Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。

  - 已修复 Linux 内核中的下列漏洞：ALSA: virtio: Validate control metadata from the device virtio-snd control handling trusts the device-provided control type and value count returned by the device. That metadata is then used directly to index g_v2a_type_map[] in virtsnd_kctl_info(), and to size loops and memcpy() operations in virtsnd_kctl_get() and virtsnd_kctl_put() against fixed-size virtio_snd_ctl_value and snd_ctl_elem_value arrays. A buggy or malicious device can therefore trigger out-of-bounds access by advertising an invalid control type or an oversized value count. Validate control type and count once in virtsnd_kctl_parse_cfg(), before querying enumerated items or exposing the control to ALSA. (CVE-2026-64490)

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

检测

Linux Distros 未修补的漏洞：CVE-2026-64490

high Nessus 插件 ID 329852

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版本 1.15 Sep 21, 2026, 8:44 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202609212044
版本 1.14 Sep 16, 2026, 5:33 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202609160533
版本 1.13 Sep 8, 2026, 12:57 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202609080057
版本 1.12 Sep 4, 2026, 7:38 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202609041938
版本 1.11 Sep 2, 2026, 12:19 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202609020019
版本 1.10 Aug 28, 2026, 2:04 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202608280204
版本 1.9 Aug 21, 2026, 7:41 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202608210741
版本 1.8 Aug 14, 2026, 5:17 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202608141717
版本 1.7 Aug 7, 2026, 5:10 PM Plugin metadata Detection (updated detection logic) Plugin Feed: 202608071710
版本 1.6 Aug 1, 2026, 2:26 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202608010226
版本 1.5 Jul 29, 2026, 9:32 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202607292132
版本 1.4 Jul 29, 2026, 12:29 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202607290029
版本 1.3 Jul 28, 2026, 3:13 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202607280313
版本 1.2 Jul 27, 2026, 10:22 AM CVSS metrics ("CVSSv2 score" set to 7.2) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C") CVSS metrics ("CVSSv3 score" set to 8.4) CVSS metrics ("CVSSv3 vector" set to "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H") Detection (updated detection logic) Plugin metadata Plugin Feed: 202607271022
版本 1.1 Jul 26, 2026, 12:11 AM New Plugin Feed: 202607260011