9 matches found
PT-2026-96373
In the Linux kernel, the following vulnerability has been resolved: xdp: fix zero-copy frame layout xdp convert zc to xdp frame clones an XSK packet into an order-0 page and advertises PAGE SIZE as its frame size. It allows the copied frame to occupy the page tail needed by skb shared info and...
PT-2026-83418
Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.0 Description An issue exists in the Generic Receive Offload GRO implementation where BIG TCP aggregation criteria are not properly validated. When aggregating packets exceeding 64KB, the skb gro receive functi...
CVE-2026-53235 net: add pskb_may_pull() to skb_gro_receive_list()
In the Linux kernel, the following vulnerability has been resolved: net: add pskbmaypull to skbgroreceivelist skbgroreceivelist calls skbpullskb, skbgrooffsetskb without first ensuring the data is in the linear area via pskbmaypull. When the skb arrives via napigrofrags, skbheadlen can be 0 all...
EUVD-2026-39326
In the Linux kernel, the following vulnerability has been resolved: net: add pskbmaypull to skbgroreceivelist skbgroreceivelist calls skbpullskb, skbgrooffsetskb without first ensuring the data is in the linear area via pskbmaypull. When the skb arrives via napigrofrags, skbheadlen can be 0 all...
kernel: Linux kernel: Use-After-Free in net/gro due to improper handling of zerocopy skbs
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...
Linux 释放后重用漏洞
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 the function skbgroreceive, which does not check the zero-copy status during the copy of frags,...
PT-2026-44126
Уязвимость функции skb gro receive ядра операционных систем Linux связана с возможностью использования памяти после освобождения. Эксплуатация уязвимости может позволить нарушителю получить root-привилегии...
