CVE-2026-80846 xfrm: drop ESP-in-TCP packets with no ingress device

In the Linux kernel, the following vulnerability has been resolved: xfrm: drop ESP-in-TCP packets with no ingress device ESP-in-TCP receives records through the TCP strparser. handleesp restores skb-dev from the saved skbiif before passing the packet into the XFRM input path. Queued TCP data can ...

CVE-2026-80846

In the Linux kernel, the following vulnerability has been resolved: xfrm: drop ESP-in-TCP packets with no ingress device ESP-in-TCP receives records through the TCP strparser. handleesp restores skb-dev from the saved skbiif before passing the packet into the XFRM input path. Queued TCP data can ...

CVE-2026-80846 xfrm: drop ESP-in-TCP packets with no ingress device

In the Linux kernel, the following vulnerability has been resolved: xfrm: drop ESP-in-TCP packets with no ingress device ESP-in-TCP receives records through the TCP strparser. handleesp restores skb-dev from the saved skbiif before passing the packet into the XFRM input path. Queued TCP data can ...

CVE-2026-80846

CVE-2026-80846 is a NULL pointer dereference in the Linux kernel affecting the XFRM ESP-in-TCP path. When queued TCP data is processed after the original ingress device has been removed (e.g., during veth or network namespace teardown), handle_esp() restores skb->dev from the saved skb_iif, bu...

EUVD-2026-71296

In the Linux kernel, the following vulnerability has been resolved: xfrm: drop ESP-in-TCP packets with no ingress device ESP-in-TCP receives records through the TCP strparser. handleesp restores skb-dev from the saved skbiif before passing the packet into the XFRM input path. Queued TCP data can ...

PT-2026-85724

In the Linux kernel, the following vulnerability has been resolved: xfrm: drop ESP-in-TCP packets with no ingress device ESP-in-TCP receives records through the TCP strparser. handle esp restores skb-dev from the saved skb iif before passing the packet into the XFRM input path. Queued TCP data ca...

PT-2026-91308

In the Linux kernel, the following vulnerability has been resolved: xfrm: drop ESP-in-TCP packets with no ingress device ESP-in-TCP receives records through the TCP strparser. handle esp restores skb-dev from the saved skb iif before passing the packet into the XFRM input path. Queued TCP data ca...

CVE-2026-80846: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: xfrm: drop ESP-in-TCP packets with no ingress device ESP-in-TCP receives records through the TCP strparser. handleesp restores skb-dev from the saved skbiif before passing the packet into the XFRM input path. Queued TCP data can ...

Linux Distros Unpatched Vulnerability : CVE-2026-80846

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: drop ESP-in-TCP packets with no ingress device ESP-in-TCP receives records through the TCP strparser. handleesp restores skb-dev from the saved skbiif...

The vulnerability of the esp_output_done() function in the net/ipv4/esp4.c module of the IPv4 protocol implementation in the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the espoutputdone function in the net/ipv4/esp4.c module of the IPv4 protocol implementation in the Linux operating system is related to incomplete cleanup of temporary or auxiliary resources. Exploiting this vulnerability can allow an attacker to cause a service failure...

EUVD-2026-63752

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 A stack memory corruption vulnerability exists in the AIX IPsec ESP decapsulation handler. Successful exploitation may corrupt kernel stack state and cause a system crash, resulting in denial of service...

CVE-2026-19448

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 A stack memory corruption vulnerability exists in the AIX IPsec ESP decapsulation handler. Successful exploitation may corrupt kernel stack state and cause a system crash, resulting in denial of service...

CVE-2026-19448 Vulnerabilities in IBM AIX and PowerVM VIOS

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 A stack memory corruption vulnerability exists in the AIX IPsec ESP decapsulation handler. Successful exploitation may corrupt kernel stack state and cause a system crash, resulting in denial of service...

CVE-2026-19448

CVE-2026-19448 is a stack memory corruption vulnerability in the AIX IPsec ESP decapsulation handler , affecting IBM AIX 7.2, 7.3 and IBM PowerVM VIOS 4.1 . Successful exploitation can corrupt kernel stack state and trigger a system crash , resulting in denial of service . NVD assigns a CVSS 3.1 ...

CVE-2026-19448 Vulnerabilities in IBM AIX and PowerVM VIOS

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 A stack memory corruption vulnerability exists in the AIX IPsec ESP decapsulation handler. Successful exploitation may corrupt kernel stack state and cause a system crash, resulting in denial of service...

CVE-2026-19448: Use of Uninitialized Resource

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 A stack memory corruption vulnerability exists in the AIX IPsec ESP decapsulation handler. Successful exploitation may corrupt kernel stack state and cause a system crash, resulting in denial of service...

PT-2026-79255

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.2 and 7.3 IBM PowerVM VIOS version 4.1 Description A stack memory corruption issue exists in the AIX IPsec ESP decapsulation handler. This can lead to the corruption of the kernel stack state, potentially causing a system...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099731)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099731 advisory. 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:...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-100097)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100097 advisory. 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...

USN-8548-2: Linux kernel vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...