CVE-2023-1249
MEDIUMLinux Kernel < 5.18 - Use-After-Free in Core Dump Subsystem
Title source: llmDescription
A use-after-free flaw was found in the Linux kernel’s core dump subsystem. This flaw allows a local user to crash the system. Only if patch 390031c94211 ("coredump: Use the vma snapshot in fill_files_note") not applied yet, then kernel could be affected.
References (2)
Core 2
Core References
Various Sources
https://patchwork.kernel.org/project/linux-fsdevel/patch/87iltzn3nd.fsf_-_%40email.froward.int.ebiederm.org/
Exploit, Third Party Advisory
http://packetstormsecurity.com/files/171912/CentOS-Stream-9-Missing-Kernel-Security-Fix.html
Scores
CVSS v3
5.5
EPSS
0.0035
EPSS Percentile
26.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-416
Status
published
Products (1)
linux/linux_kernel
< 5.18
Published
Mar 23, 2023
Tracked Since
Feb 18, 2026