CVE-2026-63865
HIGH severity · CVSS 8.8
8.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/0d918263c9bfc86078edb2e2f7302a0c6ce42b7c ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/0d918263c9bfc86078edb2e2f7302a0c6ce42b7cPatch
- https://git.kernel.org/stable/c/26b380a3ca0b605fd8860995ed6a208f276dd316Patch
- https://git.kernel.org/stable/c/281f2a214565a5cbf8b7355a65738d80bd19b8c5Patch
- https://git.kernel.org/stable/c/452a927cddcd67478d030e646f41cb904a93156fPatch
- https://git.kernel.org/stable/c/989f1b93907de1753a814996222da375f07e579bPatch
- https://git.kernel.org/stable/c/beaf0e96b1da74549a6cabd040f9667d83b2e97ePatch
- https://git.kernel.org/stable/c/f0fc2a9828171205244a28013f02889f50b71c9fPatch