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

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
https://cert-portal.siemens.com/productcert/html/ssa-398330.html

Configurations

Configuration 1 (hide)

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

History

15 Oct 2026, 01:17

Type	Values Removed	Values Added
References		() https://cert-portal.siemens.com/productcert/html/ssa-398330.html -

Information

Published : 2023-10-29 04:15

Updated : 2026-10-15 01:17

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

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