A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2020-12-11T17:13:31

Updated: 2024-08-04T16:25:43.895Z

Reserved: 2020-10-27T00:00:00

Link: CVE-2020-27825

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-12-11T19:15:12.607

Modified: 2023-11-07T03:21:02.433

Link: CVE-2020-27825

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-10-06T01:00:00Z

Links: CVE-2020-27825 - Bugzilla