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Red Hat: CVE-2023-6932: kernel: use-after-free in IPv4 IGMP (Multiple Advisories)

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Red Hat: CVE-2023-6932: kernel: use-after-free in IPv4 IGMP (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
12/19/2023
Created
02/09/2024
Added
02/08/2024
Modified
12/05/2024

Description

A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation. A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread. We recommend upgrading past commit e2b706c691905fe78468c361aaabc719d0a496f1.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • CVE-2023-6932
  • RHSA-2024:0723
  • RHSA-2024:0724
  • RHSA-2024:0725
  • RHSA-2024:1250
  • RHSA-2024:1306
  • RHSA-2024:1404
  • RHSA-2024:2394
  • RHSA-2024:2950
  • RHSA-2024:3138
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