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 the SOCKRCUFREE flag being set too early in the udplibgetport function, which could lead to access to an...

Citrix License Server Troubleshooting - Hub Article

Introduction This serves as a central location for common Citrix License Server troubleshooting articles authored and vetted by a group of Citrix subject matter experts in this area. Overview of the Issue Provide a brief yet comprehensive overview of the issue, outlining the common challenges and...

Netscaler Licenses

Introduction These articles provide a list of Knowledge Base resources on how to allocate and install license files to the Netscaler Products. Overview of the Issue These articles capture the most common use cases when customers face issues with Netscaler Products unlicensed or running in grace...

The NSA Has a Long-Lost Lecture by Adm. Grace Hopper

The NSA has a video recording of a 1982 lecture by Adm. Grace Hopper titled "Future Possibilities: Data, Hardware, Software, and People." The agency is so far refusing to release it. Basically, the recording is in an obscure video format. People at the NSA cant easily watch it, so they cant redac...

OESA-2024-1782 openssh security update

OpenSSH is the premier connectivity tool for remote login with the SSH protocol. \ It encrypts all traffic to eliminate eavesdropping, connection hijacking, and \ other attacks. In addition, OpenSSH provides a large suite of secure tunneling \ capabilities, several authentication methods, and...

OESA-2024-1784 openssh security update

OpenSSH is the premier connectivity tool for remote login with the SSH protocol. \ It encrypts all traffic to eliminate eavesdropping, connection hijacking, and \ other attacks. In addition, OpenSSH provides a large suite of secure tunneling \ capabilities, several authentication methods, and...

Important: openssh

Issue Overview: A signal handler race condition was found in OpenSSH's server sshd, where a client does not authenticate within LoginGraceTime seconds 120 by default, 600 in old OpenSSH versions, then sshd's SIGALRM handler is called asynchronously. However, this signal handler calls various...

Race Condition

Overview Affected versions of this package are vulnerable to Race Condition in OpenSSH's server sshd due to a signal handler race condition when a client does not authenticate within LoginGraceTime seconds 120 by default, 600 in old OpenSSH versions. An attacker can execute arbitrary code as root...

SUSE CVE-2024-35860

In the Linux kernel, the following vulnerability has been resolved: bpf: support deferring bpflink dealloc to after RCU grace period BPF link for some program types is passed as a "context" which can be used by those BPF programs to look up additional information. E.g., for multi-kprobes and...

DEBIAN-CVE-2024-35860

In the Linux kernel, the following vulnerability has been resolved: bpf: support deferring bpflink dealloc to after RCU grace period BPF link for some program types is passed as a "context" which can be used by those BPF programs to look up additional information. E.g., for multi-kprobes and...

CVE-2024-35860

In the Linux kernel, the following vulnerability has been resolved: bpf: support deferring bpflink dealloc to after RCU grace period BPF link for some program types is passed as a "context" which can be used by those BPF programs to look up additional information. E.g., for multi-kprobes and...

CVE-2024-35860 bpf: support deferring bpf_link dealloc to after RCU grace period

In the Linux kernel, the following vulnerability has been resolved: bpf: support deferring bpflink dealloc to after RCU grace period BPF link for some program types is passed as a "context" which can be used by those BPF programs to look up additional information. E.g., for multi-kprobes and...

CVE-2024-35860 bpf: support deferring bpf_link dealloc to after RCU grace period

In the Linux kernel, the following vulnerability has been resolved: bpf: support deferring bpflink dealloc to after RCU grace period BPF link for some program types is passed as a "context" which can be used by those BPF programs to look up additional information. E.g., for multi-kprobes and...

CVE-2024-35860

CVE-2024-35860 : Linux kernel vulnerability in deferring bpf_link deallocation to after RCU grace period. When a bpf_link’s refcnt drops to zero, some active BPF programs could still access the link data via context, risking data access. The patch introduces two deallocation callbacks (synchronou...

DEBIAN-CVE-2024-27394

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix Use-After-Free in tcpaoconnectinit Since callrcu, which is called in the hlistforeachentryrcu traversal of tcpaoconnectinit, is not part of the RCU read critical section, it is possible that the RCU grace period will pas...

CVE-2024-27396

In the Linux kernel, the following vulnerability has been resolved: net: gtp: Fix Use-After-Free in gtpdellink Since callrcu, which is called in the hlistforeachentryrcu traversal of gtpdellink, is not part of the RCU read critical section, it is possible that the RCU grace period will pass durin...

SUSE CVE-2024-27394

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix Use-After-Free in tcpaoconnectinit Since callrcu, which is called in the hlistforeachentryrcu traversal of tcpaoconnectinit, is not part of the RCU read critical section, it is possible that the RCU grace period will pas...

CVE-2024-27395 net: openvswitch: Fix Use-After-Free in ovs_ct_exit

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: Fix Use-After-Free in ovsctexit Since kfreercu, which is called in the hlistforeachentryrcu traversal of ovsctlimitexit, is not part of the RCU read critical section, it is possible that the RCU grace period wil...

SUSE CVE-2024-26961

In the Linux kernel, the following vulnerability has been resolved: mac802154: fix llsec key resources release in mac802154llseckeydel mac802154llseckeydel can free resources of a key directly without following the RCU rules for waiting before the end of a grace period. This may lead to...

AZL-40481 CVE-2024-26961 affecting package hyperv-daemons for versions less than 5.15.158.1-1

In the Linux kernel, the following vulnerability has been resolved: mac802154: fix llsec key resources release in mac802154llseckeydel mac802154llseckeydel can free resources of a key directly without following the RCU rules for waiting before the end of a grace period. This may lead to...