CVE-2023-52687

MEDIUM5.5

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

Published May 17, 2024

Modified 8 months ago

No fix available

Details

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

WEBhttps://git.kernel.org/stable/c/4c0ac81a172a69a7733290915276672787e904ec WEBhttps://git.kernel.org/stable/c/8084b788c2fb1260f7d44c032d5124680b20d2b2 WEBhttps://git.kernel.org/stable/c/87e02063d07708cac5bfe9fd3a6a242898758ac8 WEBhttps://git.kernel.org/stable/c/fc0b785802b856566df3ac943e38a072557001c4 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2023-52687

CVSS Analysis

CVSS v3.1

5.5

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

5.5/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Ecosystems

Timeline

PublishedMay 17, 2024

ModifiedMay 4, 2025

CVE-2023-52687 | Mondoo Vulnerability Intelligence