ALSA: firewire-motu: add bounds check in put_user loop for DSP events
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.2%
exploitation probability
0.2%top 94% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
ALSA: firewire-motu: add bounds check in put_user loop for DSP events
In the DSP event handling code, a put_user() loop copies event data.
When the user buffer size is not aligned to 4 bytes, it could overwrite
beyond the buffer boundary.
Fix by adding a bounds check before put_user().
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/0d71b3c2ed742f1ccb3b0b7a61afb90c0251093fhttps://git.kernel.org/stable/c/298e753880b6ea99ac30df34959a7a03b0878eedhttps://git.kernel.org/stable/c/6d4f17782ce4facf3197e79707df411ee3d7b30ahttps://git.kernel.org/stable/c/8f9e51cf2a2a43d0cd72d3dc0b5ccea3f639c187https://git.kernel.org/stable/c/df692cf2b601a54b34edfdb9e683d67483aa8ce1https://git.kernel.org/stable/c/ea2c921d9de6e32ca50cb817b9d57bb881be70de