Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Fix a crash due to incorrect cleanup usage of kfree Annotating a local pointer variable, which will be assigned with the kmalloc-family functions, with the `__cleanup(kfree)` attribute will make the address of the local variable, rather than the address returned by kmalloc, passed to kfree directly and lead to a crash due to invalid deallocation of stack address. According to other places in the repo, the correct usage should be `__free(kfree)`. The code coincidentally compiled because the parameter type `void *` of kfree is compatible with the desired type `struct { ... } **`.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.17, < 6.18.14 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/90f9090e3e744a8fe3bb6fa0e61f577347728b0bPatch
- https://git.kernel.org/stable/c/9a3ace9b010ffd8c422c97844ae152f7c53d6b18Patch
- https://git.kernel.org/stable/c/d5abcc33ee76bc26d58b39dc1a097e43a99dd438Patch
FAQ
What is CVE-2026-45959?
CVE-2026-45959 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Fix a crash due to incorrect cleanup usage of kfree Annotating a local pointer variable, which will be assigned with...
How severe is CVE-2026-45959?
CVE-2026-45959 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-45959?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.