{"id":74831,"date":"2025-12-24T16:46:29","date_gmt":"2025-12-24T13:16:29","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2025-68743-mshv-fix-create-memory-region-overlap-check\/"},"modified":"2025-12-24T16:46:29","modified_gmt":"2025-12-24T13:16:29","slug":"cve-2025-68743-mshv-fix-create-memory-region-overlap-check","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2025-68743-mshv-fix-create-memory-region-overlap-check\/","title":{"rendered":"CVE-2025-68743 &#8211; mshv: Fix create memory region overlap check"},"content":{"rendered":"<p>CVE ID : CVE-2025-68743<\/p>\n<p>Published :  Dec. 24, 2025, 1:16 p.m. | 1\u00a0hour, 5\u00a0minutes ago<\/p>\n<p>Description : In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>mshv: Fix create memory region overlap check<\/p>\n<p>The current check is incorrect; it only checks if the beginning or end<br \/>\nof a region is within an existing region. This doesn&#8217;t account for<br \/>\nuserspace specifying a region that begins before and ends after an<br \/>\nexisting region.<\/p>\n<p>Change the logic to a range intersection check against gfns and uaddrs<br \/>\nfor each region.<\/p>\n<p>Remove mshv_partition_region_by_uaddr() as it is no longer used.<\/p>\n<p>Severity: 0.0 | NA<\/p>\n<p>Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID : CVE-2025-68743 Published : Dec. 24, 2025, 1:16 p.m. | 1\u00a0hour, 5\u00a0minutes ago Description : In the Linux kernel, the following vulnerability has been resolved: mshv: Fix create memory region overlap check The current check is incorrect; it only checks if the beginning or end of a region is within an existing region. &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-74831","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/74831","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=74831"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/74831\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=74831"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=74831"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=74831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}