In the Linux kernel, the following vulnerability has been resolved:
crypto: null - Use spin lock instead of mutex
As the null algorithm may be freed in softirq context through af_alg, use spin locks instead of mutexes to protect the default null algorithm.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 4.2 | 5.4.293 |
| linux / linux_kernel | 5.5 | 5.10.237 |
| linux / linux_kernel | 5.11 | 5.15.181 |
| linux / linux_kernel | 5.16 | 6.1.136 |
| linux / linux_kernel | 6.2 | 6.6.89 |
| linux / linux_kernel | 6.7 | 6.12.26 |
| linux / linux_kernel | 6.13 | 6.14.5 |
| debian / debian_linux | 11.0 | 11.0.x |