The vulnerability of the kernel component of the Linux operating system, which allows a hacker to cause a service failure

The vulnerability of the kernel component of the Linux operating system is related to the generation of NULL pointer pointers, tcpavailablecongestioncontrol and tcpallowedcongestioncontrol. Exploiting this vulnerability can allow a perpetrator to cause service failures...

UBUNTU-CVE-2024-26741

In the Linux kernel, the following vulnerability has been resolved: dccp/tcp: Unhash sk from ehash for tb2 alloc failure after checkestalblished. syzkaller reported a warning 0 in inetcskdestroysock with no repro. WARNONinetsksk-inetnum && !inetcsksk-icskbindhash; However, the syzkaller's log...

openSUSE: Security Advisory for tor (openSUSE-SU-2023:0027-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

DEBIAN-CVE-2023-52577

In the Linux kernel, the following vulnerability has been resolved: dccp: fix dccpv4err/dccpv6err again dh-dccphx is the 9th byte offset 8 in "struct dccphdr", not in the "byte 7" as Jann claimed. We need to make sure the ICMP messages are big enough, using more standard ways no more assumptions...

SUSE CVE-2021-47010

In the Linux kernel, the following vulnerability has been resolved: net: Only allow init netns to set default tcp cong to a restricted algo tcpsetdefaultcongestioncontrol is netns-safe in that it writes to &net-ipv4.tcpcongestioncontrol, but it also sets ca-flags |= TCPCONGNONRESTRICTED which is...

CVE-2021-47010

In the Linux kernel, the following vulnerability has been resolved: net: Only allow init netns to set default tcp cong to a restricted algo tcpsetdefaultcongestioncontrol is netns-safe in that it writes to &net-;ipv4.tcpcongestioncontrol, but it also sets ca-flags |= TCPCONGNONRESTRICTED which is...

DEBIAN-CVE-2021-47010

In the Linux kernel, the following vulnerability has been resolved: net: Only allow init netns to set default tcp cong to a restricted algo tcpsetdefaultcongestioncontrol is netns-safe in that it writes to &net-ipv4.tcpcongestioncontrol, but it also sets ca-flags |= TCPCONGNONRESTRICTED which is...

CVE-2021-47010

In the Linux kernel, the following vulnerability has been resolved: net: Only allow init netns to set default tcp cong to a restricted algo tcpsetdefaultcongestioncontrol is netns-safe in that it writes to &net-ipv4.tcpcongestioncontrol, but it also sets ca-flags |= TCPCONGNONRESTRICTED which is...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: net: Only allow init netns to set default tcp cong to a restricted algo tcpsetdefaultcongestioncontrol is netns-safe in that it writes to &net-ipv4.tcpcongestioncontrol, but it also sets ca-flags |= TCPCONGNONRESTRICTED which is...

CVE-2021-47010

In the Linux kernel, the following vulnerability has been resolved: net: Only allow init netns to set default tcp cong to a restricted algo tcpsetdefaultcongestioncontrol is netns-safe in that it writes to &net-ipv4.tcpcongestioncontrol, but it also sets ca-flags |= TCPCONGNONRESTRICTED which is...

CVE-2021-47010 net: Only allow init netns to set default tcp cong to a restricted algo

In the Linux kernel, the following vulnerability has been resolved: net: Only allow init netns to set default tcp cong to a restricted algo tcpsetdefaultcongestioncontrol is netns-safe in that it writes to &net-ipv4.tcpcongestioncontrol, but it also sets ca-flags |= TCPCONGNONRESTRICTED which is...

SUSE CVE-2021-46912

In the Linux kernel, the following vulnerability has been resolved: net: Make tcpallowedcongestioncontrol readonly in non-init netns Currently, tcpallowedcongestioncontrol is global and writable; writing to it in any net namespace will leak into all other net namespaces...

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. A security vulnerability exists in the Linux kernel that stems from allowing ca-flags |= TCPCONGNONRESTRICTED to be set...

CVE-2021-46912

In the Linux kernel, the following vulnerability has been resolved: net: Make tcpallowedcongestioncontrol readonly in non-init netns Currently, tcpallowedcongestioncontrol is global and writable; writing to it in any net namespace will leak into all other net namespaces...

CVE-2021-46912

In the Linux kernel, the following vulnerability has been resolved: net: Make tcpallowedcongestioncontrol readonly in non-init netns Currently, tcpallowedcongestioncontrol is global and writable; writing to it in any net namespace will leak into all other net namespaces...

UBUNTU-CVE-2021-46912

In the Linux kernel, the following vulnerability has been resolved: net: Make tcpallowedcongestioncontrol readonly in non-init netns Currently, tcpallowedcongestioncontrol is global and writable; writing to it in any net namespace will leak into all other net namespaces...

CVE-2021-46912 net: Make tcp_allowed_congestion_control readonly in non-init netns

In the Linux kernel, the following vulnerability has been resolved: net: Make tcpallowedcongestioncontrol readonly in non-init netns Currently, tcpallowedcongestioncontrol is global and writable; writing to it in any net namespace will leak into all other net namespaces...

CVE-2021-46912 net: Make tcp_allowed_congestion_control readonly in non-init netns

In the Linux kernel, the following vulnerability has been resolved: net: Make tcpallowedcongestioncontrol readonly in non-init netns Currently, tcpallowedcongestioncontrol is global and writable; writing to it in any net namespace will leak into all other net namespaces...

CVE-2021-46912

CVE-2021-46912 affects the Linux kernel where tcp_allowed_congestion_control was global/writable and leaked across net namespaces. The issue was that ipv4_net_table entries (tcp_available_congestion_control and tcp_allowed_congestion_control) had NULL data pointers and their proc handlers referen...

PT-2024-2977 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the Linux kernel, where tcp allowed congestion control is global and writable, allowing writes to it in any net namespace to leak into all other net namespaces...