CVE-2026-98936: Linux kernel · wifi: ath11k: reset ar->num_stations on hardware start
Affects Linux kernelSource GCVE Database
Not known to be exploited.
Data as of 28 Oct 2026, 02:15 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Exploitation evidence
Disclosed: evidence found.
CVE published 23 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.04 LTSlinuxpkg:deb/ubuntu/linux?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-awspkg:deb/ubuntu/linux-aws?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-azurepkg:deb/ubuntu/linux-azure?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-azure-fdepkg:deb/ubuntu/linux-azure-fde?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-gcppkg:deb/ubuntu/linux-gcp?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-gkepkg:deb/ubuntu/linux-gke?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A fix for this issue is available in the specified Linux kernel versions. Users should update to the patched kernel releases listed in the affectedVersions to resolve the problem. No additional mitigation is required beyond applying the official fix.
Description
A vulnerability in the Linux kernel's ath11k WiFi driver caused the 'num_stations' counter to not reset properly on hardware restart. This led to the inability to accept new stations or mesh peers after multiple hardware restarts, resulting in warnings and failures to associate new stations.
References
- ubuntu.com/security/CVE-2026-98936 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-98936 (opens in a new tab)
- git.kernel.org/stable/c/60142eb2afda34508e640a3ff2a54c90e51525cc (opens in a new tab)
- git.kernel.org/stable/c/7e0ad05ebc72fffba2bdf2400400902d94ed7272 (opens in a new tab)
- git.kernel.org/stable/c/9a9467f7cc633b31e4c34a2c56aa095e0c3fa853 (opens in a new tab)
- git.kernel.org/stable/c/c27779d3679c695674747744390f97a5424a0dc8 (opens in a new tab)
- git.kernel.org/stable/c/c3ac51701e925e8d50479ae2fddca51a09f636e8 (opens in a new tab)