{"id":2336,"date":"2026-07-21T18:00:00","date_gmt":"2026-07-21T10:00:00","guid":{"rendered":"https:\/\/www.o6s.net\/?p=2336"},"modified":"2026-07-29T15:07:39","modified_gmt":"2026-07-29T07:07:39","slug":"%e7%b4%a7%e6%80%a5%e5%ae%89%e5%85%a8%e6%9b%b4%e6%96%b0%e4%b8%a8%e9%87%8d%e8%a6%81%e6%bc%8f%e6%b4%9ecve-2026-43499%ef%bc%8c%e8%af%b7%e5%b0%bd%e5%bf%ab%e4%bf%ae%e5%a4%8d","status":"publish","type":"post","link":"https:\/\/www.o6s.net\/index.php\/2026\/07\/21\/%e7%b4%a7%e6%80%a5%e5%ae%89%e5%85%a8%e6%9b%b4%e6%96%b0%e4%b8%a8%e9%87%8d%e8%a6%81%e6%bc%8f%e6%b4%9ecve-2026-43499%ef%bc%8c%e8%af%b7%e5%b0%bd%e5%bf%ab%e4%bf%ae%e5%a4%8d\/","title":{"rendered":"\u7d27\u6025\u5b89\u5168\u66f4\u65b0\u4e28\u91cd\u8981\u6f0f\u6d1eCVE-2026-43499\uff0c\u8bf7\u5c3d\u5feb\u4fee\u590d"},"content":{"rendered":"

\"\u56fe\u7247\"<\/span><\/h1>\n

\u8fd1\u671f\uff0c\u7edf\u4fe1\u5b89\u5168\u5e94\u6025\u54cd\u5e94\u4e2d\u5fc3\uff08USRC\uff09\u76d1\u63a7\u5230Linux\u5185\u6838\u5b58\u5728\u4e00\u4e2a\u9ad8\u5371\u672c\u5730\u63d0\u6743\u6f0f\u6d1e\uff0c\u6f0f\u6d1e\u4ee3\u53f7\u4e3a\u201cGhostLock\u201d\u3002<\/span><\/span><\/p>\n

\u9274\u4e8e\u5176\u4e25\u91cd\u6027\u548c\u5e7f\u6cdb\u5f71\u54cd\uff0c\u7edf\u4fe1\u8f6f\u4ef6\u5efa\u8bae\u5e7f\u5927\u5ba2\u6237\u6839\u636e\u00a0<\/span><\/span>USRC \u63d0\u4f9b\u7684\u6f0f\u6d1e\u4fee\u590d\u89e3\u51b3\u65b9\u6848\u8fdb\u884c\u9632\u62a4\uff0c\u4ee5\u786e\u4fdd\u684c\u9762\u3001\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\u5b89\u5168\u3002<\/span><\/span><\/p>\n

\n
\n
\u6f0f\u6d1e\u7b80\u4ecb<\/span><\/strong><\/span><\/span><\/section>\n
\n
<\/section>\n<\/section>\n<\/section>\n<\/section>\n

\n

\u6f0f\u6d1e\u7f16\u53f7\uff1a<\/span><\/span><\/span>CVE-2026-43499\uff08GhostLock\uff09<\/span><\/span><\/section>\n

\u6f0f\u6d1e\u63cf\u8ff0\uff1a<\/span><\/span><\/span>Linux \u5185\u6838rtmutex\/futex PI \u8def\u5f84\u5b58\u5728\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u3002\u5728 FUTEX_CMP_REQUEUE_PI \u8def\u5f84\u4e2d\uff0crt_mutex_start_proxy_lock() \u5c06 remove_waiter() \u590d\u7528\u4e8e\u4ee3\u7406\u9501\u56de\u6eda\u573a\u666f\uff0c\u4f46 remove_waiter() \u9519\u8bef\u5730\u64cd\u4f5c current \u800c\u975e waiter->task\uff0c\u5bfc\u81f4waiter\u4efb\u52a1\u7684 pi_blocked_on \u72b6\u6001\u672a\u88ab\u6e05\u9664\uff0c\u7559\u4e0b\u6307\u5411\u5df2\u91ca\u653e\u5185\u6838\u6808\u5e27\u7684\u60ac\u7a7a\u6307\u9488\uff0c\u9020\u6210 Use-After-Free \u6f0f\u6d1e\u3002\u5177\u5907\u672c\u5730\u666e\u901a\u6743\u9650\u7684\u653b\u51fb\u8005\u53ef\u80fd\u5229\u7528\u8be5\u7f3a\u9677\u63d0\u5347\u81f3 root \u6743\u9650\u6216\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\u3002<\/span><\/span><\/p>\n

