CVE-2026-72330

In the Linux kernel, the following vulnerability has been resolved: net/tls: Consume empty data records in tlsswreadsock A peer may send a zero-length TLS applicationdata record; TLS 1.3 explicitly permits these as a traffic-analysis countermeasure RFC 8446, Section 5.1. After decryption such a...

CVE-2026-72319

In the Linux kernel, the following vulnerability has been resolved: ipvs: ensure inner headers in ICMP errors are in headroom Sashiko points out that after stripping the outer headers with pskbpull we should ensure the inner IP headers in ICMP errors from tunnels are present in the skb headroom f...

UBUNTU-CVE-2026-72393

In the Linux kernel, the following vulnerability has been resolved: eth: fbnic: don't cache shinfo across skb realloc fbnictxlso calls skbcowhead which may reallocate the skb including the shared info. We can't use the pointer calculated before the call. BUG: KASAN: slab-use-after-free in...

CVE-2026-74310

In the Linux kernel, the following vulnerability has been resolved: vhost/net: complete zerocopy ubufs only once vhost-net initializes one ubufinfo per outstanding zerocopy TX descriptor and hands it to the backend socket. The networking stack may then clone a zerocopy skb before all skb referenc...

CVE-2026-74324

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: validate skb length in testmode query In mt7925tmquery, the response skb from mt76mcusendandgetmsg is used in a memcpy without validating its length: memcpyevtresp, skb-data + 8, MT7925EVTRSPLEN; where...

UBUNTU-CVE-2026-74260

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfdupnetdev: add nfdevxmitrecursion helpers and use them Update nftdup and nftfwd to use the nfdevxmitrecursion helpers. This patch also disables BH when transmitting the skb to address a possible migration to differen...

UBUNTU-CVE-2026-74269

In the Linux kernel, the following vulnerability has been resolved: bnxt: fix head underflow on XDP head-grow The xdp.py test testxdpnativeadjstheadgrowdata crashes when run on a bnxt machine and also crashes in NIPA. It seems that the bug is an underflow in bnxtrxmultipageskb, which builds the s...

CVE-2026-72463

In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix dev use-after-free in xfrm async resumption xfrm async resumption hold skb-dev refcnt until after transportfinish. However, xfrmrcvcb may modify skb-dev to tunnel dev without taking device reference, such as vtircvcb. T...

CVE-2026-72408

In the Linux kernel, the following vulnerability has been resolved: geneve: gate GRO hint in genevegrocomplete on gs-grohint genevegroreceive reads the GRO hint through geneveskgrohintoff, which honours it only when the socket enabled IFLAGENEVEGROHINT gs-grohint. genevegrocomplete instead calls...

UBUNTU-CVE-2026-72463

In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix dev use-after-free in xfrm async resumption xfrm async resumption hold skb-dev refcnt until after transportfinish. However, xfrmrcvcb may modify skb-dev to tunnel dev without taking device reference, such as vtircvcb. T...

UBUNTU-CVE-2026-72319

In the Linux kernel, the following vulnerability has been resolved: ipvs: ensure inner headers in ICMP errors are in headroom Sashiko points out that after stripping the outer headers with pskbpull we should ensure the inner IP headers in ICMP errors from tunnels are present in the skb headroom f...

UBUNTU-CVE-2026-74324

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: validate skb length in testmode query In mt7925tmquery, the response skb from mt76mcusendandgetmsg is used in a memcpy without validating its length: memcpyevtresp, skb-data + 8, MT7925EVTRSPLEN; where...

UBUNTU-CVE-2026-74310

In the Linux kernel, the following vulnerability has been resolved: vhost/net: complete zerocopy ubufs only once vhost-net initializes one ubufinfo per outstanding zerocopy TX descriptor and hands it to the backend socket. The networking stack may then clone a zerocopy skb before all skb referenc...

UBUNTU-CVE-2026-72442

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: fix and simplify IP6IP6 tunnel handling Fix nfflowip6tunnelproto to use pskbmaypull instead of skbheaderpointer to ensure the outer IPv6 header is in the skb headroom, which is required for subsequent packet...

CVE-2026-72253

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntracksip: validate skbdst before accessing it tc ingress and openvswitch do not guarantee routing information to be available. These subsystems use the conntrack helper infrastructure, and the SIP helper relies o...

CVE-2026-72233

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: reacquire gw address after skb realloc The pskbmaypull called by batadvblaisbackbonegw could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an...

CVE-2026-72235

In the Linux kernel, the following vulnerability has been resolved: batman-adv: retrieve ethhdr after potential skb realloc on RX pskbmaypull in batadvinterfacerx could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an...

CVE-2026-72234

In the Linux kernel, the following vulnerability has been resolved: batman-adv: access unicastttvn skb-data only after skb realloc The pskbmaypull called by batadvgetvid could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an...

CVE-2026-72230

In the Linux kernel, the following vulnerability has been resolved: batman-adv: frag: free unfragmentable packet The caller of batadvfragsendpacket assume that the skb provided to the function are always consumed. But the pre-check for an empty payload or the zero fragment size returned an error...

CVE-2026-72157

In the Linux kernel, the following vulnerability has been resolved: net: thunderbolt: Fix frags overflow by bounding framecount tbnetpoll assembles a multi-frame ThunderboltIP packet into one skb. The first frame goes into the skb linear area and every further frame is added as a page fragment...