In the Linux kernel, the following vulnerability has been resolved: ASoC: max9759: fix underflow in speaker_gain_control_put() Check for negative values of “priv->gain” to prevent an out of bounds access. The concern is that these might come from the user via: -> snd_ctl_elem_write_user() -> snd_ctl_elem_write() -> kctl->put()
git.kernel.org/linus/4c907bcd9dcd233da6707059d777ab389dcbd964
git.kernel.org/stable/c/4c907bcd9dcd233da6707059d777ab389dcbd964
git.kernel.org/stable/c/5a45448ac95b715173edb1cd090ff24b6586d921
git.kernel.org/stable/c/71e60c170105d153e34d01766c1e4db26a4b24cc
git.kernel.org/stable/c/a0f49d12547d45ea8b0f356a96632dd503941c1e
git.kernel.org/stable/c/baead410e5db49e962a67fffc17ac30e44b50b7c
git.kernel.org/stable/c/f114fd6165dfb52520755cc4d1c1dfbd447b88b6
ubuntu.com/security/CVE-2022-48717
www.cve.org/CVERecord?id=CVE-2022-48717