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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2021-4037
HistoryAug 24, 2022 - 4:15 p.m.

CVE-2021-4037

2022-08-2416:15:00
Debian Security Bug Tracker
security-tracker.debian.org
26

0.0005 Low

EPSS

Percentile

17.6%

A vulnerability was found in the fs/inode.c:inode_init_owner() function logic of the LInux kernel that allows local users to create files for the XFS file-system with an unintended group ownership and with group execution and SGID permission bits set, in a scenario where a directory is SGID and belongs to a certain group and is writable by a user who is not a member of this group. This can lead to excessive permissions granted in case when they should not. This vulnerability is similar to the previous CVE-2018-13405 and adds the missed fix for the XFS.