In the Linux kernel, the following vulnerability has been resolved:
crypto: s390/aes - Fix buffer overread in CTR mode
When processing the last block, the s390 ctr code will always read a whole block, even if there isn't a whole block of data left. Fix this by using the actual length left and copy it into a buffer first for processing.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 3.0 | 5.10.210 |
| linux / linux_kernel | 5.11 | 5.15.149 |
| linux / linux_kernel | 5.16 | 6.1.76 |
| linux / linux_kernel | 6.2 | 6.6.15 |
| linux / linux_kernel | 6.7 | 6.7.3 |
| debian / debian_linux | 10.0 | 10.0.x |