ibmveth: Disable GSO for packets with small MSS

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CVE-2026-46273

A flaw was found in the Linux kernel's ibmveth driver. This vulnerability occurs when physical adapters on Power systems attempt to perform Generic Segmentation Offload GSO with a Maximum Segment Size MSS less than 224 bytes. A remote attacker could exploit this by sending specially crafted netwo...

CVE-2026-46273

The CVE-2026-46273 entry describes a Linux kernel vulnerability in the ibmveth driver affecting Power systems: GSO offload fails when MSS < 224 bytes, potentially freezing the network adapter and causing DoS until a manual reset. The fix adds an ndo_features_check to disable GSO for MSS 1; si...

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 the ibmveth driver not disabling GSO for data packets with an MSS of less than 224 bytes. This...

net: ibmveth: make veth_pool_store stop hanging

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RHEL 7 : kernel (RHSA-2017:0501)

An update for kernel is now available for Red Hat Enterprise Linux 7.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Scientific Linux Security Update : kernel on SL4.x i386/x86_64

CVE-2005-4881 kernel: netlink: fix numerous padding memleaks CVE-2009-3228 kernel: tc: uninitialised kernel memory leak This update fixes the following security issues : - multiple, missing initialization flaws were found in the Linux kernel. Padding data in several core network structures was no...

CentOS 4 : kernel (CESA-2009:1522)

Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 4. This update has been rated as having moderate security impact by the Red Hat Security Response Team. The kernel packages contain the Linux kernel, the core of any Linux...

Moderate: Red Hat Security Advisory: kernel security and bug fix update

Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 4. This update has been rated as having moderate security impact by the Red Hat Security Response Team. Updated 21st July 2010 BZ523930 documentation expanded. The kernel...