CVE-2026-63865

bpf: Drop task_to_inode and inet_conn_established from lsm sleepable hooks

State: Published
Severity: 8.8 High
Published: Jul 19, 2026
Updated: Aug 5, 2026
Reserved: Jul 19, 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.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	423f16108c9d832bd96059d5c882c8ef6d76eb96 to before 452a927cddcd67478d030e646f41cb904a93156fAffected 423f16108c9d832bd96059d5c882c8ef6d76eb96 to before f0fc2a9828171205244a28013f02889f50b71c9fAffected 423f16108c9d832bd96059d5c882c8ef6d76eb96 to before 26b380a3ca0b605fd8860995ed6a208f276dd316Affected 423f16108c9d832bd96059d5c882c8ef6d76eb96 to before 0d918263c9bfc86078edb2e2f7302a0c6ce42b7cAffected 423f16108c9d832bd96059d5c882c8ef6d76eb96 to before 281f2a214565a5cbf8b7355a65738d80bd19b8c5Affected 423f16108c9d832bd96059d5c882c8ef6d76eb96 to before 989f1b93907de1753a814996222da375f07e579bAffected 423f16108c9d832bd96059d5c882c8ef6d76eb96 to before beaf0e96b1da74549a6cabd040f9667d83b2e97eAffected
LinuxLinux	5.11Affected before 5.11Not affected 5.15.209 through 5.15.Not affected 6.1.175 through 6.1.Not affected 6.6.141 through 6.6.Not affected 6.12.91 through 6.12.Not affected 6.18.33 through 6.18.Not affected 7.0.10 through 7.0.Not affected 7.1 and laterNot affected

Product

Versions

LinuxLinux

423f16108c9d832bd96059d5c882c8ef6d76eb96 to before 452a927cddcd67478d030e646f41cb904a93156fAffected
423f16108c9d832bd96059d5c882c8ef6d76eb96 to before f0fc2a9828171205244a28013f02889f50b71c9fAffected
423f16108c9d832bd96059d5c882c8ef6d76eb96 to before 26b380a3ca0b605fd8860995ed6a208f276dd316Affected
423f16108c9d832bd96059d5c882c8ef6d76eb96 to before 0d918263c9bfc86078edb2e2f7302a0c6ce42b7cAffected
423f16108c9d832bd96059d5c882c8ef6d76eb96 to before 281f2a214565a5cbf8b7355a65738d80bd19b8c5Affected
423f16108c9d832bd96059d5c882c8ef6d76eb96 to before 989f1b93907de1753a814996222da375f07e579bAffected
423f16108c9d832bd96059d5c882c8ef6d76eb96 to before beaf0e96b1da74549a6cabd040f9667d83b2e97eAffected

LinuxLinux

5.11Affected
before 5.11Not affected
5.15.209 through 5.15.*Not affected
6.1.175 through 6.1.*Not affected
6.6.141 through 6.6.*Not affected
6.12.91 through 6.12.*Not affected
6.18.33 through 6.18.*Not affected
7.0.10 through 7.0.*Not affected
7.1 and laterNot affected

References

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