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A use-after-free vulnerability in the Linux kernel ip6_vti subsystem affects IPv6 VTI packet transmission. The flaw occurs in the interaction between ip6_vti transmission and decode_session6 when an ipv6_vti device is configured with an sfb queueing discipline. During enqueuing, the skb control buffer can be modified, but decode_session6 later consumes state derived from that buffer even though xfrm_decode_session was originally intended for the receive path and IP6CB(skb)->nhoff is not initialized for transmission. This can result in a slab use-after-free read in decode_session6 while the device is sending IPv6 packets. The upstream fix clears the skb control buffer before transmission to prevent stale or invalid control-buffer state from being interpreted on the transmit path.
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No public exploit code observed for this vulnerability.
35 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Referenced as one of many vulnerabilities addressed by SUSE security updates.
A vulnerability fixed by the referenced SUSE kernel update.
A vulnerability listed as fixed by SUSE security updates affecting SUSE Linux Micro packages.
A vulnerability listed as fixed by a SUSE security update affecting kernel-source-rt packages for SUSE Linux Micro 6.0 and 6.1.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.