SUSE update for polkit

1) Resource exhaustion

EUVDB-ID: #VU61268

Risk: Low

CVSSv3.1: 5 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2021-4115

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to process file descriptor exhaustion in polkit. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package polkit to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Realtime Extension: 15-SP2

SUSE Linux Enterprise Micro: 5.0 - 5.1

SUSE Linux Enterprise Server: 15-SP3-LTSS

SUSE Linux Enterprise High Performance Computing: 15-SP3-LTSS

SUSE Linux Enterprise Desktop: 15-SP3

SUSE Manager Server: 4.2

SUSE Manager Proxy: 4.2

SUSE Linux Enterprise Server for SAP Applications: 15-SP3

SUSE Linux Enterprise Module for Basesystem: 15-SP3

typelib-1_0-Polkit-1_0: before 0.116-3.9.1

polkit-devel-debuginfo: before 0.116-3.9.1

polkit-devel: before 0.116-3.9.1

polkit-debugsource: before 0.116-3.9.1

polkit-debuginfo: before 0.116-3.9.1

polkit: before 0.116-3.9.1

libpolkit0-debuginfo: before 0.116-3.9.1

libpolkit0: before 0.116-3.9.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20220525-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.