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Ubuntu: (CVE-2021-46934): linux vulnerability

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Ubuntu: (CVE-2021-46934): linux vulnerability

Severity
2
CVSS
(AV:L/AC:L/Au:S/C:N/I:P/A:N)
Published
02/27/2024
Created
11/21/2024
Added
11/19/2024
Modified
02/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved: i2c: validate user data in compat ioctl Wrong user data may cause warning in i2c_transfer(), ex: zero msgs. Userspace should not be able to trigger warnings, so this patch adds validation checks for user data in compact ioctl to prevent reported warnings

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-2021-46934
  • CVE - 2021-46934
  • https://git.kernel.org/linus/bb436283e25aaf1533ce061605d23a9564447bdf
  • https://git.kernel.org/stable/c/407c8708fb1bf2d4afc5337ef50635cf540c364b
  • https://git.kernel.org/stable/c/8d31cbab4c295d7010ebb729e9d02d0e9cece18f
  • https://git.kernel.org/stable/c/9e4a3f47eff476097e0c7faac04d1831fc70237d
  • https://git.kernel.org/stable/c/bb436283e25aaf1533ce061605d23a9564447bdf
  • https://git.kernel.org/stable/c/f68599581067e8a5a8901ba9eb270b4519690e26
  • https://www.cve.org/CVERecord?id=CVE-2021-46934
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