CVE-2021-45095
kernel: refcount leak in pep_sock_accept() in net/phonet/pep.c
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 9, 2021
Updated · June 27, 2026
Description
A memory leak flaw in the Linux kernel's PhoNet (Phone Network protocol) functionality was found in the way user gets memory allocation fail inside function pep_sock_accept (for the failure branch). A local user could use this flaw to starve the resources causing a denial of service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE-911 · Improper Update of Reference Count