{"id":65325,"date":"2025-06-30T12:32:07","date_gmt":"2025-06-30T09:02:07","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2025-38090-linux-kernel-rapidio-heap-overwrite-vulnerability\/"},"modified":"2025-06-30T12:32:07","modified_gmt":"2025-06-30T09:02:07","slug":"cve-2025-38090-linux-kernel-rapidio-heap-overwrite-vulnerability","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2025-38090-linux-kernel-rapidio-heap-overwrite-vulnerability\/","title":{"rendered":"CVE-2025-38090 &#8211; Linux Kernel Rapidio Heap Overwrite Vulnerability"},"content":{"rendered":"<p><strong>CVE ID : <\/strong>CVE-2025-38090<br \/>\n<br \/>\n<strong>Published : <\/strong> June 30, 2025, 8:15 a.m. | 43\u00a0minutes ago<br \/>\n<br \/>\n<strong>Description : <\/strong>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>drivers\/rapidio\/rio_cm.c: prevent possible heap overwrite<\/p>\n<p>In<\/p>\n<p>riocm_cdev_ioctl(RIO_CM_CHAN_SEND)<br \/>\n   -&gt; cm_chan_msg_send()<br \/>\n      -&gt; riocm_ch_send()<\/p>\n<p>cm_chan_msg_send() checks that userspace didn&#8217;t send too much data but<br \/>\nriocm_ch_send() failed to check that userspace sent sufficient data.  The<br \/>\nresult is that riocm_ch_send() can write to fields in the rio_ch_chan_hdr<br \/>\nwhich were outside the bounds of the space which cm_chan_msg_send()<br \/>\nallocated.<\/p>\n<p>Address this by teaching riocm_ch_send() to check that the entire<br \/>\nrio_ch_chan_hdr was copied in from userspace.<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-2025-38090 Published : June 30, 2025, 8:15 a.m. | 43\u00a0minutes ago Description : In the Linux kernel, the following vulnerability has been resolved: drivers\/rapidio\/rio_cm.c: prevent possible heap overwrite In riocm_cdev_ioctl(RIO_CM_CHAN_SEND) -&gt; cm_chan_msg_send() -&gt; riocm_ch_send() cm_chan_msg_send() checks that userspace didn&#8217;t send too much data but riocm_ch_send() failed to check that userspace sent sufficient &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-65325","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/65325","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=65325"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/65325\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=65325"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=65325"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=65325"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}