High severity · published Dec 3, 2020
CVE-2020-14351
A flaw was found in the Linux kernel
7.8
CVSS
0.3%
EPSS
No
On KEV
Description
A flaw was found in the Linux kernel. A use-after-free memory flaw was found in the perf subsystem allowing a local attacker with permission to monitor perf events to corrupt memory and possibly escalate privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
before 5.8.17 · source: NVD
DL
Debian Linux · Debian
9.0 · source: NVD
EL
Enterprise Linux · Redhat
7.0; 8.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-14351
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-14351
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1862849
Mailing List
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
Mailing List
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
More from Kernel
9.8
CVE-2025-39682
tls: fix handling of zero-length records on the rx_list
8.8
CVE-2026-53266
netfilter: bridge: make ebt_snat ARP rewrite writable
8.8
CVE-2013-6282
Linux Kernel Improper Input Validation Vulnerability
8.4
CVE-2022-0185
Linux Kernel Heap-Based Buffer Overflow Vulnerability
8.4
CVE-2013-2094
Linux Kernel Privilege Escalation Vulnerability