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 an incorrect inference of the zero-copy status during the cleanup phase before messages are...

CVE-2026-43464

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: RX, Fix XDP multi-buf frag counting for legacy RQ XDP multi-buf programs can modify the layout of the XDP buffer when the program calls bpfxdppulldata or bpfxdpadjusttail. The referenced commit in the fixes tag correct...

CVE-2026-43464 net/mlx5e: RX, Fix XDP multi-buf frag counting for legacy RQ

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: RX, Fix XDP multi-buf frag counting for legacy RQ XDP multi-buf programs can modify the layout of the XDP buffer when the program calls bpfxdppulldata or bpfxdpadjusttail. The referenced commit in the fixes tag correct...

CVE-2026-43464

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: RX, Fix XDP multi-buf frag counting for legacy RQ XDP multi-buf programs can modify the layout of the XDP buffer when the program calls bpfxdppulldata or bpfxdpadjusttail. The referenced commit in the fixes tag correct...

Linux Distros Unpatched Vulnerability : CVE-2021-47635

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ubifs: Fix to add refcount once page is set private MM defined the rule 1 very clearly that once page was set with PGprivate flag, we should increment the...

AZL-54135 CVE-2024-53138 affecting package kernel for versions less than 6.6.64.2-1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: kTLS, Fix incorrect page refcounting The kTLS tx handling code is using a mix of getpage and pagerefinc APIs to increment the page reference. But on the release path mlx5ektlstxhandleresyncdumpcomp, only putpage is use...

UBUNTU-CVE-2024-53138

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: kTLS, Fix incorrect page refcounting The kTLS tx handling code is using a mix of getpage and pagerefinc APIs to increment the page reference. But on the release path mlx5ektlstxhandleresyncdumpcomp, only putpage is use...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from page reference counting of unaligned buffers in the bioreleasepages function...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. The Linux kernel suffers from a security vulnerability that stems from the fact that the count of page references in use is not optimal, sometimes leading to kernel panics...

openSUSE Security Update : xen (openSUSE-SU-2013:1404-1)

XEN was updated to 4.2.2, fixing lots of bugs and several security issues. Various upstream patches were also merged into this version by our developers. Detailed buglist : - bnc824676 - Failed to setup devices for vm instance when start multiple vms simultaneously - bnc817799 - sles9sp4 guest...

Fedora 18 : xen-4.2.2-10.fc18 (2013-11874)

XSA-45/CVE-2013-1918 breaks page reference counting let pygrub handle set default='$nextentry' line in F19 libxl: Set vfb and vkb devid if not done so by the caller Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable...

Fedora 17 : xen-4.1.5-9.fc17 (2013-11871)

XSA-45/CVE-2013-1918 breaks page reference counting let pygrub handle set default='$nextentry' line in F19 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as muc...

Updated xen package fixes security issues

This update fixes the following security issues: XSA-52/CVE-2013-2076: Information leak on XSAVE/XRSTOR capable AMD CPUs XSA-53/CVE-2013-2077: Hypervisor crash due to missing exception recovery on XRSTOR XSA-54/CVE-2013-2078: Hypervisor crash due to missing exception recovery on XSETBV...

Page reference counting error due to XSA-45/CVE-2013-1918 fixes

ISSUE DESCRIPTION The XSA-45/CVE-2013-1918 patch making error handling paths preemptible broke page reference counting by not retaining a reference on pages stored for deferred cleanup. This would lead to the hypervisor prematurely attempting to free the page, generally crashing upon finding the...