SB2026050998 - Expired pointer dereference in Linux kernel rapidio driver
Published: May 9, 2026
Security Bulletin ID
SB2026050998
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) Expired pointer dereference (CVE-ID: CVE-2026-43295)
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a dangling pointer in rio_scan_alloc_net() when handling idtab allocation failures. A local user can trigger the vulnerable error path to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/34a4f233df5eef5f1f113b2196142c0568b387f8
- https://git.kernel.org/stable/c/649c2e853608cad0b0cba545555d168e67f094b3
- https://git.kernel.org/stable/c/666183dcdd9ad3b8156a1df7f204f728f720380f
- https://git.kernel.org/stable/c/78812c4fb7ed242d5961bf1337a49070d6487c94
- https://git.kernel.org/stable/c/83e579c2f7f6b1706323d744833b26470049dcc2
- https://git.kernel.org/stable/c/87272e3e70ec4b666885bd520ff77463c11444ef
- https://git.kernel.org/stable/c/e5a732bfe29451e16abf9c6f07ce5948b22f3d59
- https://git.kernel.org/stable/c/fecf292c6691970897396190855aa38826b7104e