RHEL 10:kernel (RHSA-2026:77634)

critical Nessus 插件 ID 364158

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-2026:77634 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:

* kernel: fs/notify:用 s_umount 调用 exportfs_encode_fid(CVE-2025-40237)

* 内核:ipv6:ioam:修复 __ioam6_fill_trace_data() 中的堆缓冲区溢出 (CVE-2026-43186)

* kernel: udf:修复分区描述符附加簿记 (CVE-2026-45991)

* kernel: sctp:清除过时的 COOKIE-ECHO 处理 outqueue (CVE-2026-52924)

* kernel: netfilter: synproxy:skb_ensure_writable 后刷新 tcphdr(CVE-2026-64007)

* kernel:Kernel SMB 客户端:双重释放漏洞允许远程拒绝服务或权限升级 (CVE-2026-64385)

* kernel:smb:客户端:修复 SMB2_flush() 重播中的双重释放 (CVE-2026-64383)

* kernel:smb:客户端:修复 query_info() 重播中的双重释放(CVE-2026-64386)

* kernel: udp:修复隧道分段中潜在的释放后使用 (CVE-2026-74705)

* kernel:af_unix:断开 unix_del_edge()中scc_entry的链接(CVE-2026-80521)

错误修复和增强功能:

* kernel: fs/notify:用 s_umount 调用 exportfs_encode_fid [rhel-10.0.z] (JIRA:RHEL-169186)

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-2026:77634

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

https://bugzilla.redhat.com/show_bug.cgi?id=2418829

https://bugzilla.redhat.com/show_bug.cgi?id=2467143

https://bugzilla.redhat.com/show_bug.cgi?id=2482113

https://bugzilla.redhat.com/show_bug.cgi?id=2492095

https://bugzilla.redhat.com/show_bug.cgi?id=2502361

https://bugzilla.redhat.com/show_bug.cgi?id=2507035

https://bugzilla.redhat.com/show_bug.cgi?id=2507134

https://bugzilla.redhat.com/show_bug.cgi?id=2507216

https://bugzilla.redhat.com/show_bug.cgi?id=2521498

https://bugzilla.redhat.com/show_bug.cgi?id=2524478

http://www.nessus.org/u?e59deb67

插件详情

严重性: Critical

ID: 364158

文件名: redhat-RHSA-2026-77634.nasl

版本: 1.1

类型: Local

代理: unix

发布时间: 2026/10/8

最近更新时间: 2026/10/8

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

风险信息

VPR

风险因素: High

分数: 7.9

百分位: 99.35

Vendor

Vendor Severity: Important

CVSS v2

风险因素: Critical

基本分数: 10

时间分数: 7.8

矢量: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS 分数来源: CVE-2026-74705

CVSS v3

风险因素: Critical

基本分数: 10

时间分数: 9

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

时间矢量: CVSS:3.0/E:P/RL:O/RC:C

漏洞信息

CPE: cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux_eus:10.0, p-cpe:/a:redhat:enterprise_linux:kernel-64k-core, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-devel, 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-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug, p-cpe:/a:redhat:enterprise_linux:kernel-64k-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-64k-devel, 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-64k-modules, p-cpe:/a:redhat:enterprise_linux:kernel-64k, 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-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-debug-uki-virt, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:kernel-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-core, 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-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-devel, 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-rt-64k-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k, 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-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-uki-virt-addons, p-cpe:/a:redhat:enterprise_linux:kernel-uki-virt, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-core, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:libperf, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:python3-perf, p-cpe:/a:redhat:enterprise_linux:rtla, p-cpe:/a:redhat:enterprise_linux:rv

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: 2026/10/8

漏洞发布日期: 2025/12/4

参考资料信息

CVE: CVE-2025-40237, CVE-2026-43186, CVE-2026-45991, CVE-2026-52924, CVE-2026-64007, CVE-2026-64383, CVE-2026-64385, CVE-2026-64386, CVE-2026-74705, CVE-2026-80521

CWE: 1341, 367, 416, 476, 787, 825

RHSA: 2026:77634