{"id":81160,"date":"2026-06-27T12:18:30","date_gmt":"2026-06-27T08:48:30","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-49417-multiple-vulnerabilities-in-the-sound4-mmap-path\/"},"modified":"2026-06-27T12:18:30","modified_gmt":"2026-06-27T08:48:30","slug":"cve-2026-49417-multiple-vulnerabilities-in-the-sound4-mmap-path","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-49417-multiple-vulnerabilities-in-the-sound4-mmap-path\/","title":{"rendered":"CVE-2026-49417 &#8211; Multiple vulnerabilities in the sound(4) mmap path"},"content":{"rendered":"<p>CVE ID :CVE-2026-49417<\/p>\n<p>  Published : June 27, 2026, 8:48 a.m. | 57\u00a0minutes ago<\/p>\n<p>  Description :Second, the audio buffer backing a mapping could be freed when the device was closed even though the mapping remained valid.  The freed memory could then be reused elsewhere while still accessible through the stale mapping.<\/p>\n<p>The \/dev\/dsp device nodes are world-accessible by default.  On a system with an audio device, either issue allows an unprivileged local user to read and write kernel memory, which can be used to escalate privileges, potentially gaining full control of the affected system.  At a minimum, an attacker can crash the kernel, resulting in a Denial of Service (DoS).<\/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-2026-49417 Published : June 27, 2026, 8:48 a.m. | 57\u00a0minutes ago Description :Second, the audio buffer backing a mapping could be freed when the device was closed even though the mapping remained valid. The freed memory could then be reused elsewhere while still accessible through the stale mapping. The \/dev\/dsp device nodes are &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-81160","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81160","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=81160"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81160\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=81160"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=81160"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=81160"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}