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CVE-2021-20316

Updated: 2022-06-10 11:36:38.058881

Description:

A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated attacker with permissions to read or modify share metadata, to perform this operation outside of the share.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x NONE 0
CVSS Version 3.x MEDIUM 5.9

Status

OS name Project name Version Status Errata Last updated
CentOS 8.4 ELS samba 4.13.3-5 Ignored 2022-06-10 11:36:38.10732
CentOS 8.5 ELS samba 4.14.5-7 Ignored 2022-06-10 11:36:38.045747

Statement

It is impossible to backport security patches to samba versions prior to 4.15.0. The fix of vulnerability requires a massive rewrite of a projects's internal code. Upgrading package is not reasonable due to medium severity of vulnerability. For more details check out an article about fixing samba: https://lwn.net/Articles/884052/