CVE-2026-19673: Out-of-bounds Read

ethernetrecv in subsys/net/l2/ethernet/ethernet.c validates only that the first netbuf of a received frame holds a plain 14-byte struct netethhdr. When the ethertype is 0x8100 and VLAN is enabled on the interface, the same buffer is reinterpreted as the 18-byte struct netethvlanhdr without...

CVE-2026-98401: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: iptunnel: fix stale transport header during tunnel decapsulation Syzbot reported a crash in qdiscpktlensegsinit caused by a stale transportheader offset after tunnel decapsulation. BUG: unable to handle page fault for addres...

ROS-20261014-73-0081

The vulnerability of the batadvblaaddclaim function in the net/batman-adv/bridgeloopavoidance.c module, which is part of the network functions of the Linux operating system’s kernel, is related to errors during the update of the link counters. Exploiting this vulnerability could allow an attacker...

ROS-20261014-73-0001

The vulnerability of the strpabortstrp function in the net/strparser/strparser.c module of the Linux kernel is related to the failure to release resources after the expiration of their useful life. Exploiting this vulnerability could allow a remote attacker to cause service failures...

CVE-2026-98417: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: xfrm: reject unrepresentable espintcp transport headers ESP-in-TCP can hand xfrm packets whose transport header offset no longer fits after the stream parser trims the TCP envelope. The plain transport header reset truncates...

ALSA-2026:83156 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net/sched: actct: Only release RCU read lock after ctft CVE-2026-46319 kernel: net/sched: taprio: fix use-after-free in advancesched on schedule switch CVE-2026-53011 kernel: wifi:...

ALSA-2026:83207 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: netfilter: nfnetlinkqueue: do shared-unconfirmed check before segmentation CVE-2026-45859 kernel: net/sched: actct: Only release RCU read lock after ctft CVE-2026-46319 kernel: net/sched:...

Linux Distros Unpatched Vulnerability : CVE-2026-98401

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: iptunnel: fix stale transport header during tunnel decapsulation Syzbot reported a crash in qdiscpktlensegsinit caused by a stale transportheader offset...

Linux Distros Unpatched Vulnerability : CVE-2026-98427

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: codel: bound the dropping loop per dequeue call The CoDel control law schedules the next drop one interval/sqrtcount after the previous drop, using t...

Linux Distros Unpatched Vulnerability : CVE-2026-98393

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: ipv4: Fix UDP length overflow with PMTU discover and big MTU This commit bounds cork-base.fragsize to IPMAXMTU to avoid a possible overflow of UDP length...

Linux Distros Unpatched Vulnerability : CVE-2026-98402

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: icmp: avoid invalid transport header access in icmpsend tracepoint syzbot reported a WARNING triggered by DEBUGNETWARNONONCE: WARNING: at skbtransportheade...

UBUNTU-CVE-2026-98417

In the Linux kernel, the following vulnerability has been resolved: net: xfrm: reject unrepresentable espintcp transport headers ESP-in-TCP can hand xfrm packets whose transport header offset no longer fits after the stream parser trims the TCP envelope. The plain transport header reset truncates...

UBUNTU-CVE-2026-98402

In the Linux kernel, the following vulnerability has been resolved: net: icmp: avoid invalid transport header access in icmpsend tracepoint syzbot reported a WARNING triggered by DEBUGNETWARNONONCE: WARNING: at skbtransportheader include/linux/skbuff.h:3087 inline WARNING: at udphdr...

UBUNTU-CVE-2026-98393

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: Fix UDP length overflow with PMTU discover and big MTU This commit bounds cork-base.fragsize to IPMAXMTU to avoid a possible overflow of UDP length that triggers a WARN in udpsetlenshort when setsockopt IPMTUDISCOVER i...

UBUNTU-CVE-2026-98401

In the Linux kernel, the following vulnerability has been resolved: net: iptunnel: fix stale transport header during tunnel decapsulation Syzbot reported a crash in qdiscpktlensegsinit caused by a stale transportheader offset after tunnel decapsulation. BUG: unable to handle page fault for addres...

Linux Distros Unpatched Vulnerability : CVE-2026-98417

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: xfrm: reject unrepresentable espintcp transport headers ESP-in-TCP can hand xfrm packets whose transport header offset no longer fits after the stream pars...

Ubuntu 22.04 LTS : Google Guest Agent, Google OS Config Agent vulnerability (USN-8914-1)

The remote Ubuntu 22.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8914-1 advisory. It was discovered that the Go x/net/idna package, vendored in Google Guest Agent and Google OS Config Agent, incorrectly accepted Punycode-encoded labels that...

UBUNTU-CVE-2026-98427

In the Linux kernel, the following vulnerability has been resolved: net/sched: codel: bound the dropping loop per dequeue call The CoDel control law schedules the next drop one interval/sqrtcount after the previous drop, using the configured interval codelparams.interval. For very small intervals...

Microsoft Patches More Than 1,400 Security Flaws

Microsoft today issued updates to fix more than 1,400 security vulnerabilities in its Windows operating systems and other software. Today's epic patch batch dwarfs September's record of nearly 1,000 fixes, which was already about ten times the normal monthly patch load from Redmond. Just one of t...

Patch Tuesday - October 2026

Microsoft is publishing 1,413 own-product vulnerabilities on October 2026 Patch Tuesday, including 1,102 vulnerabilities in Windows. Anyone who enjoyed last month’s record-setting Patch Tuesday will love the October 2026 edition, because it’s much bigger still. As Rapid7 has noted over the course...