PT-2023-7579 · Linux+4 · Linux Kernel+4

Jann Horn · Published 2023-11-24 · Updated 2024-11-21 · CVE-2023-6560

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An out-of-bounds memory access flaw was found in the io uring SQ/CQ rings functionality. This issue could allow a local user to crash the system. The flaw is related to the io uaddr map() function and is associated with a pointer offset beyond the allocated memory boundary, which could lead to a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Memory Corruption

Out of bounds Read

Weakness Enumeration

CWE-119

CWE-823

CWE-787

CWE-125

Related Identifiers

ALT-PU-2024-14046

ALT-PU-2024-6818

AZL-32173

BDU:2023-08635

CVE-2023-6560

USN-6680-1

USN-6680-2

USN-6680-3

Affected Products

Alt Linux

Astra Linux

Linuxmint

Linux Kernel

Ubuntu

References · 39

• https://ubuntu.com/security/CVE-2023-46343 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-6121 · Vendor Advisory
• https://patchwork.kernel.org/project/io-uring/patch/[e-mail] · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-6560 · Security Note
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/AU4NHBDEDLRW33O76Y6LFECEYNQET5GZ · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-6560 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6680-3 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-51779 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6680-3 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se81-bulletin-20241206SE81 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-08635 · Security Note
• https://ubuntu.com/security/CVE-2023-51782 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-6560 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-6560 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-6560 · Security Note