Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2023-52859

Severity CVSS v4.0:
Pending analysis
Type:
CWE-416 Use After Free
Publication date:
21/05/2024
Last modified:
14/01/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> perf: hisi: Fix use-after-free when register pmu fails<br /> <br /> When we fail to register the uncore pmu, the pmu context may not been<br /> allocated. The error handing will call cpuhp_state_remove_instance()<br /> to call uncore pmu offline callback, which migrate the pmu context.<br /> Since that&amp;#39;s liable to lead to some kind of use-after-free.<br /> <br /> Use cpuhp_state_remove_instance_nocalls() instead of<br /> cpuhp_state_remove_instance() so that the notifiers don&amp;#39;t execute after<br /> the PMU device has been failed to register.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.80
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.13 (including) 5.15.139 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.16 (including) 6.1.63 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.2 (including) 6.5.12 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.6 (including) 6.6.2 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools