CVE-2022-40476
MEDIUMLinux Kernel < 5.15.62 - Null Pointer Dereference in io_uring
Title source: llmDescription
A null pointer dereference issue was discovered in fs/io_uring.c in the Linux kernel before 5.15.62. A local user could use this flaw to crash the system or potentially cause a denial of service.
References (3)
Core 3
Core References
Mailing List x_refsource_misc
https://lore.kernel.org/lkml/CAO4S-mdVW5GkODk0+vbQexNAAJZopwzFJ9ACvRCJ989fQ4A6Ow%40mail.gmail.com/
Patch, Vendor Advisory x_refsource_misc
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/fs/io_uring.c?h=v5.15.61&id=3746d62ecf1c872a520c4866118edccb121c44fd
Release Notes, Vendor Advisory x_refsource_misc
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.62
Scores
CVSS v3
5.5
EPSS
0.0030
EPSS Percentile
21.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (1)
linux/linux_kernel
< 5.15.62
Published
Sep 14, 2022
Tracked Since
Feb 18, 2026