CVE-2023-52436
Published: February 22, 2024Last modified: February 22, 2024
Description
In the Linux kernel, the following vulnerability has been resolved: f2fs: explicitly null-terminate the xattr list When setting an xattr, explicitly null-terminate the xattr list. This eliminates the fragile assumption that the unused xattr space is always zeroed.
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 (6.1.74-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/12cf91e23b126718a96b914f949f2cdfeadc7b2a
- https://git.kernel.org/stable/c/16ae3132ff7746894894927c1892493693b89135
- https://git.kernel.org/stable/c/2525d1ba225b5c167162fa344013c408e8b4de36
- https://git.kernel.org/stable/c/32a6cfc67675ee96fe107aeed5af9776fec63f11
- https://git.kernel.org/stable/c/3e47740091b05ac8d7836a33afd8646b6863ca52
- https://git.kernel.org/stable/c/5de9e9dd1828db9b8b962f7ca42548bd596deb8a
- https://git.kernel.org/stable/c/e26b6d39270f5eab0087453d9b544189a38c8564
- https://git.kernel.org/stable/c/f6c30bfe5a49bc38cae985083a11016800708fea
- https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html