CVE-2021-4115

Description

There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. The highest threat from this vulnerability is to availability. NOTE: Polkit process outage duration is tied to the failing process being reaped and a new one being spawned

References

https://www.oracle.com/security-alerts/cpujul2022.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/

https://gitlab.freedesktop.org/polkit/polkit/-/issues/141

https://gitlab.com/redhat/centos-stream/rpms/polkit/-/merge_requests/6/diffs?commit_id=bf900df04dc390d389e59aa10942b0f2b15c531e

https://access.redhat.com/security/cve/cve-2021-4115

http://packetstormsecurity.com/files/172849/polkit-File-Descriptor-Exhaustion.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3