CVE-2026-93797: Linux kernel · wifi: iwlwifi: mvm: fix an off-by-1 boundary check
Affects Linux kernelSource GCVE Database
Not known to be exploited.
Data as of 26 Oct 2026, 17:16 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 6% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 24 Sep 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 vulnerability has been implemented in the Linux kernel. Users should update to patched kernel versions that address this off-by-one boundary check issue in the iwlwifi mvm driver. Specific affected versions are listed and should be upgraded accordingly.
Description
A medium severity off-by-one boundary check vulnerability in the Linux kernel's iwlwifi mvm driver has been resolved. The issue involved insufficient length checking before accessing the 11th byte in a data structure, which could lead to out-of-bounds memory access. Multiple specific Linux kernel versions are affected.
References
- ubuntu.com/security/CVE-2026-93797 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-93797 (opens in a new tab)
- git.kernel.org/stable/c/4d60332387336088e66cc8f1e71e516b6b872ef9 (opens in a new tab)
- git.kernel.org/stable/c/1e3b72c9b63288a5f204e2c8f38eae01515d7dc5 (opens in a new tab)
- git.kernel.org/stable/c/d77aff138c9ec6c8562f4c2c9f262d3d9c4b4cb8 (opens in a new tab)
- nvd.nist.gov/vuln/detail/CVE-2026-93797 (opens in a new tab)
- git.kernel.org/stable/c/23d3fddddd2bcedb4fd6cec5bef16b1fbb563019 (opens in a new tab)
- git.kernel.org/stable/c/2c8c06c59ed72a42e4d32e222542b582b4911459 (opens in a new tab)
- git.kernel.org/stable/c/45fcdbae679861b90f08964a0c3e9eead3bacd6f (opens in a new tab)
- git.kernel.org/stable/c/7a2d4efea2c41b49db90907c8b6f37f8b63a9f50 (opens in a new tab)