CVE-2023-52687

low-risk
Published 2024-05-17

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.

Do I need to act?

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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (8)

Patch https://git.kernel.org/stable/c/4c0ac81a172a69a7733290915276672787e904ec
Patch https://git.kernel.org/stable/c/8084b788c2fb1260f7d44c032d5124680b20d2b2
Patch https://git.kernel.org/stable/c/87e02063d07708cac5bfe9fd3a6a242898758ac8
Patch https://git.kernel.org/stable/c/fc0b785802b856566df3ac943e38a072557001c4
Patch https://git.kernel.org/stable/c/4c0ac81a172a69a7733290915276672787e904ec
Patch https://git.kernel.org/stable/c/8084b788c2fb1260f7d44c032d5124680b20d2b2
Patch https://git.kernel.org/stable/c/87e02063d07708cac5bfe9fd3a6a242898758ac8
Patch https://git.kernel.org/stable/c/fc0b785802b856566df3ac943e38a072557001c4
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal