{"id":68256,"date":"2025-08-16T15:31:54","date_gmt":"2025-08-16T12:01:54","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2025-38519-linux-kernel-divide-by-zero-vulnerability-in-damon_get_intervals_score\/"},"modified":"2025-08-16T15:31:54","modified_gmt":"2025-08-16T12:01:54","slug":"cve-2025-38519-linux-kernel-divide-by-zero-vulnerability-in-damon_get_intervals_score","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2025-38519-linux-kernel-divide-by-zero-vulnerability-in-damon_get_intervals_score\/","title":{"rendered":"CVE-2025-38519 &#8211; &#8220;Linux Kernel Divide by Zero Vulnerability in damon_get_intervals_score()&#8221;"},"content":{"rendered":"<p><strong>CVE ID : <\/strong>CVE-2025-38519<br \/>\n<br \/>\n<strong>Published : <\/strong> Aug. 16, 2025, 11:15 a.m. | 45\u00a0minutes ago<br \/>\n<br \/>\n<strong>Description : <\/strong>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>mm\/damon: fix divide by zero in damon_get_intervals_score()<\/p>\n<p>The current implementation allows having zero size regions with no special<br \/>\nreasons, but damon_get_intervals_score() gets crashed by divide by zero<br \/>\nwhen the region size is zero.<\/p>\n<p>  [   29.403950] Oops: divide error: 0000 [#1] SMP NOPTI<\/p>\n<p>This patch fixes the bug, but does not disallow zero size regions to keep<br \/>\nthe backward compatibility since disallowing zero size regions might be a<br \/>\nbreaking change for some users.<\/p>\n<p>In addition, the same crash can happen when intervals_goal.access_bp is<br \/>\nzero so this should be fixed in stable trees as well.<br \/>\n<br \/>\n<strong>Severity:<\/strong> 0.0 | NA<br \/>\n<br \/>\nVisit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID : CVE-2025-38519 Published : Aug. 16, 2025, 11:15 a.m. | 45\u00a0minutes ago Description : In the Linux kernel, the following vulnerability has been resolved: mm\/damon: fix divide by zero in damon_get_intervals_score() The current implementation allows having zero size regions with no special reasons, but damon_get_intervals_score() gets crashed by divide by zero when the &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-68256","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/68256","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=68256"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/68256\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=68256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=68256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=68256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}