\u6f0f\u6d1e\u7b49\u7ea7<\/span><\/span><\/span>\uff1a\u9ad8\u5371<\/span>\uff08CVSS 7.8\uff09<\/span><\/span><\/p>\n

\u5229\u7528<\/span><\/span><\/span><\/b>\u6761\u4ef6<\/span><\/span><\/span><\/b>\uff1a<\/span><\/span>\u5185\u6838\u542f\u7528 CONFIG_FUTEX_PI\uff08\u7edd\u5927\u591a\u6570\u53d1\u884c\u7248\u9ed8\u8ba4\u5f00\u542f\uff09\uff0c\u65e0\u9700\u7279\u6b8a capability \u6216\u7528\u6237\u547d\u540d\u7a7a\u95f4\u3002<\/span><\/span><\/p>\n

\u53d7\u5f71\u54cd\u7248\u672c\u8303\u56f4\uff1a<\/span><\/span><\/span><\/b><\/p>\n

<\/section>\n
\n
\n
\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848<\/span><\/strong><\/span><\/span><\/section>\n
\n
<\/section>\n<\/section>\n<\/section>\n<\/section>\n

\u7edf\u4fe1 UOS \u5df2\u5b8c\u6210\u6f0f\u6d1e\u8865\u4e01\u4fee\u590d\u4e0e\u9002\u914d\u9a8c\u8bc1\u5de5\u4f5c\uff0c\u5efa\u8bae\u901a\u8fc7\u7cfb\u7edf\u66f4\u65b0\u6216 USRC \u5b89\u5168\u516c\u544a\u9875\u9762\u83b7\u53d6\u5bf9\u5e94\u7cfb\u7edf\u7248\u672c\u7684\u5b89\u5168\u5185\u6838\u8865\u4e01\uff0c\u5e76\u5347\u7ea7\u81f3\u5b89\u5168\u7248\u672c\u4ee5\u4fee\u590d\u6f0f\u6d1e\u3002<\/span><\/span><\/b><\/p>\n

\u5b89\u5168\u516c\u544a\u5730\u5740\uff1a<\/span>https:\/\/src.uniontech.com\/\uff0c\u8865\u4e01\u53d1\u5e03\u540e\u53ef\u6839\u636e\u6f0f\u6d1e\u7f16\u53f7 CVE-2026-43499 \u641c\u7d22\u6f0f\u6d1e\u4fe1\u606f\uff0c\u9009\u62e9\u5bf9\u5e94\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c\u3001\u7cfb\u7edf\u5b50\u7248\u672c\u548c\u7cfb\u7edf\u67b6\u6784\u4e0b\u8f7d\u5e76\u5b89\u88c5\u8865\u4e01\u5305\u3002<\/span><\/p>\n

\u25c9\u00a0<\/span><\/span><\/span><\/b>\u5916\u7f51\u5728\u7ebf\u5347\u7ea7\u4fee\u590d\u6b65\u9aa4<\/span><\/span><\/span><\/b><\/p>\n

1. \u7edf\u4fe1 UOS \u684c\u9762\u7248<\/span><\/span><\/span><\/b><\/p>\n

    \n
  • \n

    \u63a7\u5236\u4e2d\u5fc3<\/span><\/span>—<\/span><\/span>\u66f4\u65b0<\/span><\/span>—<\/span><\/span>\u66f4\u65b0\u8bbe\u7f6e<\/span><\/span>—<\/span><\/span>\u6253\u5f00\u7cfb\u7edf\u66f4\u65b0\u3001\u5b89\u5168\u66f4\u65b0<\/span><\/span><\/p>\n<\/li>\n<\/ul>\n

    \"\u56fe\u7247\"<\/section>\n
      \n
    • \n

      \u70b9\u51fb<\/span><\/span>\u201c\u68c0\u67e5\u66f4\u65b0\u201d<\/span><\/span>—<\/span><\/span>\u201c\u5168\u90e8\u4e0b\u8f7d\u201d<\/span><\/span><\/p>\n<\/li>\n<\/ul>\n

