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Vulnerability record · CVE-2026-63865 · published 19 July 2026

CVE-2026-63865: In the Linux kernel, the following vulnerability has been resolved: bpf: Drop task_to_inode and inet_conn_est…

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.

8.8 CVSS 3.1 High EPSS 0.13% · top 98.0% Awaiting Analysis
8.8CVSS 3.1 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
7References
27 Jul 2026Last modified by NVD

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

References

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Source: NIST National Vulnerability Database (record CVE-2026-63865), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.