bpf: Drop task_to_inode and inet_conn_established from lsm sleepable hooks

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-63865
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-19 15:16:53 UTC
Updated2026-07-20 15:16:52 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

EPSS: 0.001610000 probability, percentile 0.056950000 (date 2026-07-20)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary8.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
3.1CNADECLARED8.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 423f16108c9d832bd96059d5c882c8ef6d76eb96 452a927cddcd67478d030e646f41cb904a93156f git Not specified
CNA Linux Linux affected 423f16108c9d832bd96059d5c882c8ef6d76eb96 f0fc2a9828171205244a28013f02889f50b71c9f git Not specified
CNA Linux Linux affected 423f16108c9d832bd96059d5c882c8ef6d76eb96 26b380a3ca0b605fd8860995ed6a208f276dd316 git Not specified
CNA Linux Linux affected 423f16108c9d832bd96059d5c882c8ef6d76eb96 0d918263c9bfc86078edb2e2f7302a0c6ce42b7c git Not specified
CNA Linux Linux affected 423f16108c9d832bd96059d5c882c8ef6d76eb96 281f2a214565a5cbf8b7355a65738d80bd19b8c5 git Not specified
CNA Linux Linux affected 423f16108c9d832bd96059d5c882c8ef6d76eb96 989f1b93907de1753a814996222da375f07e579b git Not specified
CNA Linux Linux affected 423f16108c9d832bd96059d5c882c8ef6d76eb96 beaf0e96b1da74549a6cabd040f9667d83b2e97e git Not specified
CNA Linux Linux affected 5.11 Not specified
CNA Linux Linux unaffected 5.11 semver Not specified
CNA Linux Linux unaffected 5.15.209 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.175 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.141 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.91 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.33 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.10 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/26b380a3ca0b605fd8860995ed6a208f276dd316 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/452a927cddcd67478d030e646f41cb904a93156f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/beaf0e96b1da74549a6cabd040f9667d83b2e97e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f0fc2a9828171205244a28013f02889f50b71c9f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/0d918263c9bfc86078edb2e2f7302a0c6ce42b7c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/281f2a214565a5cbf8b7355a65738d80bd19b8c5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/989f1b93907de1753a814996222da375f07e579b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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