CVE-2024-26855
Published: April 18, 2024Last modified: April 18, 2024
Description
In the Linux kernel, the following vulnerability has been resolved: net: ice: Fix potential NULL pointer dereference in ice_bridge_setlink() The function ice_bridge_setlink() may encounter a NULL pointer dereference if nlmsg_find_attr() returns NULL and br_spec is dereferenced subsequently in nla_for_each_nested(). To address this issue, add a check to ensure that br_spec is not NULL before proceeding with the nested attribute iteration.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.82-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/06e456a05d669ca30b224b8ed962421770c1496c
- https://git.kernel.org/stable/c/0e296067ae0d74a10b4933601f9aa9f0ec8f157f
- https://git.kernel.org/stable/c/1a770927dc1d642b22417c3e668c871689fc58b3
- https://git.kernel.org/stable/c/37fe99016b12d32100ce670216816dba6c48b309
- https://git.kernel.org/stable/c/8d95465d9a424200485792858c5b3be54658ce19
- https://git.kernel.org/stable/c/afdd29726a6de4ba27cd15590661424c888dc596
- https://git.kernel.org/stable/c/d9fefc51133107e59d192d773be86c1150cfeebb
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html