CVE-2026-63865

high

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.

References

https://git.kernel.org/stable/c/f0fc2a9828171205244a28013f02889f50b71c9f

https://git.kernel.org/stable/c/beaf0e96b1da74549a6cabd040f9667d83b2e97e

https://git.kernel.org/stable/c/989f1b93907de1753a814996222da375f07e579b

https://git.kernel.org/stable/c/452a927cddcd67478d030e646f41cb904a93156f

https://git.kernel.org/stable/c/281f2a214565a5cbf8b7355a65738d80bd19b8c5

https://git.kernel.org/stable/c/26b380a3ca0b605fd8860995ed6a208f276dd316

https://git.kernel.org/stable/c/0d918263c9bfc86078edb2e2f7302a0c6ce42b7c

Details

Source: Mitre, NVD

Published: 2026-07-19

Updated: 2026-07-20

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00161