CVE-2023-52646

MEDIUM

Linux Kernel 3.19-4.14.305 - NULL Pointer Dereference in AIO Ring Remapping

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: aio: fix mremap after fork null-deref Commit e4a0d3e720e7 ("aio: Make it possible to remap aio ring") introduced a null-deref if mremap is called on an old aio mapping after fork as mm->ioctx_table will be set to NULL. [[email protected]: fix 80 column issue]

References (7)

Core 7

Scores

CVSS v3 5.5
EPSS 0.0024
EPSS Percentile 14.5%
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-476
Status published
Products (18)
Linux/Linux < 3.19
Linux/Linux 3.19
Linux/Linux 4.14.306 - 4.14.*
Linux/Linux 4.19.273 - 4.19.*
Linux/Linux 5.10.169 - 5.10.*
Linux/Linux 5.15.95 - 5.15.*
Linux/Linux 5.4.232 - 5.4.*
Linux/Linux 6.1.13 - 6.1.*
Linux/Linux 6.2
Linux/Linux e4a0d3e720e7e508749c1439b5ba3aff56c92976 - 178993157e8c50aef7f35d7d6d3b44bb428199e1
... and 8 more
Published Apr 26, 2024
Tracked Since Feb 18, 2026