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Ubuntu: USN-5070-1 (CVE-2021-38200): Linux kernel vulnerabilities

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Ubuntu: USN-5070-1 (CVE-2021-38200): Linux kernel vulnerabilities

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
08/08/2021
Created
09/20/2021
Added
09/09/2021
Modified
03/22/2023

Description

arch/powerpc/perf/core-book3s.c in the Linux kernel before 5.12.13, on systems with perf_event_paranoid=-1 and no specific PMU driver support registered, allows local users to cause a denial of service (perf_instruction_pointer NULL pointer dereference and OOPS) via a "perf record" command.

Solution(s)

  • ubuntu-upgrade-linux-image-5-11-0-1015-azure
  • ubuntu-upgrade-linux-image-5-11-0-1015-kvm
  • ubuntu-upgrade-linux-image-5-11-0-1017-aws
  • ubuntu-upgrade-linux-image-5-11-0-1017-oracle
  • ubuntu-upgrade-linux-image-5-11-0-1017-raspi
  • ubuntu-upgrade-linux-image-5-11-0-1017-raspi-nolpae
  • ubuntu-upgrade-linux-image-5-11-0-1018-gcp
  • ubuntu-upgrade-linux-image-5-11-0-34-generic
  • ubuntu-upgrade-linux-image-5-11-0-34-generic-64k
  • ubuntu-upgrade-linux-image-5-11-0-34-generic-lpae
  • ubuntu-upgrade-linux-image-5-11-0-34-lowlatency
  • 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-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

References

  • https://attackerkb.com/topics/cve-2021-38200
  • CVE - 2021-38200
  • CVE-2021-38200
  • USN-5045-1
  • USN-5062-1
  • USN-5070-1
  • USN-5071-1
  • USN-5071-2
  • USN-5071-3
  • USN-5072-1
  • USN-5073-1
  • USN-5073-2
  • USN-5073-3
  • USN-5082-1
  • USN-5094-1
  • USN-5094-2
  • USN-5096-1
  • USN-5106-1
  • USN-5114-1
  • USN-5116-1
  • USN-5116-2
  • USN-5120-1
  • USN-5210-1
  • USN-5299-1
  • USN-5343-1
View more

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