GSD-2023-1001223 perf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init()
A resource leak in the Linux kernel's SMMUv3 PMU driver could lead to memory exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1001223?
GSD-2023-1001223 is a vulnerability in Kernel, published on 17 Jan 2023.
Official description
perf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.86 by commit b131304fe722853cf26e55c4fa21fc58a36e7f21, it was introduced in version v5.2 by commit 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21. For more details please see the references link.
Which versions are affected by GSD-2023-1001223?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001223?
No fix has been published for GSD-2023-1001223 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1001223 being exploited?
There is no known exploitation of GSD-2023-1001223 in the wild and no public exploit code.