CVE-2022-29276 Memory corruption in n/a
Attackers can corrupt SMRAM via untrusted inputs in AhciBusDxe SMI functions, potentially leading to privilege escalation or code execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-29276?
CVE-2022-29276 is a high-severity memory corruption vulnerability in n/a, published on 15 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
SMI functions in AhciBusDxe use untrusted inputs leading to corruption of SMRAM. SMI functions in AhciBusDxe use untrusted inputs leading to corruption of SMRAM. This issue was discovered by Insyde during security review. It was fixed in: Kernel 5.0: version 05.09.18 Kernel 5.1: version 05.17.18 Kernel 5.2: version 05.27.18 Kernel 5.3: version 05.36.18 Kernel 5.4: version 05.44.18 Kernel 5.5: version 05.52.18 https://www.insyde.com/security-pledge/SA-2022059
Weakness: CWE-787
Which versions are affected by CVE-2022-29276?
It affects 1 product.
Products include Insyde Kernel.
How do I fix CVE-2022-29276?
No fix has been published for CVE-2022-29276 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-29276 being exploited?
There is no known exploitation of CVE-2022-29276 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-h4mx-3f49-295w.