CVE-2026-72429: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: fix type confusion of dstentry IOAM uses a dummy dstentrynulldst to mark that the destination should not be changed after the transformation. This dst is stored in the IOAM lwt state and may be passed to dstcachesetip...

CVE-2026-74561: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nexthop: avoid unlocked f6ilist walk in nhrtcacheflush nhrtcacheflush walks nh-f6ilist during an RTNL-serialized nexthop replace without holding nh-lock, racing the unlocked IPv6 route add/delete that mutate the list under nh-loc...

PT-2026-73014

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A slab-use-after-free issue exists in the Linux kernel during nexthop replacement. The functions fib6 check nh list and nexthop replace notify traverse the nh-f6i list without holding th...

PT-2026-73015

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A slab-use-after-free issue exists in the Linux kernel. The function rds tcp laddr check retrieves a scoped IPv6 interface using dev get by index rcu but releases the RCU read-side lock...

CVE-2026-68477: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ipvs: fix more places with wrong ipv6 transport offsets Sashiko reports for more incorrect IPv6 transport offsets. The app code for TCP was assuming IPv4 network header even after the ipvsh argument was provided. This can cause...

PT-2026-72834

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the IPv6 address configuration. The addrconf dad failure function transitions the ifp-state from DAD to POSTDAD via addrconf dad end, which releases the...

PT-2026-72536

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter ip6tables component where malformed IPv6 extension headers could bypass rules intended to drop them. The ah, hbh, and rt matches verify the presence of t...

CVE-2026-72348: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: ip6tables: mark malformed IPv6 extension headers for hotdrop The ah, hbh and rt matches check that the fixed extension header is present, then use the header length field to derive the advertised extension header lengt...

PT-2026-72189

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the IPVS component where incorrect IPv6 transport offsets are used. The TCP application code incorrectly assumes an IPv4 network header even when the ipvsh argument is...

CVE-2026-74398: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ipv6: addrconf: bail out of dadfailure when state is no longer POSTDAD addrconfdadfailure transitions ifp-state from DAD to POSTDAD via addrconfdadend, which drops ifp-lock on return. The lock is re-acquired after...

Linux Distros Unpatched Vulnerability : CVE-2026-74563

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rds: tcp: hold the RCU lock across ipv6chkaddr in rdstcpladdrcheck rdstcpladdrcheck looks up a scoped IPv6 interface with devgetbyindexrcu, drops the RCU...

Linux Distros Unpatched Vulnerability : CVE-2026-72392

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv6: fib6: fix NULL deref in fib6walkcontinue on multi-batch dump inet6dumpfib saves its progress in cb-args1 as a positional index within the current hash...

PT-2026-73002

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists where the system may send un-rate-limited ICMP/NDISC Redirect messages when peer allocation fails due to memory pressure or tree size caps. This occurs because the...

PT-2026-72438

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter module where the nf ct frag6 reasm function unconditionally advances the skb-mac header variable after sliding the packet head forward to drop the IPv6...

CVE-2026-72021: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ipvs: use parsed transport offset in SCTP state lookup setsctpstate reads the SCTP chunk header again in order to drive the IPVS SCTP state table. For IPv6 it computes the offset with sizeofstruct ipv6hdr, while the surrounding...

PT-2026-72210

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the IPVS IP Virtual Server component where the set sctp state function incorrectly reads the SCTP chunk header for IPv6 packets containing extension headers. Instead o...

CVE-2026-72250: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackreasm: guard macheader adjustment after IPv6 defrag nfctfrag6reasm slides the packet head forward to drop the IPv6 fragment header and then unconditionally advances skb-macheader: skb-macheader += sizeofstru...

PT-2026-72690

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the IPv6 TCP implementation where the ip6 default advmss function can return a value of 65535 IPV6 MAXPLEN when the Maximum Transmission Unit MTU is large. This value ...

CVE-2026-72502: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: tcp: ipv6: clamp default adverting MSS to avoid GSOBYFRAGS 0xFFFF When MTU is large, ip6defaultadvmss can return IPV6MAXPLEN 65535. This is interpreted by TCP as mssclamp, allowing the MSS to reach 65535. However, 0xFFFF is also...

CVE-2026-73213

A flaw was found in Coturn. An authenticated TURN client can bypass configured IP address restrictions due to an incorrect component-wise IPv6 comparison in the addrlesseq function. This allows the client to relay traffic to an IPv6 peer that should be denied, leading to a Server-Side Request...