Vulnerability CVE-2023-52687
Published: 2024-05-17

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:
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
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