CVE-2024-44986
Published: September 5, 2024Last modified: September 5, 2024
Description
In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible UAF in ip6_finish_output2() If skb_expand_head() returns NULL, skb has been freed and associated dst/idev could also have been freed. We need to hold rcu_read_lock() to make sure the dst and associated idev are alive.
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 (6.1.110-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/3574d28caf9a09756ae87ad1ea096c6f47b6101e
- https://git.kernel.org/stable/c/56efc253196751ece1fc535a5b582be127b0578a
- https://git.kernel.org/stable/c/6ab6bf731354a6fdbaa617d1ec194960db61cf3b
- https://git.kernel.org/stable/c/da273b377ae0d9bd255281ed3c2adb228321687b
- https://git.kernel.org/stable/c/e891b36de161fcd96f12ff83667473e5067b9037