CVE-2022-48717 ASoC: max9759: fix underflow in speaker_gain_control_put()
A local attacker can trigger an integer underflow in the max9759 audio driver, leading to out-of-bounds memory access and potential privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-48717?
CVE-2022-48717 is a high-severity vulnerability in Linux kernel, published on 20 Jun 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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()
Weakness: CWE-787
Which versions are affected by CVE-2022-48717?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-48717?
Apply the vendor's patch.
Is CVE-2022-48717 being exploited?
There is no known exploitation of CVE-2022-48717 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-48717, GHSA-8w39-2g8c-h8rg, UBUNTU-CVE-2022-48717.