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Ubuntu: (CVE-2021-47478): linux vulnerability

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Ubuntu: (CVE-2021-47478): linux vulnerability

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
05/22/2024
Created
11/21/2024
Added
11/19/2024
Modified
02/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved: isofs: Fix out of bound access for corrupted isofs image When isofs image is suitably corrupted isofs_read_inode() can read data beyond the end of buffer. Sanity-check the directory entry length before using it.

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-2021-47478
  • CVE - 2021-47478
  • https://git.kernel.org/linus/e96a1866b40570b5950cda8602c2819189c62a48
  • https://git.kernel.org/stable/c/156ce5bb6cc43a80a743810199defb1dc3f55b7f
  • https://git.kernel.org/stable/c/6e80e9314f8bb52d9eabe1907698718ff01120f5
  • https://git.kernel.org/stable/c/86d4aedcbc69c0f84551fb70f953c24e396de2d7
  • https://git.kernel.org/stable/c/9ec33a9b8790c212cc926a88c5e2105f97f3f57e
  • https://git.kernel.org/stable/c/afbd40f425227e661d991757e11cc4db024e761f
  • https://git.kernel.org/stable/c/b0ddff8d68f2e43857a84dce54c3deab181c8ae1
  • https://git.kernel.org/stable/c/b2fa1f52d22c5455217b294629346ad23a744945
  • https://git.kernel.org/stable/c/e7fb722586a2936b37bdff096c095c30ca06404d
  • https://git.kernel.org/stable/c/e96a1866b40570b5950cda8602c2819189c62a48
  • https://www.cve.org/CVERecord?id=CVE-2021-47478
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