      \"\u56fe\u7247\"<\/section>\n
        \n
      • \n

        \u70b9\u51fb<\/span><\/span>\u201c\u7acb\u5373\u5b89\u88c5\u201d<\/span><\/span><\/p>\n<\/li>\n<\/ul>\n

        \"\u56fe\u7247\"<\/section>\n
        \"\u56fe\u7247\"<\/section>\n
          \n
        • \n

          \u5b89\u88c5\u5b8c\u6bd5\u70b9\u51fb<\/span><\/span>\u201c\u7acb\u5373\u91cd\u542f\u201d<\/span><\/span><\/p>\n<\/li>\n<\/ul>\n

          \"\u56fe\u7247\"<\/section>\n

          2. \u7edf\u4fe1 UOS \u670d\u52a1\u5668\u7248<\/span><\/span><\/span><\/b><\/p>\n

          \u670d\u52a1\u5668\u00a0<\/span><\/span><\/span>D \u7248<\/span><\/span><\/span><\/b><\/p>\n

          \u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u66f4\u65b0\u5185\u6838\u53ca\u76f8\u5173\u7ec4\u4ef6\uff1a<\/span><\/span><\/span><\/b><\/section>\n
          AMD64\uff1a<\/span><\/span><\/span><\/b><\/section>\n
          \n
            \n
          • <\/li>\n<\/ul>\n
            sudo<\/span>\u00a0apt update && sudo apt install linux-image-4<\/span>.19<\/span>.0<\/span>-server-amd64 linux-headers-4<\/span>.19<\/span>.0<\/span>-server-amd64<\/code><\/pre>\n<\/section>\n
            ARM64\uff1a<\/span><\/span><\/span><\/p>\n
            \n
              \n
            • <\/li>\n<\/ul>\n
              sudo<\/span>\u00a0apt update && sudo apt install linux-image-4<\/span>.19<\/span>.0<\/span>-arm64-server linux-headers-4<\/span>.19<\/span>.0<\/span>-arm64-server<\/code><\/pre>\n<\/section>\n
              \u66f4\u65b0\u5b8c\u6210\u540e\u8bf7\u6267\u884c\u00a0<\/span><\/span>sudo reboot \u91cd\u542f\u7cfb\u7edf\u3002<\/span><\/span><\/p>\n
              \u5176\u4ed6\u670d\u52a1\u5668\u7248\u672c<\/span><\/span><\/span><\/b><\/p>\n
              \u901a\u8fc7\u00a0<\/span><\/span>yum \u5347\u7ea7\u81f3\u5b89\u5168\u5185\u6838\u7248\u672c<\/span><\/span><\/b><\/p>\n
              \n
                \n
              • <\/li>\n<\/ul>\n
                sudo<\/span>\u00a0yum update-minimal --cve CVE-2026<\/span>-43499<\/span><\/code><\/pre>\n<\/section>\n
                \u6216\u76f4\u63a5\u5347\u7ea7\u5185\u6838\u5305\uff1a<\/span><\/span><\/p>\n
                \n
                  \n
                • <\/li>\n<\/ul>\n
                  sudo<\/span>\u00a0yum update kernel<\/code><\/pre>\n<\/section>\n
                  \u66f4\u65b0\u5b8c\u6210\u540e\u8bf7\u6267\u884c\u00a0<\/span><\/span><\/b>sudo reboot \u91cd\u542f\u7cfb\u7edf\u3002<\/span><\/span><\/p>\n
                  \u25c9 \u00a0\u5185\u7f51\u79bb\u7ebf\u8865\u4e01\u4fee\u590d\u6b65\u9aa4<\/span><\/span><\/span><\/b><\/span><\/b><\/section>\n
                  \u79bb\u7ebf\u8865\u4e01\u4e0b\u8f7d\u5730\u5740\uff1a<\/span><\/span><\/span>
                  \n<\/span><\/span><\/p>\n
                  https:\/\/src.uniontech.com\/<\/span><\/span><\/p>\n
                  \u6839\u636e<\/span><\/span>\u6f0f\u6d1e\u7f16\u53f7 CVE-2026-43499\u00a0<\/span><\/span>\u641c\u7d22\u6f0f\u6d1e\u4fe1\u606f\uff0c\u9009\u62e9\u5bf9\u5e94<\/span><\/span>\u7684\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c\uff0c\u70b9\u51fb\u201c\u8be6\u60c5\u201d<\/span><\/span>\uff0c<\/span><\/span>\u9009\u62e9\u5bf9\u5e94\u7684<\/span><\/span>\u201c\u7cfb\u7edf<\/span><\/span>\u5b50<\/span><\/span>\u7248\u672c<\/span><\/span>\u201d\u548c\u201c\u7cfb\u7edf\u67b6\u6784\u201d\uff0c\u4e0b\u8f7d\u5e76\u5b89\u88c5\u8865\u4e01\u5305\u3002<\/span><\/span><\/p>\n
