High 8.8Published Jul 19, 2026

CVE-2026-63865bpf: Drop task_to_inode and inet_conn_established from lsm sleepable hooks

Updated under an hour ago (Oct 28, 2026, 10:30 PM ET)

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Exploited in the last 30 days

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: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: Aug 5, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 423f16108c9d832bd96059d5c882c8ef6d76eb96 before 452a927cddcd67478d030e646f41cb904a93156f; from 423f16108c9d832bd96059d5c882c8ef6d76eb96 before f0fc2a9828171205244a28013f02889f50b71c9f; 423f16108c9d832bd96059d5c882c8ef6d76eb96 builds before 26b380a3ca0b605fd8860995ed6a208f276dd316; 423f16108c9d832bd96059d5c882c8ef6d76eb96 builds before 0d918263c9bfc86078edb2e2f7302a0c6ce42b7c; 423f16108c9d832bd96059d5c882c8ef6d76eb96 builds before 281f2a214565a5cbf8b7355a65738d80bd19b8c5; from 423f16108c9d832bd96059d5c882c8ef6d76eb96 before 989f1b93907de1753a814996222da375f07e579b; from 423f16108c9d832bd96059d5c882c8ef6d76eb96 before beaf0e96b1da74549a6cabd040f9667d83b2e97e	CNA record
linux linux_kernel linux:linux_kernel	from 5.11 before 5.15.209; from 5.16 before 6.1.175; from 6.2 before 6.6.141; from 6.7 before 6.12.91; from 6.13 before 6.18.33; from 6.19 before 7.0.10	NVD

References

References

https://git.kernel.org/stable/c/452a927cddcd67478d030e646f41cb904a93156f	patch
https://git.kernel.org/stable/c/f0fc2a9828171205244a28013f02889f50b71c9f	patch
https://git.kernel.org/stable/c/26b380a3ca0b605fd8860995ed6a208f276dd316	patch
https://git.kernel.org/stable/c/0d918263c9bfc86078edb2e2f7302a0c6ce42b7c	patch
https://git.kernel.org/stable/c/281f2a214565a5cbf8b7355a65738d80bd19b8c5	patch
https://git.kernel.org/stable/c/989f1b93907de1753a814996222da375f07e579b	patch
https://git.kernel.org/stable/c/beaf0e96b1da74549a6cabd040f9667d83b2e97e	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.