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.

Classification

CVE ID: CVE-2023-52687

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 17.81% (scored less or equal to compared to others)

EPSS Date: 2025-02-03 (when was this score calculated)

References

https://git.kernel.org/stable/c/4c0ac81a172a69a7733290915276672787e904ec
https://git.kernel.org/stable/c/8084b788c2fb1260f7d44c032d5124680b20d2b2
https://git.kernel.org/stable/c/fc0b785802b856566df3ac943e38a072557001c4
https://git.kernel.org/stable/c/87e02063d07708cac5bfe9fd3a6a242898758ac8

Timeline