Vulnerability Details : 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 'upi = &type->topology[nid][idx];' line
that leads to NULL pointer dereference in upi_fill_topology()
Vulnerability category: Memory Corruption
Products affected by CVE-2023-52450
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-52450
0.01%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 1 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-52450
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST | 2024-03-18 |
CWE ids for CVE-2023-52450
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-52450
-
https://git.kernel.org/stable/c/bf1bf09e6b599758851457f3999779622a48d015
perf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/3d6f4a78b104c65e4256c3776c9949f49a1b459e
perf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/1692cf434ba13ee212495b5af795b6a07e986ce4
perf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology() - kernel/git/stable/linux.git - Linux kernel stable treePatch
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