---
cve: "CVE-2020-27825"
severity: "LOW"
cvss: 3.1
epss: "0.3%"
vendor: "n/a"
kev: false
exploited: false
published: "2020-12-11 19:15:12"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-21T00:04:15+02:00"
---

# CVE-2020-27825

> 3.1 LOW

## Beschreibung

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.

## Referenzen

- <https://bugzilla.redhat.com/show_bug.cgi?id=1905155>
- <https://www.debian.org/security/2021/dsa-4843>
- <https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html>
- <https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html>
- <https://security.netapp.com/advisory/ntap-20210521-0008/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2020-27825) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_