CVE-2022-36648 Null dereference in n/a
A null pointer dereference in QEMU's rocker device model allows guest users to crash the host or potentially execute code, though validity is disputed.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-36648?
CVE-2022-36648 is a critical vulnerability in Qemu Qemu, published on 22 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier, allows remote attackers to crash the host qemu and potentially execute code on the host via execute a malformed program in the guest OS. Note: This has been disputed by multiple third parties as not a valid vulnerability due to the rocker device not falling within the virtualization use case.
Weakness: CWE-476
Which versions are affected by CVE-2022-36648?
It affects 1 product.
Products include Qemu Qemu.
How do I fix CVE-2022-36648?
Apply the vendor's patch.
Is CVE-2022-36648 being exploited?
There is no known exploitation of CVE-2022-36648 in the wild and no public exploit code.
Other vulnerabilities in Qemu Qemu
Sources
Also known as AZL-28069, AZL-35162, DEBIAN-CVE-2022-36648, GHSA-4xpq-qfh7-r9h2, OESA-2026-3046, OESA-2026-3101 and 2 more.