb08475aa9ca24dea61ae98708, e042da1085d9f1686c58a4378d5840f52a36598e or 7379837c3f9efa576dc2d716ebfaa3a113b3112f.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 32f7b19668bd2894f1a236580c2132fc4b9f4449, < e62102ac9b773bdb08475aa9ca24dea61ae98708
Fixed in
  • e62102ac9b773bdb08475aa9ca24dea61ae98708
LinuxLinuxAffected
  • ≥ 32f7b19668bd2894f1a236580c2132fc4b9f4449, < e042da1085d9f1686c58a4378d5840f52a36598e
Fixed in
  • e042da1085d9f1686c58a4378d5840f52a36598e
LinuxLinuxAffected
  • ≥ 32f7b19668bd2894f1a236580c2132fc4b9f4449, < 7379837c3f9efa576dc2d716ebfaa3a113b3112f
Fixed in
  • 7379837c3f9efa576dc2d716ebfaa3a113b3112f
LinuxLinuxAffected
  • =6.16
Fixed in–

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: do WoW offloads only on primary link In case of multi-link connection, WCN7850 firmware crashes due to WoW offloads enabled on both primary and secondary links. Change to do it only on primary link to fix it. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00284-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1

References

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