CVE-2024-53099
Published: November 27, 2024Last modified: November 27, 2024
Description
In the Linux kernel, the following vulnerability has been resolved: bpf: Check validity of link->type in bpf_link_show_fdinfo() If a newly-added link type doesn't invoke BPF_LINK_TYPE(), accessing bpf_link_type_strs[link->type] may result in an out-of-bounds access. To spot such missed invocations early in the future, checking the validity of link->type in bpf_link_show_fdinfo() and emitting a warning when such invocations are missed.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.1 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.124-r0) |
| Stream | linux-lts | Fixed (6.6.62-r0) |
References
- https://git.kernel.org/stable/c/24fec234d2ba9ca3c14e545ebe3fd6dcb47f074d
- https://git.kernel.org/stable/c/4e8074bb33d18f56af30a0252cb3606d27eb1c13
- https://git.kernel.org/stable/c/79f87a6ec39fb5968049a6775a528bf58b25c20a
- https://git.kernel.org/stable/c/8421d4c8762bd022cb491f2f0f7019ef51b4f0a7
- https://git.kernel.org/stable/c/b3eb1b6a9f745d6941b345f0fae014dc8bb06d36
- https://git.kernel.org/stable/c/d5092b0a1aaf35d77ebd8d33384d7930bec5cb5d