Description

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.

Classification

CVE ID: CVE-2023-52669

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 12.38% (scored less or equal to compared to others)

EPSS Date: 2025-02-03 (when was this score calculated)

References

https://git.kernel.org/stable/c/cd51e26a3b89706beec64f2d8296cfb1c34e0c79
https://git.kernel.org/stable/c/a7f580cdb42ec3d53bbb7c4e4335a98423703285
https://git.kernel.org/stable/c/dbc9a791a70ea47be9f2acf251700fe254a2ab23
https://git.kernel.org/stable/c/d68ac38895e84446848b7647ab9458d54cacba3e
https://git.kernel.org/stable/c/e78f1a43e72daf77705ad5b9946de66fc708b874
https://git.kernel.org/stable/c/d07f951903fa9922c375b8ab1ce81b18a0034e3b

Timeline