Deadlock The advisory has been revoked - it doesn't affect any version of package systemd-pam Open this link in a new tab
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Test your applications- Snyk ID SNYK-CENTOS8-SYSTEMDPAM-3150638
- published 29 Nov 2022
- disclosed 18 Oct 2022
Introduced: 18 Oct 2022
CVE-2022-45873 Open this link in a new tabAmendment
The Centos security team deemed this advisory irrelevant for Centos:8.
NVD Description
Note: Versions mentioned in the description apply only to the upstream systemd-pam package and not the systemd-pam package as distributed by Centos:8.
systemd 250 and 251 allows local users to achieve a systemd-coredump deadlock by triggering a crash that has a long backtrace. This occurs in parse_elf_object in shared/elf-util.c. The exploitation methodology is to crash a binary calling the same function recursively, and put it in a deeply nested directory to make its backtrace large enough to cause the deadlock. This must be done 16 times when MaxConnections=16 is set for the systemd/units/systemd-coredump.socket file.