CVE-2024-38566

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

bpf: Fix verifier assumptions about socket->sk

The verifier assumes that 'sk' field in 'struct socket' is valid and non-NULL when 'socket' pointer itself is trusted and non-NULL. That may not be the case when socket was just created and passed to LSM socket_accept hook. Fix this verifier assumption and adjust tests.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected software

VendorProductVersions
LinuxLinux>= 6fcd486b3a0a628c41f12b3a7329a18a2c74b351, < 39f8a29330f433000e716eefc4b9abda05b71a82; >= 6fcd486b3a0a628c41f12b3a7329a18a2c74b351, < 6f5ae91172a93abac9720ba94edf3ec8f4d7f24f; >= 6fcd486b3a0a628c41f12b3a7329a18a2c74b351, < c58ccdd2483a1d990748cdaf94206b5d5986a001; >= 6fcd486b3a0a628c41f12b3a7329a18a2c74b351, < 0db63c0b86e981a1e97d2596d64ceceba1a5470e
LinuxLinux6.4

References

Timeline

Published
Jun 19, 2024
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2024-38566: Medium severity, CVSS 5.5 | Vulnix