GSD-2023-1000839 perf/x86/intel/uncore: Fix reference count leak in sad_cfg_iio_topology()
A reference count leak in the Linux kernel's 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-2023-1000839?
GSD-2023-1000839 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 sad_cfg_iio_topology()
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 024ceaa2b571dabf645c1561f1af1d8f76ded3f9, it was introduced in version v5.14 by commit c1777be3646b48f6638d8339ad270a27659adaa4. For more details please see the references link.
Which versions are affected by GSD-2023-1000839?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000839?
No fix has been published for GSD-2023-1000839 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-2023-1000839 being exploited?
There is no known exploitation of GSD-2023-1000839 in the wild and no public exploit code.