SB20260918193 - Improper resource shutdown or release in Linux kernel irqchip driver
Published: September 18, 2026
Security Bulletin ID
SB20260918193
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper resource shutdown or release (CVE-ID: CVE-2026-92524)
CWE-ID: CWE-404 - Improper Resource Shutdown or Release
CVSSv4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource cleanup in its_vpe_irq_domain_alloc() when an interrupt allocation fails. A local user can trigger an allocation failure to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/05c199d6b806ed1cc64807062f9986f11315e8ab
- https://git.kernel.org/stable/c/0d1951a1935a11c197272dbd38349033f0ef8991
- https://git.kernel.org/stable/c/325ff3e78c64cd619d52b99f7c8b09a3f31e1495
- https://git.kernel.org/stable/c/6cd7e9b5463e1bceddcaf4acec6ca0f12553455b
- https://git.kernel.org/stable/c/6eb1f1414bf70185dad2525ecac5411db551faa2
- https://git.kernel.org/stable/c/82bccf7f9a12bf0eec9774968f6a853020ea26d3
- https://git.kernel.org/stable/c/c4643bcb3bdda96b7292d6ab6ed196755a5bc304
- https://git.kernel.org/stable/c/d324c4353f64190a032c78d6e07be6d57ddfb2f1