https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Mon, 28 Sep 2026 20:55:47 +0000 https://vulnerability.circl.lu/vuln/cve-2026-31407 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>netfilter: conntrack: add missing netlink policy validations</p> <p>Hyunwoo Kim reports out-of-bounds access in sctp and ctnetlink.</p> <p>These attributes are used by the kernel without any validation. Extend the netlink policies accordingly.</p> <p>Quoting the reporter: nlattr_to_sctp() assigns the user-supplied CTA_PROTOINFO_SCTP_STATE value directly to ct-&gt;proto.sctp.state without checking that it is within the valid range. [..]</p> <p>and: ... with exp-&gt;dir = 100, the access at ct-&gt;master-&gt;tuplehash[100] reads 5600 bytes past the start of a 320-byte nf_conn object, causing a slab-out-of-bounds read confirmed by UBSAN.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>netfilter: conntrack: add missing netlink policy validations</p> <p>Hyunwoo Kim reports out-of-bounds access in sctp and ctnetlink.</p> <p>These attributes are used by the kernel without any validation. Extend the netlink policies accordingly.</p> <p>Quoting the reporter: nlattr_to_sctp() assigns the user-supplied CTA_PROTOINFO_SCTP_STATE value directly to ct-&gt;proto.sctp.state without checking that it is within the valid range. [..]</p> <p>and: ... with exp-&gt;dir = 100, the access at ct-&gt;master-&gt;tuplehash[100] reads 5600 bytes past the start of a 320-byte nf_conn object, causing a slab-out-of-bounds read confirmed by UBSAN.</p> https://vulnerability.circl.lu/vuln/cve-2026-31407