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Allele Security Intelligence

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Month: March 2020

ASA-2020-00038 – Linux kernel: Memory corruption due to the lack of validation of an sk_family field in vhost subsystem

Posted on March 25, 2020March 25, 2020 by Allele Security Intelligence in Alerts

In the Linux kernel, get_raw_socket() in drivers/vhost/net.c lacks validation of an sk_family field, which might allow attackers to trigger kernel stack corruption via crafted system calls.

Tagged ASA-2020-00038, CVE-2020-10942, Linux, Linux Kernel, Memory Corruption, vhost
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Redução da superfície de ataque ao kernel do Linux – SEMCOMP 2019

Introdução à pesquisa em vulnerabilidades no núcleo do Linux – EnSI 2018

Introdução à pesquisa em vulnerabilidades no núcleo do Linux – RoadSec Salvador 2018

Rootkits em kernel space – Redshift, um rootkit para o kernel do FreeBSD

Public proofs of concept

CVE-2012-0217

CVE-2012-4576

latest security alerts

  • ASA-2020-00051 – Linux kernel: vsyscall page refcounting error September 16, 2020
  • ASA-2020-00050 – Linux kernel: Use-after-free vulnerability in cgroup BPF component September 16, 2020
  • ASA-2020-00049 – Linux kernel: Kernel stack information leak on s390/s390x platform September 12, 2020

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