CVE-2023-26242 Integer overflow in n/a

What is CVE-2023-26242?

CVE-2023-26242 is a high-severity vulnerability in Linux kernel, published on 21 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

afu_mmio_region_get_by_offset in drivers/fpga/dfl-afu-region.c in the Linux kernel through 6.1.12 has an integer overflow.

Weakness: CWE-190

Which versions are affected by CVE-2023-26242?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-26242?

Apply the vendor's patch.

Is CVE-2023-26242 being exploited?

There is no known exploitation of CVE-2023-26242 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-13743, DEBIAN-CVE-2023-26242, GHSA-gcf4-543f-pp2q, ROOT-OS-DEBIAN-11-CVE-2023-26242, ROOT-OS-DEBIAN-12-CVE-2023-26242, ROOT-OS-DEBIAN-13-CVE-2023-26242 and 3 more.