CVE-2023-52669
Published: May 18, 2024Last modified: May 18, 2024
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.81-r0) |
| 25 LTS | linux-lts | Fixed (6.12.41-r0) | |
| Stream | linux-lts | Fixed (6.12.41-r0) |
References
- https://git.kernel.org/stable/c/a7f580cdb42ec3d53bbb7c4e4335a98423703285
- https://git.kernel.org/stable/c/cd51e26a3b89706beec64f2d8296cfb1c34e0c79
- https://git.kernel.org/stable/c/d07f951903fa9922c375b8ab1ce81b18a0034e3b
- https://git.kernel.org/stable/c/d68ac38895e84446848b7647ab9458d54cacba3e
- https://git.kernel.org/stable/c/dbc9a791a70ea47be9f2acf251700fe254a2ab23
- https://git.kernel.org/stable/c/e78f1a43e72daf77705ad5b9946de66fc708b874
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html