CVE-2025-68344
Published Dec 24, 2025
Modified Apr 15, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: wavefront: Fix integer overflow in sample size validation The wavefront_send_sample() function has an integer overflow issue when validating sample size. The header->size field is u32 but gets cast to int for comparison with dev->freemem Fix by using unsigned comparison to avoid integer overflow.
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References
Other References
https://git.kernel.org/stable/c/02b63f3bc29265bd9e83191792d200ed563acacf
https://git.kernel.org/stable/c/0c4a13ba88594fd4a27292853e736c6b4349823d
https://git.kernel.org/stable/c/1823e08f76c68b9e1d26f6d5ef831b96f61a62a0
https://git.kernel.org/stable/c/488bf86d60077f52810c60dbdf7468c277880167
https://git.kernel.org/stable/c/4f811071e702fbb74933526e2fbadf8c4ed0c0c4
https://git.kernel.org/stable/c/5588b7c86effffa9bb55383a38800649d7b40778
https://git.kernel.org/stable/c/bca11de0a277b8baeb7d006f93b543c907b6e782
https://git.kernel.org/stable/c/d2f5d8cf1eadb7b33e476f59aa9c6653e4f2b937
Frequently Asked Questions
What is CVE-2025-68344? +
In the Linux kernel, the following vulnerability has been resolved:
ALSA: wavefront: Fix integer overflow in sample size validation
The wavefront_send_sample() function has an integer overflow issue
when validating sample size. The header->size field is u32 but gets
cast to int for comparison with dev->freemem
Fix by using unsigned comparison to avoid integer overflow.
How do I check if I'm vulnerable to CVE-2025-68344? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.