https://db.gcve.eu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Mon, 02 Nov 2026 23:11:41 +0000 https://db.gcve.eu/vuln/cve-2026-98687 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>thunderbolt: Reject oversized XDomain properties responses</p> <p>tb_xdp_properties_request() allocates room for 45 data dwords in its 252-byte response buffer. The XDomain length field is six bits wide, however, and a malicious peer can set it to 63. After the fixed response fields are subtracted, the driver treats this as 48 data dwords.</p> <p>Commit 322e93448d90 (&#34;thunderbolt: Clamp XDomain response data copy to allocation size&#34;) only bounds the copy against data_len. If data_len is at least 48, memcpy() reads 192 bytes from the 180-byte res-&gt;data array, causing a 12-byte heap out-of-bounds read. Commit 4db2bd2ed478 (&#34;thunderbolt: Limit XDomain response copy to actual frame size&#34;) limits the earlier copy but does not constrain this header-derived length.</p> <p>Reject response data lengths that exceed the allocated source buffer before copying them into the assembled property block.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>thunderbolt: Reject oversized XDomain properties responses</p> <p>tb_xdp_properties_request() allocates room for 45 data dwords in its 252-byte response buffer. The XDomain length field is six bits wide, however, and a malicious peer can set it to 63. After the fixed response fields are subtracted, the driver treats this as 48 data dwords.</p> <p>Commit 322e93448d90 (&#34;thunderbolt: Clamp XDomain response data copy to allocation size&#34;) only bounds the copy against data_len. If data_len is at least 48, memcpy() reads 192 bytes from the 180-byte res-&gt;data array, causing a 12-byte heap out-of-bounds read. Commit 4db2bd2ed478 (&#34;thunderbolt: Limit XDomain response copy to actual frame size&#34;) limits the earlier copy but does not constrain this header-derived length.</p> <p>Reject response data lengths that exceed the allocated source buffer before copying them into the assembled property block.</p> https://db.gcve.eu/vuln/cve-2026-98687