CVE-2023-46862

An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit, an io_uring/fdinfo.c io_uring_show_fdinfo NULL pointer dereference can occur.

CVSS v3 4.7 MEDIUM

4.7^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.0 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://bugzilla.kernel.org/show_bug.cgi?id=218032#c4	Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb46	Patch
https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
https://bugzilla.kernel.org/show_bug.cgi?id=218032#c4	Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb46	Patch
https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

History

21 Nov 2024, 08:29

Type	Values Removed	Values Added
References	~~() https://bugzilla.kernel.org/show_bug.cgi?id=218032#c4 - Issue Tracking, Patch, Third Party Advisory~~	() https://bugzilla.kernel.org/show_bug.cgi?id=218032#c4 - Issue Tracking, Patch, Third Party Advisory
References	~~() https://github.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb46 - Patch~~	() https://github.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb46 - Patch
References	~~() https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html -~~	() https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html -

11 Jan 2024, 21:15

Type	Values Removed	Values Added
References		() https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html -

08 Nov 2023, 01:57

Type	Values Removed	Values Added
First Time		Linux Linux linux Kernel
CPE		cpe:2.3:o:linux:linux_kernel::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 4.7
References	~~(MISC) https://bugzilla.kernel.org/show_bug.cgi?id=218032#c4 -~~	(MISC) https://bugzilla.kernel.org/show_bug.cgi?id=218032#c4 - Issue Tracking, Patch, Third Party Advisory
References	~~(MISC) https://github.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb46 -~~	(MISC) https://github.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb46 - Patch
CWE		CWE-476

29 Oct 2023, 04:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-10-29 04:15

Updated : 2024-11-21 08:29

NVD link : CVE-2023-46862

Mitre link : CVE-2023-46862

CVE.ORG link : CVE-2023-46862

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

4.7 /10