Detections
Analytics
Oracle Linux 9 : pcp (ELSA-2026-55740)
high Nessus Plugin ID 338178
Synopsis
The remote Oracle Linux host is missing one or more security updates.Description
The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-55740 advisory.- Fix CVE-2026-16524 command injection in linux_sockets PMDA (RHEL-213668)
- Fix missing pmproxy -Q and -S authentication flags (CVE-2026-16527, RHEL-213712)
- Fix integer overflow in __pmGetPDU() (CVE-2026-16529, RHEL-213737)
Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
Plugin Details
Severity: High
ID: 338178
File Name: oraclelinux_ELSA-2026-55740.nasl
Version: 1.1
Type: Local
Agent: unix
Published: 8/19/2026
Updated: 8/19/2026
Supported Sensors: Nessus Agent, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.9
Percentile: 58.15
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 7.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2026-16524
CVSS v3
Risk Factor: High
Base Score: 8.8
Temporal Score: 7.7
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS Score Source: CVE-2026-16526
Vulnerability Information
CPE: cpe:/o:oracle:linux:9, p-cpe:/a:oracle:linux:pcp-conf, p-cpe:/a:oracle:linux:pcp-devel, p-cpe:/a:oracle:linux:pcp-doc, p-cpe:/a:oracle:linux:pcp-export-pcp2elasticsearch, p-cpe:/a:oracle:linux:pcp-export-pcp2graphite, p-cpe:/a:oracle:linux:pcp-export-pcp2influxdb, p-cpe:/a:oracle:linux:pcp-export-pcp2json, p-cpe:/a:oracle:linux:pcp-export-pcp2openmetrics, p-cpe:/a:oracle:linux:pcp-export-pcp2spark, p-cpe:/a:oracle:linux:pcp-export-pcp2xml, p-cpe:/a:oracle:linux:pcp-export-pcp2zabbix, p-cpe:/a:oracle:linux:pcp-export-zabbix-agent, p-cpe:/a:oracle:linux:pcp-geolocate, p-cpe:/a:oracle:linux:pcp-gui, p-cpe:/a:oracle:linux:pcp-import-collectl2pcp, p-cpe:/a:oracle:linux:pcp-import-ganglia2pcp, p-cpe:/a:oracle:linux:pcp-import-iostat2pcp, p-cpe:/a:oracle:linux:pcp-import-mrtg2pcp, p-cpe:/a:oracle:linux:pcp-import-sar2pcp, p-cpe:/a:oracle:linux:pcp-libs-devel, p-cpe:/a:oracle:linux:pcp-libs, p-cpe:/a:oracle:linux:pcp-pmda-activemq, p-cpe:/a:oracle:linux:pcp-pmda-amdgpu, p-cpe:/a:oracle:linux:pcp-pmda-apache, p-cpe:/a:oracle:linux:pcp-pmda-bash, p-cpe:/a:oracle:linux:pcp-pmda-bcc, p-cpe:/a:oracle:linux:pcp-pmda-bind2, p-cpe:/a:oracle:linux:pcp-pmda-bonding, p-cpe:/a:oracle:linux:pcp-pmda-bpf, p-cpe:/a:oracle:linux:pcp-pmda-bpftrace, p-cpe:/a:oracle:linux:pcp-pmda-cifs, p-cpe:/a:oracle:linux:pcp-pmda-cisco, p-cpe:/a:oracle:linux:pcp-pmda-dbping, p-cpe:/a:oracle:linux:pcp-pmda-denki, p-cpe:/a:oracle:linux:pcp-pmda-dm, p-cpe:/a:oracle:linux:pcp-pmda-docker, p-cpe:/a:oracle:linux:pcp-pmda-ds389, p-cpe:/a:oracle:linux:pcp-pmda-ds389log, p-cpe:/a:oracle:linux:pcp-pmda-elasticsearch, p-cpe:/a:oracle:linux:pcp-pmda-farm, p-cpe:/a:oracle:linux:pcp-pmda-gfs2, p-cpe:/a:oracle:linux:pcp-pmda-gluster, p-cpe:/a:oracle:linux:pcp-pmda-gpfs, p-cpe:/a:oracle:linux:pcp-pmda-gpsd, p-cpe:/a:oracle:linux:pcp-pmda-hacluster, p-cpe:/a:oracle:linux:pcp-pmda-haproxy, p-cpe:/a:oracle:linux:pcp-pmda-infiniband, p-cpe:/a:oracle:linux:pcp-pmda-json, p-cpe:/a:oracle:linux:pcp-pmda-libvirt, p-cpe:/a:oracle:linux:pcp-pmda-lio, p-cpe:/a:oracle:linux:pcp-pmda-lmsensors, p-cpe:/a:oracle:linux:pcp-pmda-logger, p-cpe:/a:oracle:linux:pcp-pmda-lustre, p-cpe:/a:oracle:linux:pcp-pmda-lustrecomm, p-cpe:/a:oracle:linux:pcp-pmda-mailq, p-cpe:/a:oracle:linux:pcp-pmda-memcache, p-cpe:/a:oracle:linux:pcp-pmda-mic, p-cpe:/a:oracle:linux:pcp-pmda-mongodb, p-cpe:/a:oracle:linux:pcp-pmda-mounts, p-cpe:/a:oracle:linux:pcp-pmda-mssql, p-cpe:/a:oracle:linux:pcp-pmda-mysql, p-cpe:/a:oracle:linux:pcp-pmda-named, p-cpe:/a:oracle:linux:pcp-pmda-netcheck, p-cpe:/a:oracle:linux:pcp-pmda-netfilter, p-cpe:/a:oracle:linux:pcp-pmda-news, p-cpe:/a:oracle:linux:pcp-pmda-nfsclient, p-cpe:/a:oracle:linux:pcp-pmda-nginx, p-cpe:/a:oracle:linux:pcp-pmda-nvidia-gpu, p-cpe:/a:oracle:linux:pcp-pmda-openmetrics, p-cpe:/a:oracle:linux:pcp-pmda-openvswitch, p-cpe:/a:oracle:linux:pcp-pmda-oracle, p-cpe:/a:oracle:linux:pcp-pmda-pdns, p-cpe:/a:oracle:linux:pcp-pmda-perfevent, p-cpe:/a:oracle:linux:pcp-pmda-podman, p-cpe:/a:oracle:linux:pcp-pmda-postfix, p-cpe:/a:oracle:linux:pcp-pmda-postgresql, p-cpe:/a:oracle:linux:pcp-pmda-rabbitmq, p-cpe:/a:oracle:linux:pcp-pmda-redis, p-cpe:/a:oracle:linux:pcp-pmda-resctrl, p-cpe:/a:oracle:linux:pcp-pmda-rocestat, p-cpe:/a:oracle:linux:pcp-pmda-roomtemp, p-cpe:/a:oracle:linux:pcp-pmda-rsyslog, p-cpe:/a:oracle:linux:pcp-pmda-samba, p-cpe:/a:oracle:linux:pcp-pmda-sendmail, p-cpe:/a:oracle:linux:pcp-pmda-shping, p-cpe:/a:oracle:linux:pcp-pmda-slurm, p-cpe:/a:oracle:linux:pcp-pmda-smart, p-cpe:/a:oracle:linux:pcp-pmda-snmp, p-cpe:/a:oracle:linux:pcp-pmda-sockets, p-cpe:/a:oracle:linux:pcp-pmda-statsd, p-cpe:/a:oracle:linux:pcp-pmda-summary, p-cpe:/a:oracle:linux:pcp-pmda-systemd, p-cpe:/a:oracle:linux:pcp-pmda-trace, p-cpe:/a:oracle:linux:pcp-pmda-unbound, p-cpe:/a:oracle:linux:pcp-pmda-uwsgi, p-cpe:/a:oracle:linux:pcp-pmda-weblog, p-cpe:/a:oracle:linux:pcp-pmda-zimbra, p-cpe:/a:oracle:linux:pcp-pmda-zswap, p-cpe:/a:oracle:linux:pcp-selinux, p-cpe:/a:oracle:linux:pcp-system-tools, p-cpe:/a:oracle:linux:pcp-testsuite, p-cpe:/a:oracle:linux:pcp-zeroconf, p-cpe:/a:oracle:linux:pcp, p-cpe:/a:oracle:linux:perl-pcp-logimport, p-cpe:/a:oracle:linux:perl-pcp-logsummary, p-cpe:/a:oracle:linux:perl-pcp-mmv, p-cpe:/a:oracle:linux:perl-pcp-pmda, p-cpe:/a:oracle:linux:python3-pcp
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux
Exploit Ease: No known exploits are available
Patch Publication Date: 8/19/2026
Vulnerability Publication Date: 7/30/2026
Reference Information
CVE: CVE-2026-16524, CVE-2026-16526, CVE-2026-16527, CVE-2026-16529