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Red Hat: CVE-2019-16994: CVE-2019-16994 kernel: Memory leak in sit_init_net() in net/ipv6/sit.c (Multiple Advisories)

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Red Hat: CVE-2019-16994: CVE-2019-16994 kernel: Memory leak in sit_init_net() in net/ipv6/sit.c (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:M/Au:N/C:N/I:N/A:C)
Published
09/30/2019
Created
05/02/2020
Added
05/01/2020
Modified
03/13/2024

Description

In the Linux kernel before 5.0, a memory leak exists in sit_init_net() in net/ipv6/sit.c when register_netdev() fails to register sitn->fb_tunnel_dev, which may cause denial of service, aka CID-07f12b26e21a.

Solution(s)

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

References

  • CVE-2019-16994
  • RHSA-2019:3309
  • RHSA-2019:3517
  • RHSA-2020:4060
  • RHSA-2020:4062

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