GSD-2023-1001519 perf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init()
A memory leak in the Linux Kernel SMMUv3 PMU driver can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1001519?
GSD-2023-1001519 is a memory corruption vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
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 v5.10.163 by commit 359286f886feef38536eaa7e673dc3440f03b0a1, it was introduced in version v5.2 by commit 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21. For more details please see the references link.
Which versions are affected by GSD-2023-1001519?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001519?
No fix has been published for GSD-2023-1001519 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 GSD-2023-1001519 being exploited?
There is no known exploitation of GSD-2023-1001519 in the wild and no public exploit code.