{"id":66598,"date":"2026-06-28T03:32:12","date_gmt":"2026-06-28T03:32:12","guid":{"rendered":"https:\/\/zero.redgem.net\/?p=66598"},"modified":"2026-06-28T03:32:12","modified_gmt":"2026-06-28T03:32:12","slug":"crypto-hisiliconsec2-prevent-req-used-after-free-for-sec","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=66598","title":{"rendered":"crypto: hisilicon\/sec2 &#8211; prevent req used-after-free for sec_CVE-2026-53055"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;In the Linux kernel, the following vulnerability has been resolved:\\n\\ncrypto: hisilicon\/sec2 &#8211; prevent req used-after-free for sec\\n\\nDuring packet transmission, if the system is under heavy load,\\nthe hardware might complete processing the packet and free the\\nrequest memory (req) before the transmission function finishes.\\nIf the software subsequently accesses this req, a use-after-free\\nerror will occur. The qp_ctx memory exists throughout the packet\\nsending process, so replace the req with the qp_ctx.&#8221;,&#8221;published&#8221;:&#8221;2026-06-24T16:30:00.876Z&#8221;,&#8221;modified&#8221;:&#8221;2026-06-28T06:38:47.302Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;crypto: hisilicon\/sec2 &#8211; prevent req used-after-free for sec&#8221;,&#8221;source&#8221;:&#8221;Linux&#8221;,&#8221;references&#8221;:&#8221;https:\/\/git.kernel.org\/stable\/c\/b375c3c7209cc59e40e97998aa9bc768369cca0e\\nhttps:\/\/git.kernel.org\/stable\/c\/ad73563f3a1edbfddf2724136c6a15826b354e18\\nhttps:\/\/git.kernel.org\/stable\/c\/67b53a660e6bf0da2fa8d8872e897a14d8059eaf&#8221;,&#8221;id&#8221;:&#8221;CVE-2026-53055&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:null,&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;Linux Linux f0ae287c50455f7be0d8dd45a803d403c7aa4d2e\\nLinux Linux f0ae287c50455f7be0d8dd45a803d403c7aa4d2e\\nLinux Linux f0ae287c50455f7be0d8dd45a803d403c7aa4d2e\\nLinux Linux 6.17&#8243;,&#8221;sourceHref&#8221;:&#8221;&#8221;,&#8221;cvss&#8221;:{&#8220;score&#8221;:9.8,&#8221;severity&#8221;:&#8221;CRITICAL&#8221;,&#8221;vector&#8221;:&#8221;CVSS:3.1\/AV:N\/AC:L\/PR:N\/UI:N\/S:U\/C:H\/I:H\/A:H&#8221;,&#8221;version&#8221;:&#8221;3.1&#8243;},&#8221;cvss2&#8243;:{},&#8221;cvss3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;,&#8221;cvssV3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;}},&#8221;href&#8221;:&#8221;&#8221;,&#8221;category_name&#8221;:&#8221;CVE&#8221;,&#8221;post_link&#8221;:&#8221;&#8221;,&#8221;product&#8221;:&#8221;Linux&#8221;,&#8221;version&#8221;:&#8221;f0ae287c50455f7be0d8dd45a803d403c7aa4d2e&#8221;,&#8221;vendor&#8221;:&#8221;Linux&#8221;,&#8221;ai_description&#8221;:&#8221;&#8221;,&#8221;ai_severity&#8221;:&#8221;&#8221;,&#8221;ai_vendor&#8221;:&#8221;&#8221;,&#8221;ai_product&#8221;:&#8221;&#8221;,&#8221;ai_version&#8221;:&#8221;&#8221;,&#8221;ai_score&#8221;:0}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;In the Linux kernel, the following vulnerability has been resolved:\\n\\ncrypto: hisilicon\/sec2 &#8211; prevent req used-after-free for sec\\n\\nDuring packet transmission, if the system is under heavy&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[9,6,8,35,12,13,7,11,5],"class_list":["post-66598","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-critical","tag-cve","tag-cvss","tag-cvss-98","tag-exploit","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>crypto: hisilicon\/sec2 - prevent req used-after-free for sec_CVE-2026-53055 - zero redgem<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zero.redgem.net\/?p=66598\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"crypto: hisilicon\/sec2 - prevent req used-after-free for sec_CVE-2026-53055 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;In the Linux kernel, the following vulnerability has been resolved:nncrypto: hisilicon\/sec2 &#8211; 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