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Ubuntu: (Multiple Advisories) (CVE-2021-28971): Linux kernel vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2021-28971): Linux kernel vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
03/22/2021
Created
05/14/2021
Added
05/12/2021
Modified
04/01/2022

Description

In intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications (such as perf-fuzzer) can cause a system crash because the PEBS status in a PEBS record is mishandled, aka CID-d88d05a9e0b6.

Solution(s)

  • ubuntu-upgrade-linux-image-4-15-0-1072-oracle
  • ubuntu-upgrade-linux-image-4-15-0-1086-raspi2
  • ubuntu-upgrade-linux-image-4-15-0-1092-kvm
  • ubuntu-upgrade-linux-image-4-15-0-1100-gcp
  • ubuntu-upgrade-linux-image-4-15-0-1103-aws
  • ubuntu-upgrade-linux-image-4-15-0-1103-snapdragon
  • ubuntu-upgrade-linux-image-4-15-0-1115-azure
  • ubuntu-upgrade-linux-image-4-15-0-144-generic
  • ubuntu-upgrade-linux-image-4-15-0-144-generic-lpae
  • ubuntu-upgrade-linux-image-4-15-0-144-lowlatency
  • ubuntu-upgrade-linux-image-5-10-0-1026-oem
  • ubuntu-upgrade-linux-image-5-4-0-1016-gkeop
  • ubuntu-upgrade-linux-image-5-4-0-1036-raspi
  • ubuntu-upgrade-linux-image-5-4-0-1040-kvm
  • ubuntu-upgrade-linux-image-5-4-0-1044-gcp
  • ubuntu-upgrade-linux-image-5-4-0-1044-gke
  • ubuntu-upgrade-linux-image-5-4-0-1046-oracle
  • ubuntu-upgrade-linux-image-5-4-0-1048-azure
  • ubuntu-upgrade-linux-image-5-4-0-1049-aws
  • ubuntu-upgrade-linux-image-5-4-0-74-generic
  • ubuntu-upgrade-linux-image-5-4-0-74-generic-lpae
  • ubuntu-upgrade-linux-image-5-4-0-74-lowlatency
  • ubuntu-upgrade-linux-image-5-8-0-1026-raspi
  • ubuntu-upgrade-linux-image-5-8-0-1026-raspi-nolpae
  • ubuntu-upgrade-linux-image-5-8-0-1028-kvm
  • ubuntu-upgrade-linux-image-5-8-0-1031-oracle
  • ubuntu-upgrade-linux-image-5-8-0-1032-gcp
  • ubuntu-upgrade-linux-image-5-8-0-1033-azure
  • ubuntu-upgrade-linux-image-5-8-0-1035-aws
  • ubuntu-upgrade-linux-image-5-8-0-55-generic
  • ubuntu-upgrade-linux-image-5-8-0-55-generic-64k
  • ubuntu-upgrade-linux-image-5-8-0-55-generic-lpae
  • ubuntu-upgrade-linux-image-5-8-0-55-lowlatency
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-aws-hwe
  • ubuntu-upgrade-linux-image-aws-lts-18-04
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-azure-lts-18-04
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-gcp-lts-18-04
  • 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-16-04
  • 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-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-hwe-16-04
  • 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-20-04b
  • ubuntu-upgrade-linux-image-oem-osp1
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-oracle-lts-18-04
  • 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
  • ubuntu-upgrade-linux-image-snapdragon-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-16-04
  • ubuntu-upgrade-linux-image-virtual-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual-hwe-20-04

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