                  \"\u56fe\u7247\"<\/section>\n
                  1. \u684c\u9762\u4e13\u4e1a\u7248\u79bb\u7ebf\u8865\u4e01\u5b89\u88c5<\/span><\/span><\/span><\/b><\/p>\n
                  \u5728 U<\/span><\/span>SRC\u00a0<\/span><\/span>\u4e0b\u8f7d\u5bf9\u5e94\u67b6\u6784\u7684\u79bb\u7ebf\u8865\u4e01\u5347\u7ea7\u5de5\u5177\u3002<\/span><\/span><\/p>\n
                  \"\u56fe\u7247\"<\/section>\n
                  \u53cc\u51fb\u79bb\u7ebf\u8865\u4e01\u5347\u7ea7\u5de5\u5177\u5b89\u88c5\u5305\uff0c<\/span><\/span>\u9700\u8981\u6dfb\u52a0\u6267\u884c\u6743\u9650\uff0c\u70b9\u51fb<\/span><\/span>\u201c\u8fd0\u884c\u201d\u3002<\/span><\/span><\/p>\n
                  <\/section>\n
                  \u518d\u6b21<\/span><\/span>\u53cc\u51fb\u79bb\u7ebf\u8865\u4e01\u5347\u7ea7\u5de5\u5177\u5b89\u88c5\u5305\uff0c\u9700\u8981\u8f93\u5165\u7528\u6237\u5bc6\u7801\uff0c<\/span><\/span>\u70b9\u51fb<\/span><\/span>\u201c\u786e\u5b9a\u201d<\/span><\/span>\u3002<\/span><\/span><\/p>\n
                  <\/section>\n
                  \u52fe\u9009<\/span><\/span>\u201c\u6211\u5df2\u9605\u8bfb\u5e76\u77e5\u6653\u201d\uff0c\u70b9\u51fb\u201c\u5f00\u59cb\u5347\u7ea7\u201d<\/span><\/span>\u3002<\/span><\/span>\u5347\u7ea7\u540e\u4f1a\u81ea\u52a8\u91cd\u542f\u7cfb\u7edf\uff0c\u52fe\u9009<\/span><\/span>\u201c\u6211\u5df2\u77e5\u6653\u5e76\u786e\u8ba4\u7ee7\u7eed\u5347\u7ea7\u201d\uff0c\u7136\u540e\u70b9\u51fb\u201c\u7ee7\u7eed\u5347\u7ea7\u201d\u3002<\/span><\/span><\/p>\n
                  \"\u56fe\u7247\"<\/section>\n
                  \n
                  \ud83d\udca1\u6ce8\u610f\uff1a<\/span><\/span><\/p>\n
                  \u5347\u7ea7\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u5148\u5907\u4efd\u7cfb\u7edf\uff0c\u8bf7\u52ff\u5f3a\u5236\u5173\u673a\u6216\u65ad\u7535\uff0c\u5426\u5219\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u635f\u574f\u3002<\/span><\/span><\/span><\/p>\n<\/blockquote>\n
                  \"\u56fe\u7247\"<\/section>\n
                  2. \u670d\u52a1\u5668\u7248\u79bb\u7ebf\u8865\u4e01\u5b89\u88c5<\/span><\/span><\/span><\/b><\/p>\n
                  \u5c06\u4e0b\u8f7d\u7684\u5185\u6838\u8865\u4e01\u5305\u653e\u5165\u7a7a\u6587\u4ef6\u5939\u4e2d\uff0c\u7136\u540e\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\u8865\u4e01\u3002<\/span><\/span><\/p>\n
                  \u670d\u52a1\u5668\u00a0<\/span><\/span><\/span>D \u7248\uff1a<\/span><\/span><\/span><\/b><\/p>\n
                  \n
                    \n
                  • <\/li>\n<\/ul>\n
                    sudo<\/span>\u00a0dpkg -i\u00a0*.deb<\/span><\/code><\/pre>\n<\/section>\n
                    \u5176\u4ed6\u670d\u52a1\u5668\u7248\u672c\uff1a<\/span><\/span><\/span><\/b><\/p>\n
                    \n
                      \n
                    • <\/li>\n<\/ul>\n
                      sudo rpm -ivh\u00a0--force<\/span>\u00a0--nodeps<\/span>\u00a0*.rpm<\/span><\/code><\/pre>\n<\/section>\n
