CVE-2026-63865
Published: July 22, 2026Last modified: July 22, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: bpf: Drop task_to_inode and inet_conn_established from lsm sleepable hooks bpf_lsm_task_to_inode() is called under rcu_read_lock() and bpf_lsm_inet_conn_established() is called from softirq context, so neither hook can be used by sleepable LSM programs.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | CHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.175-r0) |
| 25 LTS | linux-lts | Fixed (6.12.92-r0) | |
| Stream | linux-lts | Fixed (6.18.35-r1) |
References
- https://git.kernel.org/stable/c/0d918263c9bfc86078edb2e2f7302a0c6ce42b7c
- https://git.kernel.org/stable/c/26b380a3ca0b605fd8860995ed6a208f276dd316
- https://git.kernel.org/stable/c/281f2a214565a5cbf8b7355a65738d80bd19b8c5
- https://git.kernel.org/stable/c/452a927cddcd67478d030e646f41cb904a93156f
- https://git.kernel.org/stable/c/989f1b93907de1753a814996222da375f07e579b
- https://git.kernel.org/stable/c/beaf0e96b1da74549a6cabd040f9667d83b2e97e
- https://git.kernel.org/stable/c/f0fc2a9828171205244a28013f02889f50b71c9f