CVE-2026-31389
In the Linux kernel, the following vulnerability has been resolved: spi: fix use-after-free on controller registration failure Make sure to deregister from driver core also in the unlikely event that per-cpu statistics allocation fails during controller registration to avoid use-after-free (of driver resources) and unclocked register accesses.
- Score
- CVSS 3.1 7.8 High
- Status
- Modified - 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- Published
- 2026-04-03
- Last modified
- 2026-10-19
- Weaknesses
- CWE-416
Affected products
- Linux Kernel (Linux)
- Simatic S7-1500 Cpu 1518-4 Pndp Mfp (Siemens)
- Simatic S7-1500 Cpu 1518f-4 Pndp Mfp (Siemens)
- Siplus S7-1500 Cpu 1518-4 Pndp Mfp (Siemens)
References
- https://git.kernel.org/stable/c/0e23f50086da7d0b183dfeac26021acfcdee086b
- https://git.kernel.org/stable/c/6bbd385b30c7fb6c7ee0669e9ada91490938c051
- https://git.kernel.org/stable/c/afe27c1f43aa57530011f419be6ddf71306565d2
- https://git.kernel.org/stable/c/80f3e8cd2b4ad355b2ad2024cf423f6d183404f7
- https://git.kernel.org/stable/c/23b51bad2eb8787aa74324cfccefb258515ae5ba
- https://git.kernel.org/stable/c/8634e05b08ead636e926022f4a98416e13440df9
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html
