SB20260918126 - Deadlock in Linux kernel rpmsg driver
Published: September 18, 2026
Security Bulletin ID
SB20260918126
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Deadlock (CVE-ID: CVE-2026-93098)
CWE-ID: CWE-833 - Deadlock
CVSSv4: 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]
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.
Remediation
Install update from vendor's website.
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