CVE-2023-52687 crypto: safexcel - Add error handling for dma_map_sg() calls

What is CVE-2023-52687?

CVE-2023-52687 is a critical vulnerability in Linux kernel, published on 17 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

crypto: safexcel - Add error handling for dma_map_sg() calls

Macro dma_map_sg() may return 0 on error. This patch enables checks in case of the macro failure and ensures unmapping of previously mapped buffers with dma_unmap_sg().

Found by Linux Verification Center (linuxtesting.org) with static analysis tool SVACE.

Weakness: CWE-252

Which versions are affected by CVE-2023-52687?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-52687?

Apply the vendor's patch.

Is CVE-2023-52687 being exploited?

There is no known exploitation of CVE-2023-52687 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 BELL-CVE-2023-52687, DEBIAN-CVE-2023-52687, GHSA-vx2v-mjff-9hjf, UBUNTU-CVE-2023-52687.