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Ubuntu: (Multiple Advisories) (CVE-2021-4135): Linux kernel (OEM) vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2021-4135): Linux kernel (OEM) vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
01/25/2022
Created
03/24/2022
Added
02/09/2022
Modified
03/22/2023

Description

A memory leak vulnerability was found in the Linux kernel's eBPF for the Simulated networking device driver in the way user uses BPF for the device such that function nsim_map_alloc_elem being called. A local user could use this flaw to get unauthorized access to some data.

Solution(s)

  • ubuntu-upgrade-linux-image-5-13-0-1018-kvm
  • ubuntu-upgrade-linux-image-5-13-0-1019-aws
  • ubuntu-upgrade-linux-image-5-13-0-1021-azure
  • ubuntu-upgrade-linux-image-5-13-0-1021-gcp
  • ubuntu-upgrade-linux-image-5-13-0-1022-raspi
  • ubuntu-upgrade-linux-image-5-13-0-1022-raspi-nolpae
  • ubuntu-upgrade-linux-image-5-13-0-1023-oracle
  • ubuntu-upgrade-linux-image-5-13-0-1025-oracle
  • ubuntu-upgrade-linux-image-5-13-0-37-generic
  • ubuntu-upgrade-linux-image-5-13-0-37-generic-64k
  • ubuntu-upgrade-linux-image-5-13-0-37-generic-lpae
  • ubuntu-upgrade-linux-image-5-13-0-37-lowlatency
  • ubuntu-upgrade-linux-image-5-14-0-1022-oem
  • ubuntu-upgrade-linux-image-5-4-0-1018-ibm
  • ubuntu-upgrade-linux-image-5-4-0-1032-bluefield
  • ubuntu-upgrade-linux-image-5-4-0-1037-gkeop
  • ubuntu-upgrade-linux-image-5-4-0-105-generic
  • ubuntu-upgrade-linux-image-5-4-0-105-generic-lpae
  • ubuntu-upgrade-linux-image-5-4-0-105-lowlatency
  • ubuntu-upgrade-linux-image-5-4-0-1056-raspi
  • ubuntu-upgrade-linux-image-5-4-0-1059-kvm
  • ubuntu-upgrade-linux-image-5-4-0-1066-gke
  • ubuntu-upgrade-linux-image-5-4-0-1067-oracle
  • ubuntu-upgrade-linux-image-5-4-0-1068-gcp
  • ubuntu-upgrade-linux-image-5-4-0-1069-aws
  • ubuntu-upgrade-linux-image-5-4-0-1073-azure
  • ubuntu-upgrade-linux-image-5-4-0-1073-azure-fde
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-aws-lts-20-04
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-azure-fde
  • ubuntu-upgrade-linux-image-azure-lts-20-04
  • ubuntu-upgrade-linux-image-bluefield
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-gcp-lts-20-04
  • 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-18-04
  • ubuntu-upgrade-linux-image-generic-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-18-04
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-gke-5-4
  • ubuntu-upgrade-linux-image-gkeop
  • ubuntu-upgrade-linux-image-gkeop-5-4
  • ubuntu-upgrade-linux-image-ibm
  • ubuntu-upgrade-linux-image-ibm-lts-20-04
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-hwe-18-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-20-04
  • ubuntu-upgrade-linux-image-oem
  • ubuntu-upgrade-linux-image-oem-20-04
  • ubuntu-upgrade-linux-image-oem-20-04d
  • ubuntu-upgrade-linux-image-oem-osp1
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-oracle-lts-20-04
  • ubuntu-upgrade-linux-image-raspi
  • ubuntu-upgrade-linux-image-raspi-hwe-18-04
  • ubuntu-upgrade-linux-image-raspi-nolpae
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-snapdragon-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual-hwe-20-04

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