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Vulnerability & Exploit Database

Vulnerabilities and exploits collected over reliable resources for security professionals and researchers to review

Amazon Linux AMI: CVE-2021-3178: Security patch for kernel (ALAS-2021-1480)

Severity:
6
CVSS:
(AV:N/AC:L/Au:S/C:P/I:P/A:N)
Published:
01/19/2020
Created:
02/20/2020
Added:
02/18/2020
Modified:
02/18/2020

Description:

** DISPUTED ** fs/nfsd/nfs3xdr.c in the Linux kernel through 5.10.8, when there is an NFS export of a subdirectory of a filesystem, allows remote attackers to traverse to other parts of the filesystem via READDIRPLUS. NOTE: some parties argue that such a subdirectory export is not intended to prevent this attack; see also the exports(5) no_subtree_check default behavior.'

Solution(s)


  • amazon-linux-upgrade-kernel
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