SB20260918354 - Use-after-free in Linux kernel omapdrm dss driver
Published: September 18, 2026
Security Bulletin ID
SB20260918354
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use-after-free (CVE-ID: CVE-2026-90316)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 0 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to trigger a use-after-free condition.
The vulnerability exists due to use-after-free in OMAP DSI interrupt service routine table handling when unregistering interrupts while they are being handled. A local user can unregister interrupts during interrupt handling to trigger a use-after-free condition.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2c27a84ba8d1bfed046d0067161d92001605accc
- https://git.kernel.org/stable/c/30810bdf273b4c93f8731b96a7204f33e052180d
- https://git.kernel.org/stable/c/542a6a3ec77cd29f953987f7263f32fb8acb097e
- https://git.kernel.org/stable/c/9063b30faae8ccaacf003735560df3956dbb592f
- https://git.kernel.org/stable/c/97c03b32b28a9f7f13f768f2b06e1eaafe850e66
- https://git.kernel.org/stable/c/b3cbd1451c240446ce170f514244e1cb65ec0de4
- https://git.kernel.org/stable/c/f6733460b6d483dea7bfb5cfceb11cbff31a60b7