RHEL 10:kernel (RHSA-2026:36541)

high Nessus 插件 ID 325663

简介

远程 Red Hat 主机缺少一个或多个安全更新。

描述

远程 Redhat Enterprise Linux 10 主机上安装的程序包受到 RHSA-2026:36541 公告中提及的多个漏洞影响。

内核程序包中包含 Linux 内核,后者是任何 Linux 操作系统的核心。

安全修复:

* 内核:eventpoll:将释放结构 eventpoll 延迟至 RCU 宽限期 (CVE-2026-43074)

* kernel: net: mana:修复服务重新扫描 PCI 路径 (CVE-2026-43276) 上的双重destroy_workqueue

* kernel: net/ipv6: ioam6:防止跟踪填充 (CVE-2026-43341) 中的方案长度回绕

* kernel: smb/client:修复 smb2_compound_op() (CVE-2026-46155) 中的越界读取

* kernel: eventpoll:修复ep_remove结构 eventpoll / 结构文件 UAF (CVE-2026-46242)

* kernel: procfs:修复在 do_task_stat() (CVE-2026-46259) 中读取real_parent时缺少的 RCU 保护

错误修复和增强功能:

* CNB103:net:page_pool:如果从未添加 NAPI,则避免误报警告 [rhel-10.2.z] (JIRA:RHEL-162140)

* [RHEL 10] Bonding 报告 tg3 接口的未知速度/双工 [rhel-10.2.z] (JIRA:RHEL-182770)

有关上述安全问题的更多详细信息,包括其影响、CVSS 得分、致谢,以及其他相关信息,请参阅列于“参考”部分的 CVE 页面。

Tenable 已直接从 Red Hat Enterprise Linux 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://access.redhat.com/errata/RHSA-2026:36541

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2467019

https://bugzilla.redhat.com/show_bug.cgi?id=2467113

https://bugzilla.redhat.com/show_bug.cgi?id=2468097

https://bugzilla.redhat.com/show_bug.cgi?id=2482660

https://bugzilla.redhat.com/show_bug.cgi?id=2483519

https://bugzilla.redhat.com/show_bug.cgi?id=2484477

http://www.nessus.org/u?1d65e3be

插件详情

严重性: High

ID: 325663

文件名: redhat-RHSA-2026-36541.nasl

版本: 1.1

类型: Local

代理: unix

发布时间: 2026/7/8

最近更新时间: 2026/7/8

支持的传感器: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

风险信息

VPR

风险因素: High

分数: 8.9

百分位: 99.7

Vendor

Vendor Severity: Important

CVSS v2

风险因素: Medium

基本分数: 6.8

时间分数: 5.3

矢量: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS 分数来源: CVE-2026-43276

CVSS v3

风险因素: High

基本分数: 7.8

时间分数: 7

矢量: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

时间矢量: CVSS:3.0/E:P/RL:O/RC:C

漏洞信息

CPE: p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-modules, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-core, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-extra, p-cpe:/a:redhat:enterprise_linux:python3-perf, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-64k, p-cpe:/a:redhat:enterprise_linux:kernel-64k-core, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-64k-devel, p-cpe:/a:redhat:enterprise_linux:kernel-64k-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-64k-modules, p-cpe:/a:redhat:enterprise_linux:kernel-64k-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-64k-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-uki-virt, p-cpe:/a:redhat:enterprise_linux:kernel-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-uki-virt, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-core, p-cpe:/a:redhat:enterprise_linux:rtla, p-cpe:/a:redhat:enterprise_linux:libperf, p-cpe:/a:redhat:enterprise_linux:rv, p-cpe:/a:redhat:enterprise_linux:kernel-uki-virt-addons, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra-matched, cpe:/o:redhat:enterprise_linux:10.2

必需的 KB 项: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

可利用: true

易利用性: Exploits are available

补丁发布日期: 2026/7/8

漏洞发布日期: 2026/3/27

参考资料信息

CVE: CVE-2026-43074, CVE-2026-43276, CVE-2026-43341, CVE-2026-46155, CVE-2026-46242, CVE-2026-46259

CWE: 130, 1341, 787, 820, 825

RHSA: 2026:36541