CVE-2024-47710: sock_map: Add a cond_resched() in sock_hash_free()

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-10-21 · updated 2026-10-15

Description

In the Linux kernel, the following vulnerability has been resolved: sock_map: Add a cond_resched() in sock_hash_free() Several syzbot soft lockup reports all have in common sock_hash_free() If a map with a large number of buckets is destroyed, we need to yield the cpu when needed.

Affected products

Linux kernel: from 5.4.49 before 5.5; from 5.7.6 before 5.8; from 5.8 before 5.10.227; from 5.11 before 5.15.168; from 5.16 before 6.1.113; from 6.2 before 6.6.54 — fixed in 5.10.227, 5.15.168, 5.5, 5.8, 6.1.113, 6.10.13

How to fix

Upgrade to a fixed version: Linux kernel 5.10.227, 5.15.168, 5.5, 5.8. Check the vendor advisory for mitigations.

References

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