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Ubuntu: (CVE-2021-47547): linux vulnerability

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Ubuntu: (CVE-2021-47547): linux vulnerability

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
05/24/2024
Created
11/21/2024
Added
11/19/2024
Modified
02/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved: net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound In line 5001, if all id in the array 'lp->phy[8]' is not 0, when the 'for' end, the 'k' is 8. At this time, the array 'lp->phy[8]' may be out of bound.

Solution(s)

  • ubuntu-upgrade-linux
  • ubuntu-upgrade-linux-aws
  • ubuntu-upgrade-linux-aws-5-4
  • ubuntu-upgrade-linux-aws-fips
  • ubuntu-upgrade-linux-aws-hwe
  • ubuntu-upgrade-linux-azure
  • ubuntu-upgrade-linux-azure-4-15
  • 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-4-15
  • ubuntu-upgrade-linux-gcp-5-4
  • ubuntu-upgrade-linux-gcp-fips
  • ubuntu-upgrade-linux-gkeop
  • ubuntu-upgrade-linux-hwe
  • ubuntu-upgrade-linux-hwe-5-4
  • ubuntu-upgrade-linux-ibm
  • ubuntu-upgrade-linux-ibm-5-4
  • 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-2021-47547
  • CVE - 2021-47547
  • https://git.kernel.org/linus/61217be886b5f7402843677e4be7e7e83de9cb41
  • https://git.kernel.org/stable/c/12f907cb11576b8cd0b1d95a16d1f10ed5bb7237
  • https://git.kernel.org/stable/c/142ead3dc70411bd5977e8c47a6d8bf22287b3f8
  • https://git.kernel.org/stable/c/2c1a6a9a011d622a7c61324a97a49801ba425eff
  • https://git.kernel.org/stable/c/61217be886b5f7402843677e4be7e7e83de9cb41
  • https://git.kernel.org/stable/c/77ff166909458646e66450e42909e0adacc99049
  • https://git.kernel.org/stable/c/d3dedaa5a601107cfedda087209772c76e364d58
  • https://git.kernel.org/stable/c/ec5bd0aef1cec96830d0c7e06d3597d9e786cc98
  • https://git.kernel.org/stable/c/f059fa40f0fcc6bc7a12e0f2a2504e9a4ff74f1f
  • https://www.cve.org/CVERecord?id=CVE-2021-47547
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