CVE-2023-52687

MEDIUM

Linux Kernel - Unchecked Return Value in safexcel dma_map_sg() Error Handling

Title source: llm

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.

References (4)

Core 4

Core References

Patch

https://git.kernel.org/stable/c/4c0ac81a172a69a7733290915276672787e904ec

Patch

https://git.kernel.org/stable/c/8084b788c2fb1260f7d44c032d5124680b20d2b2

Patch

https://git.kernel.org/stable/c/fc0b785802b856566df3ac943e38a072557001c4

Patch

https://git.kernel.org/stable/c/87e02063d07708cac5bfe9fd3a6a242898758ac8

Scores

CVSS v3 5.5

EPSS 0.0023

EPSS Percentile 13.8%

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-252

Status published

Products (11)

Linux/Linux < 6.1

Linux/Linux 49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1 - 4c0ac81a172a69a7733290915276672787e904ec

Linux/Linux 49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1 - 8084b788c2fb1260f7d44c032d5124680b20d2b2

Linux/Linux 49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1 - 87e02063d07708cac5bfe9fd3a6a242898758ac8

Linux/Linux 49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1 - fc0b785802b856566df3ac943e38a072557001c4

Linux/Linux 6.1

Linux/Linux 6.1.75 - 6.1.*

Linux/Linux 6.6.14 - 6.6.*

Linux/Linux 6.7.2 - 6.7.*

Linux/Linux 6.8

... and 1 more

Published May 17, 2024

Tracked Since Feb 18, 2026