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Ubuntu: (CVE-2021-47431): linux vulnerability

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Ubuntu: (CVE-2021-47431): linux vulnerability

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
05/21/2024
Created
11/21/2024
Added
11/19/2024
Modified
02/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix gart.bo pin_count leak gmc_v{9,10}_0_gart_disable() isn't called matched with correspoding gart_enbale function in SRIOV case. This will lead to gart.bo pin_count leak on driver unload.

Solution(s)

  • ubuntu-upgrade-linux
  • ubuntu-upgrade-linux-aws
  • ubuntu-upgrade-linux-aws-5-4
  • ubuntu-upgrade-linux-aws-fips
  • ubuntu-upgrade-linux-azure
  • ubuntu-upgrade-linux-azure-5-4
  • ubuntu-upgrade-linux-azure-fips
  • ubuntu-upgrade-linux-bluefield
  • ubuntu-upgrade-linux-fips
  • ubuntu-upgrade-linux-gcp
  • ubuntu-upgrade-linux-gcp-5-4
  • ubuntu-upgrade-linux-gcp-fips
  • ubuntu-upgrade-linux-gkeop
  • ubuntu-upgrade-linux-hwe-5-4
  • ubuntu-upgrade-linux-ibm
  • ubuntu-upgrade-linux-kvm
  • ubuntu-upgrade-linux-oracle
  • ubuntu-upgrade-linux-oracle-5-4
  • ubuntu-upgrade-linux-raspi
  • ubuntu-upgrade-linux-raspi-5-4

References

  • https://attackerkb.com/topics/cve-2021-47431
  • CVE - 2021-47431
  • https://git.kernel.org/linus/66805763a97f8f7bdf742fc0851d85c02ed9411f
  • https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03
  • https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9
  • https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f
  • https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95
  • https://www.cve.org/CVERecord?id=CVE-2021-47431
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