CVE-2023-52687: crypto: safexcel - Add error handling for dma_map_sg() calls
First published: Fri May 17 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.133-1 6.12.21-1 6.12.22-1 |
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Reference Links
- https://git.kernel.org/stable/c/4c0ac81a172a69a7733290915276672787e904ec
- https://git.kernel.org/stable/c/8084b788c2fb1260f7d44c032d5124680b20d2b2
- https://git.kernel.org/stable/c/87e02063d07708cac5bfe9fd3a6a242898758ac8
- https://git.kernel.org/stable/c/fc0b785802b856566df3ac943e38a072557001c4
- https://launchpad.net/bugs/cve/CVE-2023-52687
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52687
- https://nvd.nist.gov/vuln/detail/CVE-2023-52687
- https://security-tracker.debian.org/tracker/CVE-2023-52687
- https://ubuntu.com/security/CVE-2023-52687
- https://git.kernel.org/linus/87e02063d07708cac5bfe9fd3a6a242898758ac8
Frequently Asked Questions
What is the severity of CVE-2023-52687?
CVE-2023-52687 has been classified with a severity level that indicates a significant potential for impact if exploited.
How do I fix CVE-2023-52687?
To address CVE-2023-52687, update your Linux kernel to one of the patched versions such as 5.10.223-1 or 6.12.12-1.
What are the affected versions for CVE-2023-52687?
The affected versions for CVE-2023-52687 include various releases of the Linux kernel prior to the specified patched versions.
What components are impacted by CVE-2023-52687?
CVE-2023-52687 specifically impacts the crypto subsystem of the Linux kernel related to safexcel.
Is CVE-2023-52687 being actively exploited?
As of now, there is no public indication that CVE-2023-52687 is being actively exploited in the wild.
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