CVE-2023-52450
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…
Does this matter?
Lower severity and a low EPSS score (0.26%). Track it; it rarely justifies an emergency change on its own.
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()
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.26% probability · 17th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/1692cf434ba13ee212495b5af795b6a07e986ce4Patch
- https://git.kernel.org/stable/c/3d6f4a78b104c65e4256c3776c9949f49a1b459ePatch
- https://git.kernel.org/stable/c/bf1bf09e6b599758851457f3999779622a48d015Patch
- https://git.kernel.org/stable/c/1692cf434ba13ee212495b5af795b6a07e986ce4Patch
- https://git.kernel.org/stable/c/3d6f4a78b104c65e4256c3776c9949f49a1b459ePatch
- https://git.kernel.org/stable/c/bf1bf09e6b599758851457f3999779622a48d015Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.