CVE-2024-27396

HIGH

Linux Kernel 4.14.162-4.15 - Use-After-Free in gtp_dellink

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: net: gtp: Fix Use-After-Free in gtp_dellink Since call_rcu, which is called in the hlist_for_each_entry_rcu traversal of gtp_dellink, is not part of the RCU read critical section, it is possible that the RCU grace period will pass during the traversal and the key will be free. To prevent this, it should be changed to hlist_for_each_entry_safe.

References (12)

Core 12
Core References

Scores

CVSS v3 7.8
EPSS 0.0002
EPSS Percentile 5.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (25)
debian/debian_linux 10.0
Linux/Linux < 5.5
Linux/Linux 043a283d24f40fea4c8a8d06b0e2694c8e372200 - 07b20d0a3dc13fb1adff10b60021a4924498da58
Linux/Linux 4.14.162 - 4.15
Linux/Linux 4.19.313 - 4.19.*
Linux/Linux 4.19.93 - 4.19.313
Linux/Linux 5.10.216 - 5.10.*
Linux/Linux 5.15.158 - 5.15.*
Linux/Linux 5.4.275 - 5.4.*
Linux/Linux 5.4.8 - 5.4.275
... and 15 more
Published May 14, 2024
Tracked Since Feb 18, 2026