CVE-2025-68344
ALSA: wavefront: Fix integer overflow in sample size validation
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
24 Dec 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/02b63f3bc29265bd9e83191792d200ed563acacfhttps://git.kernel.org/stable/c/0c4a13ba88594fd4a27292853e736c6b4349823dhttps://git.kernel.org/stable/c/1823e08f76c68b9e1d26f6d5ef831b96f61a62a0https://git.kernel.org/stable/c/488bf86d60077f52810c60dbdf7468c277880167https://git.kernel.org/stable/c/4f811071e702fbb74933526e2fbadf8c4ed0c0c4https://git.kernel.org/stable/c/5588b7c86effffa9bb55383a38800649d7b40778https://git.kernel.org/stable/c/bca11de0a277b8baeb7d006f93b543c907b6e782https://git.kernel.org/stable/c/d2f5d8cf1eadb7b33e476f59aa9c6653e4f2b937