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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-52450
HistoryFeb 22, 2024 - 5:15 p.m.

CVE-2023-52450

2024-02-2217:15:08
Debian Security Bug Tracker
security-tracker.debian.org
9
linux kernel
vulnerability
null pointer dereference
uncore
logical socket id
out-of-bound access
upi_fill_topology
cve-2023-52450
unix

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

AI Score

6.8

Confidence

Low

EPSS

0

Percentile

5.1%

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()

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

AI Score

6.8

Confidence

Low

EPSS

0

Percentile

5.1%