Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-43093)

In the Linux kernel, the following vulnerability has been resolved: xsk: tighten UMEM headroom validation to account for tailroom and min frame The current headroom validation in xdpumemreg could leave us with insufficient space dedicated to even receive minimum-sized ethernet frame. Furthermore ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xsk: The UMEM headroom validation has been improved to account for tailroom and minimum frame size. The current headroom validation in xdpumemreg might result in insufficient space being reserved for receiving Ethernet frames of...

xdp_umem_reg() Kernel Data Compromise

The vulnerability of the xdpumemreg function in the net/xdp/xdpumem.c module, which implements networking functions for the Linux kernel, is related to the execution of operations outside of memory buffers. Exploiting this vulnerability could allow an attacker to compromise the confidentiality,...

CVE-2026-43093 xsk: tighten UMEM headroom validation to account for tailroom and min frame

In the Linux kernel, the following vulnerability has been resolved: xsk: tighten UMEM headroom validation to account for tailroom and min frame The current headroom validation in xdpumemreg could leave us with insufficient space dedicated to even receive minimum-sized ethernet frame. Furthermore ...

CVE-2026-43093: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: xsk: tighten UMEM headroom validation to account for tailroom and min frame The current headroom validation in xdpumemreg could leave us with insufficient space dedicated to even receive minimum-sized ethernet frame. Furthermore ...

Linux xsk Heap Buffer Overflow DoS

The vulnerability of the xdpumemreg function in the xsk component of the Linux operating system’s kernel is related to the copying of buffers without checking the size of the input data. Exploiting this vulnerability could allow an attacker to cause a service failure...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993180)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993180 advisory. In the Linux kernel, the following vulnerability has been resolved: xsk: Add missing overflow check in xdpumemreg The number of chunks can overflow u32. Make sure to...

CVE-2023-53080

In the Linux kernel, the following vulnerability has been resolved: xsk: Add missing overflow check in xdpumemreg The number of chunks can overflow u32. Make sure to return -EINVAL on overflow. Also remove a redundant u32 cast assigning umem-npgs...

CVE-2023-53080

In the Linux kernel, the following vulnerability has been resolved: xsk: Add missing overflow check in xdpumemreg The number of chunks can overflow u32. Make sure to return -EINVAL on overflow. Also remove a redundant u32 cast assigning umem-npgs...

CVE-2023-53080

In the Linux kernel, the following vulnerability has been resolved: xsk: Add missing overflow check in xdpumemreg The number of chunks can overflow u32. Make sure to return -EINVAL on overflow. Also remove a redundant u32 cast assigning umem-npgs...

CVE-2023-53080 xsk: Add missing overflow check in xdp_umem_reg

In the Linux kernel, the following vulnerability has been resolved: xsk: Add missing overflow check in xdpumemreg The number of chunks can overflow u32. Make sure to return -EINVAL on overflow. Also remove a redundant u32 cast assigning umem-npgs...

CVE-2023-53080 xsk: Add missing overflow check in xdp_umem_reg

In the Linux kernel, the following vulnerability has been resolved: xsk: Add missing overflow check in xdpumemreg The number of chunks can overflow u32. Make sure to return -EINVAL on overflow. Also remove a redundant u32 cast assigning umem-npgs...

CVE-2023-53080: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: xsk: Add missing overflow check in xdpumemreg The number of chunks can overflow u32. Make sure to return -EINVAL on overflow. Also remove a redundant u32 cast assigning umem-npgs...

Out-of-bounds Write

kernel is vulnerable to out-of-bounds write. It is possible due to a flaw in xdpumemreg...

Updated kernel packages fix security vulnerabilities

This update is based on the upstream 5.6.8 kernel and fixes at least the following security issues: usbsgcancel in drivers/usb/core/message.c in the Linux kernel before 5.6.8 has a use-after-free because a transfer occurs without a referenceCVE-2020-12464. An issue was discovered in the Linux...

CVE-2020-12659

An issue was discovered in the Linux kernel before 5.6.7. xdpumemreg in net/xdp/xdpumem.c has an out-of-bounds write by a user with the CAPNETADMIN capability because of a lack of headroom validation...

CVE-2020-12659

An issue was discovered in the Linux kernel before 5.6.7. xdpumemreg in net/xdp/xdpumem.c has an out-of-bounds write by a user with the CAPNETADMIN capability because of a lack of headroom validation...

Out-of-bounds

An issue was discovered in the Linux kernel before 5.6.7. xdpumemreg in net/xdp/xdpumem.c has an out-of-bounds write by a user with the CAPNETADMIN capability because of a lack of headroom validation...

CVE-2020-12659

An issue was discovered in the Linux kernel before 5.6.7. xdpumemreg in net/xdp/xdpumem.c has an out-of-bounds write by a user with the CAPNETADMIN capability because of a lack of headroom validation...

CVE-2020-12659

Concrete details found: CVE-2020-12659 affects the Linux kernel before 5.6.7. The vulnerability is an out-of-bounds write in xdp_umem_reg() of net/xdp/xdp_umem.c, exploitable by a user with CAP_NET_ADMIN due to missing headroom validation. Impact described across connected docs includes potential...