CVE-2021-47099

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

kernel: tcp/udp: Fix memleaks of sk and zerocopy skbs with TX timestamp

In the Linux kernel, the following vulnerability has been resolved: tcp/udp: Fix memleaks of sk and zerocopy skbs with TX timestamp. syzkaller reported 0 memory leaks of an UDP socket and ZEROCOPY skbs. We can reproduce the problem with these sequences: sk = socketAFINET, SOCKDGRAM, 0...

kernel: remote DoS in TIPC kernel module

A remote denial of service vulnerability was found in the Linux kernel’s TIPC kernel module. The while loop in tipclinkxmit hits an unknown state while attempting to parse SKBs, which are not in the queue. Sending two small UDP packets to a system with a UDP bearer results in the CPU utilization...

AlmaLinux 9 : kernel-rt (ALSA-2023:2148)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2023:2148 advisory. - Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage. CVE-2021-26341 - When sending...

RHEL 9 : kernel-rt (RHSA-2023:2148)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:2148 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

CVE-2023-1390

A remote denial of service vulnerability was found in the Linux kernel’s TIPC kernel module. The while loop in tipclinkxmit hits an unknown state while attempting to parse SKBs, which are not in the queue. Sending two small UDP packets to a system with a UDP bearer results in the CPU utilization...

kernel: veth: ensure skb entering GRO are not cloned.

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

Ubuntu 22.04 LTS : Linux kernel (Oracle) vulnerabilities (USN-5640-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5640-1 advisory. It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of-...

Amazon Linux 2 : kernel (ALASKERNEL-5.10-2022-018)

The version of kernel installed on the remote host is prior to 5.10.130-118.517. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2022-018 advisory. An out-of-bounds write flaw was found in the Linux kernel's framebuffer-based console driver functionali...

CVE-2022-33743

network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP eXpress Data Path, a code label was moved in a way allowing for SKBs having references pointers retained for further processing to nevertheless be freed...

CVE-2022-33743

network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP eXpress Data Path, a code label was moved in a way allowing for SKBs having references pointers retained for further processing to nevertheless be freed...

CVE-2022-33743

network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP eXpress Data Path, a code label was moved in a way allowing for SKBs having references pointers retained for further processing to nevertheless be freed...

Path traversal

network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP eXpress Data Path, a code label was moved in a way allowing for SKBs having references pointers retained for further processing to nevertheless be freed...

UBUNTU-CVE-2022-33743

network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP eXpress Data Path, a code label was moved in a way allowing for SKBs having references pointers retained for further processing to nevertheless be freed...

CVE-2022-33743

network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP eXpress Data Path, a code label was moved in a way allowing for SKBs having references pointers retained for further processing to nevertheless be freed...

CVE-2022-33743

network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP eXpress Data Path, a code label was moved in a way allowing for SKBs having references pointers retained for further processing to nevertheless be freed...

network backend may cause Linux netfront to use freed SKBs

ISSUE DESCRIPTION While adding logic to support XDP eXpress Data Path, a code label was moved in a way allowing for SKBs having references pointers retained for further processing to nevertheless be freed. IMPACT A misbehaving or malicious backend may cause a Denial of Service DoS in the guest...

PT-2021-8146 · Linux +4 · Linux Kernel +4

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.16.0-rc5+ Description: The vulnerability is related to the veth component of the Linux kernel, which fails to properly check for shared or cloned skbs when GRO is enabled on a veth device and TSO is disabled o...

GSD-2021-1001754 mptcp: ensure tx skbs always have the MPTCP ext

mptcp: ensure tx skbs always have the MPTCP ext This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.14.9 by commit...

Unbreakable Enterprise kernel security update

4.1.12-124.28.3 - Add CVE numbers for CVE-2019-11477 CVE-2019-11478 CVE-2019-11479 Chuck Anderson Orabug: 29890820 CVE-2019-11477 CVE-2019-11478 CVE-2019-11479 CVE-2019-11477 CVE-2019-11478 CVE-2019-11479 - tcp: fix fackcount accounting on tcpshiftskbdata Joao Martins Orabug: 29890820 - tcp:...