GSD-2023-1000837 perf/x86/intel/uncore: Fix reference count leak in snr_uncore_mmio_map()
A reference count leak in the Intel uncore performance monitoring 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
- None listed
What is GSD-2023-1000837?
GSD-2023-1000837 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/x86/intel/uncore: Fix reference count leak in snr_uncore_mmio_map()
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 v6.0.16 by commit a67146437b6428069b71a7e5e740a2a8e1c40ac9, it was introduced in version v5.3 by commit ee49532b38dd084650bf715eabe7e3828fb8d275. For more details please see the references link.
Which versions are affected by GSD-2023-1000837?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000837?
No fix has been published for GSD-2023-1000837 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-2023-1000837 being exploited?
There is no known exploitation of GSD-2023-1000837 in the wild and no public exploit code.