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Amazon Linux AMI: CVE-2022-33741: Security patch for kernel (ALAS-2022-1624)

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Amazon Linux AMI: CVE-2022-33741: Security patch for kernel (ALAS-2022-1624)

Severity
4
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:P)
Published
07/05/2022
Created
08/29/2022
Added
08/05/2022
Modified
10/14/2022

Description

Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740). Additionally the granularity of the grant table doesn't allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend (CVE-2022-33741, CVE-2022-33742).

Solution(s)

  • amazon-linux-upgrade-kernel

References

  • ALAS-2022-1624
  • CVE-2022-33741
  • USN-5572-1
  • USN-5572-2
  • USN-5579-1
  • USN-5623-1
  • USN-5624-1
  • USN-5633-1
  • USN-5635-1
  • USN-5640-1
  • USN-5644-1
  • USN-5648-1
  • USN-5655-1
  • USN-5668-1
  • USN-5669-1
  • USN-5669-2
  • USN-5677-1
  • USN-5679-1
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