CVE-2024-27402

phonet/pep: fix racy skb_queue_empty() use

MEDIUM

5.8

CVSS Score

Published: May 17, 2024 at 11:40 AM UTC

Updated: June 17, 2026 at 07:19 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.8

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: phonet/pep: fix racy skb_queue_empty() use The receive queues are protected by their respective spin-lock, not the socket lock. This could lead to skb_peek() unexpectedly returning NULL or a pointer to an already dequeued socket buffer.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

2.6.28 ≤ v < 5.15.1812.6.28 ≤ v < 6.1.802.6.28 ≤ v < 6.6.192.6.28 ≤ v < 6.7.72.6.28 ≤ v < 6.85.16 ≤ v < 6.1.806.2 ≤ v < 6.6.196.7 ≤ v < 6.7.72.6.28 6.8 rc1 6.8 rc2 6.8 rc3 6.8 rc4 6.8 rc59641458d3ec42def729fde64669abf07f3220cd5

Vendor states this is fixed in 0a9f558c72c47472c38c05fcb72c70abb9104277 (fixed)

Vendor states this is fixed in 7d2a894d7f487dcb894df023e9d3014cf5b93fe5 (fixed)

Vendor states this is fixed in 7d3914a477eed92b48c493a8631cc4554ab4fd4f (fixed)

Vendor states this is fixed in 8ef4fcc7014b9f93619851d6b78d6cc2789a4c88 (fixed)

Vendor states this is fixed in 9d5523e065b568e79dfaa2ea1085a5bcf74baf78 (fixed)

Vendor states this is fixed in 2.6.28 (unaffected)

Vendor states this is fixed in 5.15.181 (unaffected)

Vendor states this is fixed in 6.1.80 (unaffected)

Vendor states this is fixed in 6.6.19 (unaffected)

Vendor states this is fixed in 6.7.7 (unaffected)

Vendor states this is fixed in 6.8 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references