#VU64830 Resource exhaustion in Linux kernel - CVE-2021-28971

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Main Vulnerability Database Vulnerabilities #VU64830

#VU64830 Resource exhaustion in Linux kernel - CVE-2021-28971

Published: June 30, 2022


Vulnerability identifier: #VU64830
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-28971
CWE-ID: CWE-400
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to mishandling of PEBS status in a PEBS record In intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c in the Linux kernel. A local user can trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links