CVE-2026-80596: Linux kernel · Input: ims-pcu – only expose sysfs attributes on control interface
Affects Linux kernelSource GCVE Database
Not known to be exploited · CVSS 8.4 High · fixed in 7.0.0-1014.14~24.04.1 : patch Linux kernel soon.
Data as of 26 Oct 2026, 12:55 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 7.0.0-1014.14~24.04.1, 7.0.0-1017.17~24.04.1, 7.0.0-1016.16~24.04.1 +11
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 28 Aug 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
Upgrade to a fixed release listed under Affected software.
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 patch is available and should be applied to affected linux-hwe-edge kernel versions. The vendor advisory confirms that this issue has been resolved. Users should update to the fixed kernel versions to mitigate this vulnerability.
Description
A vulnerability in the Linux kernel's ims-pcu driver caused sysfs attributes to be exposed on all interfaces bound to the driver, including secondary data interfaces that do not support these attributes. Accessing these unsupported interfaces could lead to unexpected behavior or crashes. The issue was fixed by restricting sysfs attribute exposure only to the primary control interface. This vulnerability affects specific versions of the linux-hwe-edge kernel and has a CVSS score of 8.4, indicating high impact on confidentiality, integrity, and availability. A patch is available to address this issue.
References
- nvd.nist.gov/vuln/detail/CVE-2026-80596 (opens in a new tab)
- git.kernel.org/stable/c/001428ea4d2c371107cb984108e266adf99f1f1e (opens in a new tab)
- git.kernel.org/stable/c/73e6687be0c1c323a8ec5b733f29440a93e08ff2 (opens in a new tab)
- git.kernel.org/stable/c/7d5e7c8d48f0aaeb9ec90a9a4f450f3c5e422431 (opens in a new tab)
- git.kernel.org/stable/c/87e2f89dea078572fb9e13864cec2b1bd8e89b71 (opens in a new tab)
- ubuntu.com/security/CVE-2026-80596 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-80596 (opens in a new tab)
- git.kernel.org/linus/001428ea4d2c371107cb984108e266adf99f1f1e (opens in a new tab)
- ubuntu.com/security/notices/USN-8888-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8889-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8887-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8888-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-8887-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-8887-3 (opens in a new tab)