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Oracle Linux 8 pcp Important Fixes for Vulnerabilities ELSA-2026

Linuxsecurity •LinuxSecurity Advisories • August 20, 2026

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[5.3.7-22.0.12.el8_10.5] - Implemented units header in csv output using pmrep[Orabug: 39064482] - Adds interval option support in PCP nfsiostat tool [Orabug: 38902336] - Introduces proc.numa_maps metrics in linux_proc PMDA [Orabug: 38509848] - adds numastat process option in the tool - Added support for size based cleanup for pcp archives [Orabug: 38991685] - Added --sort option in pcp ps utility [Orabug: 38991685] - Merges new PCP nfsiostat parser in OL [Orabug: 38817091] - pmdanfsclient: fix regex to correctly parse NFS op stats [Orabug: 38724884] - pmda/rocestat: skip installation when IB is absent [Orabug: 38742706] - pmlogger_daily default xz compression changed to level 3 [Orabug: 38592558] - Backports various pcp bugs and enhancements [Orabug: 35778072] - [Orabug: 36932629] [Orabug: 38526407] [Orabug: 38526462] - [Orabug: 38526444] [Orabug: 38531609] - Add support for rocestat pmda [Orabug: 38109218] - Add support for rocestat client [Orabug: 38109360] - Fixed pmstat infint...

pcp-5.3.7-22.0.12.el8_10.5.x86_64.rpm pcp-conf-5.3.7-22.0.12.el8_10.5.x86_64.rpm pcp-devel-5.3.7-22.0.12.el8_10.5.i686.rpm pcp-devel-5.3.7-22.0.12.el8_10.5.x86_64.rpm pcp-doc-5.3.7-22.0.12.el8_10.5.noarch.rpm pcp-export-pcp2elasticsearch-5.3.7-22.0.12.el8_10.5.x86_64.rpm pcp-export-pcp2graphite-5.3.7-22.0.12.el8_10.5.x86_64.rpm pcp-export-pcp2influxdb-5.3.7-22.0.12.el8_10.5.x86_64.rpm pcp-export-pcp2json-5.3.7-22.0.12.el8_10.5.x86_64.rpm pcp-export-pcp2spark-5.3.7-22.0.12.el8_10.5.x86_64.rpm pcp-export-pcp2xml-5.3.7-22.0.12.el8_10.5.x86_64.rpm pcp-export-pcp2zabbix-5.3.7-22.0.12.el8_10.5.x86_64.rpm pcp-export-zabbix-agent-5.3.7-22.0.12.el8_10.5.x86_64.rpm pcp-gui-5.3.7-22.0.12.el8_10.5.x86_64.rpm pcp-import-collectl2pcp-5.3.7-22.0.12.el8_10.5.x86_64.rpm pcp-import-ganglia2pcp-5.3.7-22.0.12.el8_10.5.x86_64.rpm pcp-import-iostat2pcp-5.3.7-22.0.12.el8_10.5.x86_64.rpm pcp-import-mrtg2pcp-5.3.7-22.0.12.el8_10.5.x86_64.rpm pcp-import-sar2pcp-5.3.7-22.0.12.el8_10.5.x86_64.rpm pcp-libs-5.3....

pcp-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-conf-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-devel-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-doc-5.3.7-22.0.12.el8_10.5.noarch.rpm pcp-export-pcp2elasticsearch-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-export-pcp2graphite-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-export-pcp2influxdb-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-export-pcp2json-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-export-pcp2spark-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-export-pcp2xml-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-export-pcp2zabbix-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-export-zabbix-agent-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-gui-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-import-collectl2pcp-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-import-ganglia2pcp-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-import-iostat2pcp-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-import-mrtg2pcp-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-import-sar2pcp-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-libs-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-libs-devel-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-activemq-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-apache-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-bash-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-bcc-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-bind2-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-bonding-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-bpftrace-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-cifs-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-cisco-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-dbping-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-denki-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-dm-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-docker-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-ds389-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-ds389log-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-elasticsearch-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-gfs2-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-gluster-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-gpfs-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-gpsd-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-hacluster-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-haproxy-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-infiniband-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-json-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-libvirt-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-lio-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-lmsensors-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-logger-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-lustre-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-lustrecomm-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-mailq-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-memcache-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-mic-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-mongodb-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-mounts-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-mysql-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-named-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-netcheck-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-netfilter-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-news-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-nfsclient-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-nginx-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-nvidia-gpu-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-openmetrics-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-openvswitch-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-oracle-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-pdns-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-perfevent-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-podman-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-postfix-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-postgresql-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-rabbitmq-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-redis-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-rocestat-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-roomtemp-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-rsyslog-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-samba-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-sendmail-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-shping-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-slurm-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-smart-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-snmp-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-sockets-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-statsd-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-summary-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-systemd-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-trace-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-unbound-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-weblog-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-zimbra-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-pmda-zswap-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-selinux-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-system-tools-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-testsuite-5.3.7-22.0.12.el8_10.5.aarch64.rpm pcp-zeroconf-5.3.7-22.0.12.el8_10.5.aarch64.rpm perl-PCP-LogImport-5.3.7-22.0.12.el8_10.5.aarch64.rpm perl-PCP-LogSummary-5.3.7-22.0.12.el8_10.5.aarch64.rpm perl-PCP-MMV-5.3.7-22.0.12.el8_10.5.aarch64.rpm perl-PCP-PMDA-5.3.7-22.0.12.el8_10.5.aarch64.rpm python3-pcp-5.3.7-22.0.12.el8_10.5.aarch64.rpm

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The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Multiple Oracle Linux Versions Face Critical Vulnerabilities in PCP Tools Recent advisories reveal critical vulnerabilities affecting Oracle Linux versions 8, 9, and 10, specifically in the Performance Co-Pilot (PCP) tools. The vulnerabilities include CVE-2026-16530 and CVE-2026-16531, both published on July 30, 2026, which involve an out-of-bounds pointer dereference and a path traversal issue, respectively. These flaws could allow unauthorized access and potential system compromise. The affected systems include Oracle Linux 8 (5.3.7-22.0.12.el8_10.5), Oracle Linux 9 (6.3.7-8.0.1.el9_8.4), and Oracle Linux 10 (7.0.3-5.0.1.el10_2). Administrators are urged to audit Linux privileges and apply patches to mitigate risks. The advisories emphasize the importance of immediate action to prevent exploitation. Current status indicates that the vulnerabilities are not yet confirmed to be actively exploited but pose significant risks. 3 sources 74

Extracted Entities

CVEs (4)

CVE-2026-16524 CVE-2026-16526 CVE-2026-16527 CVE-2026-16529

Platforms (1)

Linux