5.5

CVE-2021-4115

Exploit
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
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Polkit Project ≫ Polkit Version 0.117
Redhat ≫ Enterprise Linux Version 8.0
Fedoraproject ≫ Fedora Version 34
Fedoraproject ≫ Fedora Version 35
Canonical ≫ Ubuntu Linux Version 20.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 21.10
Debian ≫ Debian Linux Version 11.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.53% 0.406
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NIST 2.1 3.9 2.9
AV:L/AC:L/Au:N/C:N/I:N/A:P
CWE-400 Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource.

https://www.oracle.com/security-alerts/cpujul2022.html
Patch
Third Party Advisory
http://packetstormsecurity.com/files/172849/polkit-File-Descriptor-Exhaustion.html
https://access.redhat.com/security/cve/cve-2021-4115
Third Party Advisory
https://gitlab.com/redhat/centos-stream/rpms/polkit/-/merge_requests/6/diffs?commit_id=bf900df04dc390d389e59aa10942b0f2b15c531e
Patch
Third Party Advisory
https://gitlab.freedesktop.org/polkit/polkit/-/issues/141
Patch
Third Party Advisory
Exploit
Issue Tracking
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/