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。

  - 在 Linux 内核中，已解决以下漏洞： MIPS: pgalloc: fix memory leak caused by pgd_free() pgd page is freed by generic implementation pgd_free() since commit f9cb654cb550 (asm-generic: pgalloc: provide generic pgd_free()), however, there are scenarios that the system uses more than one page as the pgd table, in such cases the generic implementation pgd_free() won't be applicable anymore. For example, when PAGE_SIZE_4KB is enabled and MIPS_VA_BITS_48 is not enabled in a 64bit system, the macro PGD_ORDER will be set as 1, which will cause allocating two pages as the pgd table. Well, at the same time, the generic implementation pgd_free() just free one pgd page, which will result in the memory leak. The memory leak can be easily detected by executing shell command: while true; do ls > /dev/null; grep MemFree /proc/meminfo; done (CVE-2022-49210)

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-2022-49210

medium Nessus 插件 ID 225541

版本 1.3

版本 1.2

版本 1.1

版本 1.3 May 29, 2026, 5:27 PM CVSS metrics ("CVSSv2 score" set to 7.1) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C") CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:U/RL:U/RC:C") CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:U/RL:U/RC:C") Detection (updated detection logic) Plugin metadata Plugin Feed: 202605291727
版本 1.2 May 10, 2025, 1:49 PM New Plugin Feed: 202505101349
版本 1.1 Mar 5, 2025, 4:35 PM New Plugin Feed: 202503051635