Deadlock in Linux kernel - CVE-2026-93098
Published: September 18, 2026
Vulnerability identifier: #VU150921
CSH Severity: Low
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-93098
CWE-ID: CWE-833
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local privileged user to cause a denial of service.
The vulnerability exists due to a deadlock in GLINK endpoint destruction when detaching an rpmsg driver. A local privileged user can trigger driver detachment to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-93098
Install security update from vendor's repository.
External References
- https://git.kernel.org/stable/c/48f55b90f0d713e477e26b85d7327d9592d016f9
- https://git.kernel.org/stable/c/5a5a48e788e02fd8a8eb7188ce440572d6c12418
- https://git.kernel.org/stable/c/73092c2292aa65515671e54abbcda2166d3827ed
- https://git.kernel.org/stable/c/8597f669a5268e0dcf243e2b2d6ca00370117057
- https://git.kernel.org/stable/c/bbc236357876d35a624030e5c50eedbc380be98e
- https://git.kernel.org/stable/c/cbcdf96e1c87bc07055d04264018ded1f3bafffb
- https://git.kernel.org/stable/c/e559626bee8a6632aafc08eedcdb4bf26ca245c5
- https://git.kernel.org/stable/c/ecad679e2b92c419cc22cc8f257cd457d5192647