CVE-2026-46323

A flaw was found in the Linux kernel's Generic Receive Offload GRO networking subsystem. This vulnerability occurs when skbgroreceive attempts to merge zerocopy socket buffers skbs without properly managing page reference counts, specifically when the SKBFLMANAGEDFRAGREFS flag is set. An attacker...

CVE-2026-46323

In the Linux kernel, the following vulnerability has been resolved: net: gro: don't merge zcopy skbs skbgroreceive can currently copy frags between the source and GRO skb, without checking the zerocopy status, and in particular the SKBFLMANAGEDFRAGREFS flag. When SKBFLMANAGEDFRAGREFS is set, the...

EUVD-2026-35413

In the Linux kernel, the following vulnerability has been resolved: net: gro: don't merge zcopy skbs skbgroreceive can currently copy frags between the source and GRO skb, without checking the zerocopy status, and in particular the SKBFLMANAGEDFRAGREFS flag. When SKBFLMANAGEDFRAGREFS is set, the...

CVE-2026-46323

The Linux kernel vulnerability CVE-2026-46323 affects net: gro where skb_gro_receive() may copy frags between the source and GRO skb without respecting zerocopy status (SKBFL_MANAGED_FRAG_REFS). When this flag is set, pages in shinfo->frags may be merged into another skb without updating page ...

PT-2026-47760

In the Linux kernel, the following vulnerability has been resolved: net: gro: don't merge zcopy skbs skb gro receive can currently copy frags between the source and GRO skb, without checking the zerocopy status, and in particular the SKBFL MANAGED FRAG REFS flag. When SKBFL MANAGED FRAG REFS is...

Astra Linux - уязвимость в linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: “fou”: removed the warning in guegroreceive for unsupported protocols. Remove the WARNONONCE flag in guegroreceive if the encapsulated type is unknown or does not have a GRO handler. Such packets can be easily constructed. The...

CLSA-2026-1778867412 kernel: Fix of CVE-2026-46300

net: skbuff: propagate shared-frag marker through skbgroreceive + skbshift CVE-2026-46300 - Revert "net: gro: propagate SKBFLSHAREDFRAG through skbgroreceive"...

EUVD-2026-12884

In the Linux kernel, the following vulnerability has been resolved: net: gro: fix outer network offset The udp GRO complete stage assumes that all the packets inserted the RX have the encapsulation flag zeroed. Such assumption is not true, as a few H/W NICs can set such flag when H/W offloading t...

DEBIAN-CVE-2026-23254

In the Linux kernel, the following vulnerability has been resolved: net: gro: fix outer network offset The udp GRO complete stage assumes that all the packets inserted the RX have the encapsulation flag zeroed. Such assumption is not true, as a few H/W NICs can set such flag when H/W offloading t...

CVE-2026-23254

In the Linux kernel, the following vulnerability has been resolved: net: gro: fix outer network offset The udp GRO complete stage assumes that all the packets inserted the RX have the encapsulation flag zeroed. Such assumption is not true, as a few H/W NICs can set such flag when H/W offloading t...

CVE-2026-23254

In the Linux kernel, the following vulnerability has been resolved: net: gro: fix outer network offset The udp GRO complete stage assumes that all the packets inserted the RX have the encapsulation flag zeroed. Such assumption is not true, as a few H/W NICs can set such flag when H/W offloading t...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from improper handling of encapsulation flags during the GRO completion phase, potentially leading to...

Linux Distros Unpatched Vulnerability : CVE-2026-23254

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: gro: fix outer network offset The udp GRO complete stage assumes that all the packets inserted the RX have the encapsulation flag zeroed. Such assumption i...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from improper GSO packet segmentation during the forwarding of GRO packets. This vulnerability may lea...

CVE-2026-22979 net: fix memory leak in skb_segment_list for GRO packets

In the Linux kernel, the following vulnerability has been resolved: net: fix memory leak in skbsegmentlist for GRO packets When skbsegmentlist is called during packet forwarding, it handles packets that were aggregated by the GRO engine. Historically, the segmentation logic in skbsegmentlist...

PT-2026-26114

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's UDP GRO Generic Receive Offload complete stage. The UDP GRO complete stage incorrectly assumes that the encapsulation flag is zeroed for all packets...

Siemens SIMATIC Devices Improper Restriction of Communication Channel to Intended Endpoints (CVE-2024-35884)

In the Linux kernel, the following vulnerability has been resolved: udp: do not accept non-tunnel GSO skbs landing in a tunnel When rx- udp-gro-forwarding is enabled UDP packets might be GROed when being forwarded. If such packets might land in a tunnel this can cause various issues and...

SUSE CVE-2025-39984

In the Linux kernel, the following vulnerability has been resolved: net: tun: Update napi-skb after XDP process The syzbot report a UAF issue: BUG: KASAN: slab-use-after-free in skbresetmacheader include/linux/skbuff.h:3150 inline BUG: KASAN: slab-use-after-free in napifragsskb net/core/gro.c:723...

EUVD-2011-2701

Malware in sbrugna...

Linux Distros Unpatched Vulnerability : CVE-2021-47099

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b veth: allow enabling...