RockyLinux 8：pcp （RLSA-2026：55560）
high Nessus 插件 ID 337091
语言：
简介
远程 RockyLinux 主机缺少一个或多个安全更新。描述
远程 RockyLinux 8 主机上安装的多个程序包受到 RLSA-2026:55560 公告中提及的多个漏洞影响。* PCP: PCP linux_sockets PMDA: 通过命令注入执行任意命令 (CVE-2026-16524)
* PCP: PCP: 通过 linux_sockets PMDA 漏洞实现提升至 root 权限 (CVE-2026-16526)
* PCP: PCP pmproxy: 未经验证访问 /store 端点允许绕过 pmcd 访问规则 (CVE-2026-16527)
* PCP: PCP: 由于有符号整数溢出导致拒绝服务 (CVE-2026-16529)
Tenable 已直接从 RockyLinux 安全公告中提取上述描述块。
请注意，Nessus 尚未测试这些问题，而是只依据应用程序自我报告的版本号进行判断。
解决方案
更新受影响的程序包。另见
https://bugzilla.redhat.com/show_bug.cgi?id=2506023
https://bugzilla.redhat.com/show_bug.cgi?id=2506026
https://bugzilla.redhat.com/show_bug.cgi?id=2506031
插件详情
严重性: High
ID: 337091
文件名: rocky_linux_RLSA-2026-55560.nasl
版本: 1.1
类型: Local
发布时间: 2026/8/18
最近更新时间: 2026/8/18
支持的传感器: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
风险信息
VPR
风险因素: Medium
分数: 4.9
百分位: 58.15
CVSS v2
风险因素: Critical
基本分数: 10
时间分数: 7.4
矢量: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS 分数来源: CVE-2026-16524
CVSS v3
风险因素: High
基本分数: 8.8
时间分数: 7.7
矢量: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
时间矢量: CVSS:3.0/E:U/RL:O/RC:C
CVSS 分数来源: CVE-2026-16526
漏洞信息
CPE: cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:pcp-conf, p-cpe:/a:rocky:linux:pcp-debuginfo, p-cpe:/a:rocky:linux:pcp-debugsource, p-cpe:/a:rocky:linux:pcp-devel-debuginfo, p-cpe:/a:rocky:linux:pcp-devel, p-cpe:/a:rocky:linux:pcp-doc, p-cpe:/a:rocky:linux:pcp-export-pcp2elasticsearch, p-cpe:/a:rocky:linux:pcp-export-pcp2graphite, p-cpe:/a:rocky:linux:pcp-export-pcp2influxdb, p-cpe:/a:rocky:linux:pcp-export-pcp2json, p-cpe:/a:rocky:linux:pcp-export-pcp2spark, p-cpe:/a:rocky:linux:pcp-export-pcp2xml, p-cpe:/a:rocky:linux:pcp-export-pcp2zabbix, p-cpe:/a:rocky:linux:pcp-export-zabbix-agent-debuginfo, p-cpe:/a:rocky:linux:pcp-export-zabbix-agent, p-cpe:/a:rocky:linux:pcp-gui-debuginfo, p-cpe:/a:rocky:linux:pcp-gui, p-cpe:/a:rocky:linux:pcp-import-collectl2pcp-debuginfo, p-cpe:/a:rocky:linux:pcp-import-collectl2pcp, p-cpe:/a:rocky:linux:pcp-import-ganglia2pcp, p-cpe:/a:rocky:linux:pcp-import-iostat2pcp, p-cpe:/a:rocky:linux:pcp-import-mrtg2pcp, p-cpe:/a:rocky:linux:pcp-import-sar2pcp, p-cpe:/a:rocky:linux:pcp-libs-debuginfo, p-cpe:/a:rocky:linux:pcp-libs-devel, p-cpe:/a:rocky:linux:pcp-libs, p-cpe:/a:rocky:linux:pcp-pmda-activemq, p-cpe:/a:rocky:linux:pcp-pmda-apache-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-apache, p-cpe:/a:rocky:linux:pcp-pmda-bash-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-bash, p-cpe:/a:rocky:linux:pcp-pmda-bcc, p-cpe:/a:rocky:linux:pcp-pmda-bind2, p-cpe:/a:rocky:linux:pcp-pmda-bonding, p-cpe:/a:rocky:linux:pcp-pmda-bpftrace, p-cpe:/a:rocky:linux:pcp-pmda-cifs-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-cifs, p-cpe:/a:rocky:linux:pcp-pmda-cisco-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-cisco, p-cpe:/a:rocky:linux:pcp-pmda-dbping, p-cpe:/a:rocky:linux:pcp-pmda-denki-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-denki, p-cpe:/a:rocky:linux:pcp-pmda-dm-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-dm, p-cpe:/a:rocky:linux:pcp-pmda-docker-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-docker, p-cpe:/a:rocky:linux:pcp-pmda-ds389, p-cpe:/a:rocky:linux:pcp-pmda-ds389log, p-cpe:/a:rocky:linux:pcp-pmda-elasticsearch, p-cpe:/a:rocky:linux:pcp-pmda-gfs2-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-gfs2, p-cpe:/a:rocky:linux:pcp-pmda-gluster, p-cpe:/a:rocky:linux:pcp-pmda-gpfs, p-cpe:/a:rocky:linux:pcp-pmda-gpsd, p-cpe:/a:rocky:linux:pcp-pmda-hacluster-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-hacluster, p-cpe:/a:rocky:linux:pcp-pmda-haproxy, p-cpe:/a:rocky:linux:pcp-pmda-infiniband-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-infiniband, p-cpe:/a:rocky:linux:pcp-pmda-json, p-cpe:/a:rocky:linux:pcp-pmda-libvirt, p-cpe:/a:rocky:linux:pcp-pmda-lio, p-cpe:/a:rocky:linux:pcp-pmda-lmsensors, p-cpe:/a:rocky:linux:pcp-pmda-logger-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-logger, p-cpe:/a:rocky:linux:pcp-pmda-lustre, p-cpe:/a:rocky:linux:pcp-pmda-lustrecomm-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-lustrecomm, p-cpe:/a:rocky:linux:pcp-pmda-mailq-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-mailq, p-cpe:/a:rocky:linux:pcp-pmda-memcache, p-cpe:/a:rocky:linux:pcp-pmda-mic, p-cpe:/a:rocky:linux:pcp-pmda-mongodb, p-cpe:/a:rocky:linux:pcp-pmda-mounts-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-mounts, p-cpe:/a:rocky:linux:pcp-pmda-mssql, p-cpe:/a:rocky:linux:pcp-pmda-mysql, p-cpe:/a:rocky:linux:pcp-pmda-named, p-cpe:/a:rocky:linux:pcp-pmda-netcheck, p-cpe:/a:rocky:linux:pcp-pmda-netfilter, p-cpe:/a:rocky:linux:pcp-pmda-news, p-cpe:/a:rocky:linux:pcp-pmda-nfsclient, p-cpe:/a:rocky:linux:pcp-pmda-nginx, p-cpe:/a:rocky:linux:pcp-pmda-nvidia-gpu-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-nvidia-gpu, p-cpe:/a:rocky:linux:pcp-pmda-openmetrics, p-cpe:/a:rocky:linux:pcp-pmda-openvswitch, p-cpe:/a:rocky:linux:pcp-pmda-oracle, p-cpe:/a:rocky:linux:pcp-pmda-pdns, p-cpe:/a:rocky:linux:pcp-pmda-perfevent-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-perfevent, p-cpe:/a:rocky:linux:pcp-pmda-podman-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-podman, p-cpe:/a:rocky:linux:pcp-pmda-postfix, p-cpe:/a:rocky:linux:pcp-pmda-postgresql, p-cpe:/a:rocky:linux:pcp-pmda-rabbitmq, p-cpe:/a:rocky:linux:pcp-pmda-redis, p-cpe:/a:rocky:linux:pcp-pmda-roomtemp-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-roomtemp, p-cpe:/a:rocky:linux:pcp-pmda-rsyslog, p-cpe:/a:rocky:linux:pcp-pmda-samba, p-cpe:/a:rocky:linux:pcp-pmda-sendmail-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-sendmail, p-cpe:/a:rocky:linux:pcp-pmda-shping-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-shping, p-cpe:/a:rocky:linux:pcp-pmda-slurm, p-cpe:/a:rocky:linux:pcp-pmda-smart-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-smart, p-cpe:/a:rocky:linux:pcp-pmda-snmp, p-cpe:/a:rocky:linux:pcp-pmda-sockets-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-sockets, p-cpe:/a:rocky:linux:pcp-pmda-statsd-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-statsd, p-cpe:/a:rocky:linux:pcp-pmda-summary-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-summary, p-cpe:/a:rocky:linux:pcp-pmda-systemd-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-systemd, p-cpe:/a:rocky:linux:pcp-pmda-trace-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-trace, p-cpe:/a:rocky:linux:pcp-pmda-unbound, p-cpe:/a:rocky:linux:pcp-pmda-weblog-debuginfo, p-cpe:/a:rocky:linux:pcp-pmda-weblog, p-cpe:/a:rocky:linux:pcp-pmda-zimbra, p-cpe:/a:rocky:linux:pcp-pmda-zswap, p-cpe:/a:rocky:linux:pcp-selinux, p-cpe:/a:rocky:linux:pcp-system-tools-debuginfo, p-cpe:/a:rocky:linux:pcp-system-tools, p-cpe:/a:rocky:linux:pcp-testsuite-debuginfo, p-cpe:/a:rocky:linux:pcp-testsuite, p-cpe:/a:rocky:linux:pcp-zeroconf, p-cpe:/a:rocky:linux:pcp, p-cpe:/a:rocky:linux:perl-pcp-logimport-debuginfo, p-cpe:/a:rocky:linux:perl-pcp-logimport, p-cpe:/a:rocky:linux:perl-pcp-logsummary, p-cpe:/a:rocky:linux:perl-pcp-mmv-debuginfo, p-cpe:/a:rocky:linux:perl-pcp-mmv, p-cpe:/a:rocky:linux:perl-pcp-pmda-debuginfo, p-cpe:/a:rocky:linux:perl-pcp-pmda, p-cpe:/a:rocky:linux:python3-pcp-debuginfo, p-cpe:/a:rocky:linux:python3-pcp
必需的 KB 项: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list
易利用性: No known exploits are available
补丁发布日期: 2026/8/18
漏洞发布日期: 2026/7/30
参考资料信息
CVE: CVE-2026-16524, CVE-2026-16526, CVE-2026-16527, CVE-2026-16529