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Ubuntu: (CVE-2021-47122): linux vulnerability

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Ubuntu: (CVE-2021-47122): linux vulnerability

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
03/15/2024
Created
11/21/2024
Added
11/19/2024
Modified
02/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved: net: caif: fix memory leak in caif_device_notify In case of caif_enroll_dev() fail, allocated link_support won't be assigned to the corresponding structure. So simply free allocated pointer in case of error

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-2021-47122
  • CVE - 2021-47122
  • https://git.kernel.org/linus/b53558a950a89824938e9811eddfc8efcd94e1bb
  • https://git.kernel.org/stable/c/3be863c11cab725add9fef4237ed4e232c3fc3bb
  • https://git.kernel.org/stable/c/4bca2034b41c15b62d47a19158bb76235fd4455d
  • https://git.kernel.org/stable/c/6a0e317f61094d377335547e015dd2ff12caf893
  • https://git.kernel.org/stable/c/9348c1f10932f13b299cbc8b1bd5f780751fae49
  • https://git.kernel.org/stable/c/af2806345a37313f01b1c9f15e046745b8ee2daa
  • https://git.kernel.org/stable/c/b042e2b2039565eb8f0eb51c14fbe1ef463c8cd8
  • https://git.kernel.org/stable/c/b53558a950a89824938e9811eddfc8efcd94e1bb
  • https://git.kernel.org/stable/c/f52f4fd67264c70cd0b4ba326962ebe12d9cba94
  • https://www.cve.org/CVERecord?id=CVE-2021-47122
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