Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: ext4: replace BUGON with proper error handling in ext4readinlinefolio CVE-2026-31451 In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: fix NULL pointer dereference in epqueue...

Linux Distros Unpatched Vulnerability : CVE-2026-64009

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: Check for underflow in xfrmstatemtu Leo Lin reported OOB write issue in esp component: xfrmstatemtu returns u32 but performs its arithmetic in unsigned...

Linux Distros Unpatched Vulnerability : CVE-2026-63919

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: input: hold netns during deferred transport reinjection Transport-mode reinjection stores a struct net pointer in skb-cb and uses it later from...

Linux Distros Unpatched Vulnerability : CVE-2026-63914

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: route MIGRATE notifications to caller's netns xfrmsendmigrate in net/xfrm/xfrmuser.c and pfkeysendmigrate in net/key/afkey.c both hardcode &initnet for t...

CVE-2026-64009

In the Linux kernel, the following vulnerability has been resolved: xfrm: Check for underflow in xfrmstatemtu Leo Lin reported OOB write issue in esp component: xfrmstatemtu returns u32 but performs its arithmetic in unsigned modulo-2^32 space using an attacker-influenced "headerlen + authsize +...

CVE-2026-63914

In the Linux kernel, the following vulnerability has been resolved: xfrm: route MIGRATE notifications to caller's netns xfrmsendmigrate in net/xfrm/xfrmuser.c and pfkeysendmigrate in net/key/afkey.c both hardcode &initnet for the multicast that announces a successful XFRMMSGMIGRATE / SADBXMIGRATE...

CVE-2026-63912

In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: restore combined single-frag length gate The ESP out-of-place fast path appends the trailer in espoutputhead before espoutputtail allocates the destination page frag. The head-side gate currently checks skb-datalen and...

CVE-2026-63911

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: reset runtime state when cloning SAs iptfsclonestate clones the IPTFS mode data with kmemdup. This copies runtime objects which must not be shared with the original SA, including the embedded skbuffhead, hrtimers,...

CVE-2026-64009

In the Linux kernel, the following vulnerability has been resolved: xfrm: Check for underflow in xfrmstatemtu Leo Lin reported OOB write issue in esp component: xfrmstatemtu returns u32 but performs its arithmetic in unsigned modulo-2^32 space using an attacker-influenced "headerlen + authsize +...

CVE-2026-64009 xfrm: Check for underflow in xfrm_state_mtu

In the Linux kernel, the following vulnerability has been resolved: xfrm: Check for underflow in xfrmstatemtu Leo Lin reported OOB write issue in esp component: xfrmstatemtu returns u32 but performs its arithmetic in unsigned modulo-2^32 space using an attacker-influenced "headerlen + authsize +...

EUVD-2026-45582

In the Linux kernel, the following vulnerability has been resolved: xfrm: Check for underflow in xfrmstatemtu Leo Lin reported OOB write issue in esp component: xfrmstatemtu returns u32 but performs its arithmetic in unsigned modulo-2^32 space using an attacker-influenced "headerlen + authsize +...

CVE-2026-64009

The CVE-2026-64009 family affects the Linux kernel xfrm subsystem, specifically an out-of-bounds write in ESP handling due to an underflow in xfrm_state_mtu(). The function computes using unsigned arithmetic: it subtracts attacker-influenced header_len + authsize + net_adj from a small mtu, allow...

CVE-2026-63919

In the Linux kernel, the following vulnerability has been resolved: xfrm: input: hold netns during deferred transport reinjection Transport-mode reinjection stores a struct net pointer in skb-cb and uses it later from xfrmtransreinject. That pointer must stay valid until the deferred callback run...

CVE-2026-63919

The CVE-2026-63919 entry concerns the Linux kernel's xfrm input path and deferred transport reinjection. The vulnerability stems from storing a struct net pointer in skb->cb and later using it in xfrm_trans_reinject() without ensuring the netns lifetime, risking dereferencing a torn-down names...

EUVD-2026-45692

In the Linux kernel, the following vulnerability has been resolved: xfrm: input: hold netns during deferred transport reinjection Transport-mode reinjection stores a struct net pointer in skb-cb and uses it later from xfrmtransreinject. That pointer must stay valid until the deferred callback run...

CVE-2026-63919 xfrm: input: hold netns during deferred transport reinjection

In the Linux kernel, the following vulnerability has been resolved: xfrm: input: hold netns during deferred transport reinjection Transport-mode reinjection stores a struct net pointer in skb-cb and uses it later from xfrmtransreinject. That pointer must stay valid until the deferred callback run...

CVE-2026-63914

In the Linux kernel, the following vulnerability has been resolved: xfrm: route MIGRATE notifications to caller's netns xfrmsendmigrate in net/xfrm/xfrmuser.c and pfkeysendmigrate in net/key/afkey.c both hardcode &initnet for the multicast that announces a successful XFRMMSGMIGRATE / SADBXMIGRATE...

EUVD-2026-45687

In the Linux kernel, the following vulnerability has been resolved: xfrm: route MIGRATE notifications to caller's netns xfrmsendmigrate in net/xfrm/xfrmuser.c and pfkeysendmigrate in net/key/afkey.c both hardcode &initnet for the multicast that announces a successful XFRMMSGMIGRATE / SADBXMIGRATE...

CVE-2026-63912 xfrm: esp: restore combined single-frag length gate

In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: restore combined single-frag length gate The ESP out-of-place fast path appends the trailer in espoutputhead before espoutputtail allocates the destination page frag. The head-side gate currently checks skb-datalen and...

CVE-2026-63912

In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: restore combined single-frag length gate The ESP out-of-place fast path appends the trailer in espoutputhead before espoutputtail allocates the destination page frag. The head-side gate currently checks skb-datalen and...