                      \u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u52a1\u5fc5\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u91cd\u542f\u7cfb\u7edf\uff0c\u4f7f\u65b0\u5185\u6838\u751f\u6548\uff1a<\/span><\/span><\/p>\n
                      \n
                        \n
                      • <\/li>\n<\/ul>\n
                        sudo<\/span>\u00a0reboot<\/code><\/pre>\n<\/section>\n
                        \u25c9\u00a0<\/span><\/span><\/span><\/b><\/span><\/b>\u4fee\u590d\u9a8c\u8bc1<\/span><\/span><\/span><\/p>\n
                        \u6267\u884c uname -a \u547d\u4ee4\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u5185\u6838\u7248\u672c\uff0c\u5e76\u4e0e USRC \u516c\u544a\u4e2d CVE-2026-43499 \u5bf9\u5e94\u7cfb\u7edf\u7248\u672c\u7684\u4fee\u590d\u7248\u672c\u8fdb\u884c\u6bd4\u5bf9\u3002\u82e5\u5f53\u524d\u5185\u6838\u7248\u672c\u5927\u4e8e\u7b49\u4e8e USRC \u4e0a\u7684\u4fee\u590d\u7248\u672c\uff0c\u5219\u6f0f\u6d1e\u5df2\u4fee\u590d\uff0c\u5426\u5219\u6f0f\u6d1e\u672a\u4fee\u590d\u3002<\/span><\/span><\/p>\n
                        \n
                          \n
                        • <\/li>\n<\/ul>\n
                          uname<\/span>\u00a0-a<\/code><\/pre>\n<\/section>\n
                          \u8be5\u6f0f\u6d1e\u6682\u65e0\u4e34\u65f6\u7f13\u89e3\u65b9\u6848\u3002\u8bf7\u5173\u6ce8\u5b89\u5168\u516c\u544a\uff0c\u5e76\u53ca\u65f6\u5b89\u88c5\u8865\u4e01\u3002<\/span><\/span><\/p>\n
                          \"\u56fe\u7247\"<\/span><\/span><\/p>\n
                          \u5185\u5bb9\u6765\u6e90\uff1a\u5b89\u5168\u6280\u672f\u90e8<\/span><\/span><\/section>\n
                          \u7f16\u8f91\u5ba1\u6821\uff1a\u516c\u5171\u4e8b\u52a1\u90e8<\/span><\/span><\/p>\n
                          \"\u56fe\u7247\"<\/section>\n
                          \"\u56fe\u7247\"<\/section>\n
                          \n","protected":false},"excerpt":{"rendered":"
                          \u8fd1\u671f\uff0c\u7edf\u4fe1\u5b89\u5168\u5e94\u6025\u54cd\u5e94\u4e2d\u5fc3\uff08USRC\uff09\u76d1\u63a7\u5230Linux\u5185\u6838\u5b58\u5728\u4e00\u4e2a\u9ad8\u5371\u672c\u5730\u63d0\u6743\u6f0f\u6d1e\uff0c\u6f0f\u6d1e\u4ee3\u53f7\u4e3a\u201cGhostLo […]<\/p>\n","protected":false},"author":1,"featured_media":2335,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-2336","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uos"],"_links":{"self":[{"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/posts\/2336","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/comments?post=2336"}],"version-history":[{"count":1,"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/posts\/2336\/revisions"}],"predecessor-version":[{"id":2337,"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/posts\/2336\/revisions\/2337"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/media\/2335"}],"wp:attachment":[{"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/media?parent=2336"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/categories?post=2336"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.o6s.net\/index.php\/wp-json\/wp\/v2\/tags?post=2336"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}