CVE-2022-48888 drm/msm/dpu: Fix memory leak in msm_mdss_parse_data_bus_icc_path
A memory leak in the Linux kernel's DPU driver can lead to resource exhaustion and denial of service.
- 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-2022-48888?
CVE-2022-48888 is a medium-severity denial of service vulnerability in Linux kernel, published on 21 Aug 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:
drm/msm/dpu: Fix memory leak in msm_mdss_parse_data_bus_icc_path
of_icc_get() alloc resources for path1, we should release it when not need anymore. Early return when IS_ERR_OR_NULL(path0) may leak path1. Defer getting path1 to fix this.
Patchwork: https://patchwork.freedesktop.org/patch/514264/
Weakness: CWE-401
Which versions are affected by CVE-2022-48888?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-48888?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-48888 being exploited?
There is no known exploitation of CVE-2022-48888 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-48888, GHSA-5q4q-m5m5-mr8p, UBUNTU-CVE-2022-48888.