Vulnerability 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.
CVSS Score
HIGH
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
FAQ
What is CVE-2026-63865?
CVE-2026-63865 is a vulnerability with a CVSS score of 8.8 (HIGH). 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()...
How severe is CVE-2026-63865?
CVE-2026-63865 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-63865?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.