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Test ID:1.3.6.1.4.1.25623.1.0.845259
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory (USN-5304-1)
Summary:The remote host is missing an update for the 'policykit-1' package(s) announced via the USN-5304-1 advisory.
Description:Summary:
The remote host is missing an update for the 'policykit-1' package(s) announced via the USN-5304-1 advisory.

Vulnerability Insight:
Kevin Backhouse discovered that PolicyKit incorrectly handled file
descriptors. A local attacker could possibly use this issue to cause
PolicyKit to crash, resulting in a denial of service.

Affected Software/OS:
'policykit-1' package(s) on Ubuntu 20.04, Ubuntu 21.10.

Solution:
Please install the updated package(s).

CVSS Score:
2.1

CVSS Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2021-4115
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/
http://packetstormsecurity.com/files/172849/polkit-File-Descriptor-Exhaustion.html
https://access.redhat.com/security/cve/cve-2021-4115
https://gitlab.com/redhat/centos-stream/rpms/polkit/-/merge_requests/6/diffs?commit_id=bf900df04dc390d389e59aa10942b0f2b15c531e
https://gitlab.freedesktop.org/polkit/polkit/-/issues/141
https://www.oracle.com/security-alerts/cpujul2022.html
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