CVE-2026-31405: linux-azure-6.17, linux-gcp-6.17, linux-hwe-6.17, linux-oem-6.17, linux-realtime-6.17 vulnerabilities
Affects Linux kernelSource GCVE Database
Not known to be exploited · fixed in 6.17.0-1022.22 : patch Linux kernel soon.
Data as of 6 Nov 2026, 14:53 UTC
Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD
- Patch
- Available – fixed in 6.17.0-1022.22, 6.17.0-1022.25, 6.17.0-42.42 +2
Exploitation evidence
Disclosed: evidence found.
CVE published 12 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: 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 6 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Patches and advisories
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 24.04 LTSlinux-azure-6.17pkg:deb/ubuntu/linux-azure-6.17?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-gcp-6.17pkg:deb/ubuntu/linux-gcp-6.17?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-hwe-6.17pkg:deb/ubuntu/linux-hwe-6.17?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-oem-6.17pkg:deb/ubuntu/linux-oem-6.17?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu Pro Realtime 24.04 LTSlinux-realtime-6.17pkg:deb/ubuntu/linux-realtime-6.17?arch=source&distro=realtime/nobleOther 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 patch is available and users should update to the fixed kernel versions as listed by Ubuntu (e.g., 6.17.0-1022.22, 6.17.0-1022.25, 6.17.0-42.42, 6.17.0-1032.32, 6.17.0-1019.22). After updating, a system reboot is required to apply changes. Due to an ABI change, all third-party kernel modules must be recompiled and reinstalled. Standard system upgrades will handle this unless kernel metapackages were manually removed.
Description
Multiple security vulnerabilities were discovered in the Linux kernel affecting various subsystems including architecture, drivers, networking protocols, and memory management. These flaws could potentially allow an attacker to compromise the system. The issues have been addressed in updated kernel versions, and users are advised to apply these updates and reboot their systems. Due to an ABI change, recompilation of third-party kernel modules is required after updating.
References
- ubuntu.com/security/notices/USN-8636-1 (opens in a new tab)
- ubuntu.com/security/CVE-2026-31405 (opens in a new tab)
- ubuntu.com/security/CVE-2026-31414 (opens in a new tab)
- ubuntu.com/security/CVE-2026-31501 (opens in a new tab)
- ubuntu.com/security/CVE-2026-31589 (opens in a new tab)
- ubuntu.com/security/CVE-2026-31633 (opens in a new tab)
- ubuntu.com/security/CVE-2026-31636 (opens in a new tab)
- ubuntu.com/security/CVE-2026-31705 (opens in a new tab)
- ubuntu.com/security/CVE-2026-43198 (opens in a new tab)
- ubuntu.com/security/CVE-2026-43379 (opens in a new tab)
- ubuntu.com/security/CVE-2026-43465 (opens in a new tab)
- ubuntu.com/security/CVE-2026-43499 (opens in a new tab)
- ubuntu.com/security/CVE-2026-46113 (opens in a new tab)
- ubuntu.com/security/CVE-2026-46137 (opens in a new tab)
- ubuntu.com/security/CVE-2026-46242 (opens in a new tab)
- ubuntu.com/security/CVE-2026-46331 (opens in a new tab)
- ubuntu.com/security/CVE-2026-52924 (opens in a new tab)
- ubuntu.com/security/CVE-2026-52989 (opens in a new tab)
- ubuntu.com/security/CVE-2026-53086 (opens in a new tab)
- ubuntu.com/security/CVE-2026-53131 (opens in a new tab)