PT-2023-1714 · Linux+2 · Linux Kernel+2

Carlos López · Published 2023-02-19 · Updated 2026-05-26 · CVE-2023-26242

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions through 6.1.12

Description The issue is related to an integer overflow in the afu mmio region get by offset function in the Linux kernel. This function is located in the drivers/fpga/dfl-afu-region.c file. The integer overflow could potentially allow an attacker to execute arbitrary code.

Recommendations For Linux kernel versions through 6.1.12, update to a version that contains a fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

ALT-PU-2023-1331

ALT-PU-2023-1407

ALT-PU-2023-1684

ALT-PU-2023-1741

ALT-PU-2023-1814

ALT-PU-2023-4894

ALT-PU-2024-4263

ALT-PU-2024-4843

AZL-13743

BDU:2023-01292

CVE-2023-26242

ECHO-7015-E82C-6AA1

Affected Products

Alt Linux

Debian

Linux Kernel

References · 23

• https://osv.dev/vulnerability/CVE-2023-26242 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2023-26242 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-01292 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2023-26242 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-26242 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2404-CVE-2023-26242 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2023-26242 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-26242 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-26242 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-26242 · Security Note
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-13-CVE-2023-26242 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-13743 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2023-26242 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-26242 · Security Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-26242 · Note