{"id":73447,"date":"2025-11-12T14:45:48","date_gmt":"2025-11-12T11:15:48","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2025-40175-idpf-cleanup-remaining-skbs-in-ptp-flows\/"},"modified":"2025-11-12T14:45:48","modified_gmt":"2025-11-12T11:15:48","slug":"cve-2025-40175-idpf-cleanup-remaining-skbs-in-ptp-flows","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2025-40175-idpf-cleanup-remaining-skbs-in-ptp-flows\/","title":{"rendered":"CVE-2025-40175 &#8211; idpf: cleanup remaining SKBs in PTP flows"},"content":{"rendered":"<p>CVE ID : CVE-2025-40175<\/p>\n<p>Published :  Nov. 12, 2025, 11:15 a.m. | 16\u00a0minutes ago<\/p>\n<p>Description : In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>idpf: cleanup remaining SKBs in PTP flows<\/p>\n<p>When the driver requests Tx timestamp value, one of the first steps is<br \/>\nto clone SKB using skb_get. It increases the reference counter for that<br \/>\nSKB to prevent unexpected freeing by another component.<br \/>\nHowever, there may be a case where the index is requested, SKB is<br \/>\nassigned and never consumed by PTP flows &#8211; for example due to reset during<br \/>\nrunning PTP apps.<\/p>\n<p>Add a check in release timestamping function to verify if the SKB<br \/>\nassigned to Tx timestamp latch was freed, and release remaining SKBs.<\/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-2025-40175 Published : Nov. 12, 2025, 11:15 a.m. | 16\u00a0minutes ago Description : In the Linux kernel, the following vulnerability has been resolved: idpf: cleanup remaining SKBs in PTP flows When the driver requests Tx timestamp value, one of the first steps is to clone SKB using skb_get. It increases the reference &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-73447","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/73447","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=73447"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/73447\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=73447"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=73447"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=73447"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}