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Ubuntu: (Multiple Advisories) (CVE-2019-8956): Linux kernel (HWE) vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2019-8956): Linux kernel (HWE) vulnerabilities

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
04/01/2019
Created
04/22/2019
Added
04/05/2019
Modified
09/12/2020

Description

In the Linux Kernel before versions 4.20.8 and 4.19.21 a use-after-free error in the "sctp_sendmsg()" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory.

Solution(s)

  • ubuntu-upgrade-linux-image-4-18-0-1008-gcp
  • ubuntu-upgrade-linux-image-4-18-0-1009-kvm
  • ubuntu-upgrade-linux-image-4-18-0-1011-raspi2
  • ubuntu-upgrade-linux-image-4-18-0-1012-aws
  • ubuntu-upgrade-linux-image-4-18-0-1014-azure
  • ubuntu-upgrade-linux-image-4-18-0-17-generic
  • ubuntu-upgrade-linux-image-4-18-0-17-generic-lpae
  • ubuntu-upgrade-linux-image-4-18-0-17-lowlatency
  • ubuntu-upgrade-linux-image-4-18-0-17-snapdragon
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-hwe-18-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-18-04
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-hwe-18-04
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-snapdragon
  • ubuntu-upgrade-linux-image-snapdragon-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-18-04

References

  • USN-3879-1
  • USN-3879-2
  • USN-3930-1
  • USN-3930-2
  • USN-3931-1
  • USN-3931-2
  • USN-3932-1
  • USN-3932-2
  • USN-3933-1
  • USN-3933-2
  • CVE-2019-8956
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