CVE-2023-44466
High
Description
An issue was discovered in net/ceph/messenger_v2.c in the Linux kernel before 6.4.5. There is an integer signedness error, leading to a buffer overflow and remote code execution via HELLO or one of the AUTH frames. This occurs because of an untrusted length taken from a TCP packet in ceph_decode_32.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Linux Kernel
PublishedSep 29, 2023
First seenSep 29, 2023
How to fix
Update
- linux linux_kernel5.15.121, 6.1.40, 6.4.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.11 ≤ v < 5.15.121, 5.16 ≤ v < 6.1.40, 6.2 ≤ v < 6.4.5 | 5.15.121, 6.1.40, 6.4.5 |
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