Missing Release of Resource after Effective Lifetime in Linux kernel - CVE-2026-90352
Published: September 18, 2026
Vulnerability details
The vulnerability allows a local privileged user to cause a resource leak.
The vulnerability exists due to failure to release a resource in the mt7915 PCI probe routine when IRQ vector allocation or primary IRQ request setup fails. A local privileged user can initiate probing of an mt7915 PCI device under an IRQ setup failure condition to cause a resource leak.
Affected software
Debian Linux
SUSE Linux Micro Extras
SUSE Linux Micro
Ubuntu
linux (Ubuntu package)
linux-oracle (Ubuntu package)
linux-gcp (Ubuntu package)
linux-aws (Ubuntu package)
linux-ibm (Ubuntu package)
linux-hwe-7.0 (Ubuntu package)
linux-oem-7.0 (Ubuntu package)
kernel-64kb
kernel-default-devel-debuginfo
kernel-default-debugsource
kernel-obs-build-debugsource
kernel-obs-build
kernel-syms
kernel-default-devel
kernel-64kb-devel
kernel-64kb-debugsource
kernel-default
linux (Debian package)
How to mitigate CVE-2026-90352
linux-oracle (Ubuntu package) - update to 7.0.0-1015.16
linux-gcp (Ubuntu package) - update to 7.0.0-1016.18
linux-aws (Ubuntu package) - update to 7.0.0-1016.17
linux-ibm (Ubuntu package) - update to 7.0.0-1017.17
linux-hwe-7.0 (Ubuntu package) - update to 7.0.0-42.42~24.04.1
linux-oem-7.0 (Ubuntu package) - update to 7.0.0-1017.17
kernel-64kb - update to 6.4.0-159998.55.1
kernel-default-devel-debuginfo - update to 6.4.0-159998.55.1
kernel-default-debugsource - update to 6.4.0-159998.55.1
kernel-obs-build-debugsource - update to 6.4.0-159998.55.1
kernel-obs-build - update to 6.4.0-159998.55.1
kernel-syms - update to 6.4.0-159998.55.1
kernel-default-devel - update to 6.4.0-159998.55.1
kernel-64kb-devel - update to 6.4.0-159998.55.1
kernel-64kb-debugsource - update to 6.4.0-159998.55.1
kernel-default - update to 6.4.0-159998.55.1
linux (Debian package) - update to 6.12.111-1
External References
- https://git.kernel.org/stable/c/2a434d2637b9c9be9bcc8a84dc46880cc1446643
- https://git.kernel.org/stable/c/5c30a6350a300fbb800831f1b4373b2f59e03410
- https://git.kernel.org/stable/c/8370aebd26a9dfa2e0de665e3ab504c0e97ee730
- https://git.kernel.org/stable/c/8a2e38019846da29a112fac4dd96fe5bfa298faf
- https://git.kernel.org/stable/c/ed5cc46a3c8f4fe7f549c661914d8d835169acc0
- https://git.kernel.org/stable/c/fb9c7b4c238b4e5469a11a1fb8cf332f6193b995