Vulnerability CVE-2023-5870
Published: 2023-12-10   Modified: 2023-12-14

Description:
A flaw was found in PostgreSQL involving the pg_cancel_backend role that signals background workers, including the logical replication launcher, autovacuum workers, and the autovacuum launcher. Successful exploitation requires a non-core extension with a less-resilient background worker and would affect that specific background worker only. This issue may allow a remote high privileged user to launch a denial of service (DoS) attack.

Type:

CWE-noinfo

Affected software
Redhat -> Codeready linux builder for power little endian eus 
Redhat -> Software collections 
Redhat -> Enterprise linux 
Redhat -> Enterprise linux server tus 
Redhat -> Enterprise linux server aus 
Redhat -> Enterprise linux eus 
Redhat -> Enterprise linux for arm 64 
Redhat -> Enterprise linux for power little endian eus 
Redhat -> Codeready linux builder for arm64 eus 
Redhat -> Codeready linux builder for ibm z systems eus 
Redhat -> Codeready linux builder eus for power little endian eus 
Redhat -> Codeready linux builder eus 
Redhat -> Enterprise linux for power little endian 
Redhat -> Enterprise linux for ibm z systems eus 
Redhat -> Enterprise linux for ibm z systems 
Postgresql -> Postgresql 

 References:
https://access.redhat.com/errata/RHSA-2023:7545
https://access.redhat.com/errata/RHSA-2023:7579
https://access.redhat.com/errata/RHSA-2023:7580
https://access.redhat.com/errata/RHSA-2023:7581
https://access.redhat.com/errata/RHSA-2023:7616
https://access.redhat.com/errata/RHSA-2023:7656
https://access.redhat.com/errata/RHSA-2023:7666
https://access.redhat.com/errata/RHSA-2023:7667
https://access.redhat.com/errata/RHSA-2023:7694
https://access.redhat.com/errata/RHSA-2023:7695
https://access.redhat.com/security/cve/CVE-2023-5870
https://bugzilla.redhat.com/show_bug.cgi?id=2247170
https://www.postgresql.org/about/news/postgresql-161-155-1410-1313-1217-and-1122-released-2749/
https://www.postgresql.org/support/security/CVE-2023-5870/
https://access.redhat.com/errata/RHSA-2023:7714
https://access.redhat.com/errata/RHSA-2023:7770
https://access.redhat.com/errata/RHSA-2023:7772
https://access.redhat.com/errata/RHSA-2023:7784
https://access.redhat.com/errata/RHSA-2023:7785
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