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Ubuntu: (CVE-2021-47260): linux vulnerability

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Ubuntu: (CVE-2021-47260): linux vulnerability

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
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: NFS: Fix a potential NULL dereference in nfs_get_client() None of the callers are expecting NULL returns from nfs_get_client() so this code will lead to an Oops.It's better to return an error pointer.I expect that this is dead code so hopefully no one is affected.

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-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-2021-47260
  • CVE - 2021-47260
  • https://git.kernel.org/linus/09226e8303beeec10f2ff844d2e46d1371dc58e0
  • https://git.kernel.org/stable/c/0057ecef9f324007c0ba5fcca4ddd131178ce78b
  • https://git.kernel.org/stable/c/09226e8303beeec10f2ff844d2e46d1371dc58e0
  • https://git.kernel.org/stable/c/279ad78a00f8b9c5ff24171a59297187a3bd44b7
  • https://git.kernel.org/stable/c/4b380a7d84ef2ce3f4f5bec5d8706ed937ac6502
  • https://git.kernel.org/stable/c/58ddf61f10b8f9b7b1341644bfee2f1c6508d4e1
  • https://git.kernel.org/stable/c/634f17ff1d59905eb3b4bbbc00805961d08beaee
  • https://git.kernel.org/stable/c/a979e601000982a3ca693171a6d4dffc47f8ad00
  • https://git.kernel.org/stable/c/fab8bfdfb4aac9e4e8363666333adfdf21e89106
  • https://www.cve.org/CVERecord?id=CVE-2021-47260
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