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Ubuntu: (CVE-2021-47495): linux vulnerability

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Ubuntu: (CVE-2021-47495): 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: usbnet: sanity check for maxpacket maxpacket of 0 makes no sense and oopses as we need to divide by it. Give up. V2: fixed typo in log and stylistic issues

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-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-2021-47495
  • CVE - 2021-47495
  • https://git.kernel.org/linus/397430b50a363d8b7bdda00522123f82df6adc5e
  • https://git.kernel.org/stable/c/002d82227c0abe29118cf80f7e2f396b22d448ed
  • https://git.kernel.org/stable/c/397430b50a363d8b7bdda00522123f82df6adc5e
  • https://git.kernel.org/stable/c/492140e45d2bf27c1014243f8616a9b612144e20
  • https://git.kernel.org/stable/c/524f333e98138d909a0a0c574a9ff6737dce2767
  • https://git.kernel.org/stable/c/693ecbe8f799405f8775719deedb1f76265d375a
  • https://git.kernel.org/stable/c/74b3b27cf9fecce00cd8918b7882fd81191d0aa4
  • https://git.kernel.org/stable/c/7e8b6a4f18edee070213cb6a77118e8a412253c5
  • https://git.kernel.org/stable/c/b9eba0a4a527e04d712f0e0401e5391ef124b33e
  • https://www.cve.org/CVERecord?id=CVE-2021-47495
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