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Ubuntu: (Multiple Advisories) (CVE-2021-4204): Linux kernel vulnerability

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Ubuntu: (Multiple Advisories) (CVE-2021-4204): Linux kernel vulnerability

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
01/11/2022
Created
01/17/2022
Added
01/12/2022
Modified
01/12/2022

Description

Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.

From USN-5219-1:

It was discovered that the eBPF implementation in the Linux kernel did not properly validate the memory size of certain ring buffer operation arguments. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.

Solution(s)

  • ubuntu-upgrade-linux-image-5-10-0-1055-oem
  • ubuntu-upgrade-linux-image-5-11-0-1022-kvm
  • ubuntu-upgrade-linux-image-5-11-0-1025-aws
  • ubuntu-upgrade-linux-image-5-11-0-1025-azure
  • ubuntu-upgrade-linux-image-5-11-0-1025-oracle
  • ubuntu-upgrade-linux-image-5-11-0-1025-raspi
  • ubuntu-upgrade-linux-image-5-11-0-1025-raspi-nolpae
  • ubuntu-upgrade-linux-image-5-11-0-1026-gcp
  • ubuntu-upgrade-linux-image-5-11-0-46-generic
  • ubuntu-upgrade-linux-image-5-11-0-46-generic-64k
  • ubuntu-upgrade-linux-image-5-11-0-46-generic-lpae
  • ubuntu-upgrade-linux-image-5-11-0-46-lowlatency
  • ubuntu-upgrade-linux-image-5-13-0-1008-kvm
  • ubuntu-upgrade-linux-image-5-13-0-1009-aws
  • ubuntu-upgrade-linux-image-5-13-0-1010-azure
  • ubuntu-upgrade-linux-image-5-13-0-1010-gcp
  • ubuntu-upgrade-linux-image-5-13-0-1013-oracle
  • ubuntu-upgrade-linux-image-5-13-0-1013-raspi
  • ubuntu-upgrade-linux-image-5-13-0-1013-raspi-nolpae
  • ubuntu-upgrade-linux-image-5-13-0-1026-oem
  • ubuntu-upgrade-linux-image-5-13-0-25-generic
  • ubuntu-upgrade-linux-image-5-13-0-25-generic-64k
  • ubuntu-upgrade-linux-image-5-13-0-25-generic-lpae
  • ubuntu-upgrade-linux-image-5-13-0-25-lowlatency
  • ubuntu-upgrade-linux-image-5-14-0-1018-oem
  • 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-64k
  • ubuntu-upgrade-linux-image-generic-64k-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-hwe-20-04
  • ubuntu-upgrade-linux-image-oem-20-04
  • ubuntu-upgrade-linux-image-oem-20-04b
  • ubuntu-upgrade-linux-image-oem-20-04c
  • ubuntu-upgrade-linux-image-oem-20-04d
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-raspi
  • ubuntu-upgrade-linux-image-raspi-nolpae
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-20-04

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