CVE-2023-52450

perf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology()

Description

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology() Get logical socket id instead of physical id in discover_upi_topology() to avoid out-of-bound access on 'upi = &type->topology[nid][idx];' line that leads to NULL pointer dereference in upi_fill_topology()

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/bf1bf09e6b599758851457f3999779622a48d015 patch
https://git.kernel.org/stable/c/3d6f4a78b104c65e4256c3776c9949f49a1b459e patch
https://git.kernel.org/stable/c/1692cf434ba13ee212495b5af795b6a07e986ce4 patch

Frequently Asked Questions

What is the severity of CVE-2023-52450?
CVE-2023-52450 has been scored as a medium severity vulnerability.
How to fix CVE-2023-52450?
To fix CVE-2023-52450, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-52450 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-52450 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-52450?
CVE-2023-52450 affects Linux Linux, Linux Linux.
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