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cvelistRedhatCVELIST:CVE-2021-4037
HistoryAug 24, 2022 - 12:00 a.m.

CVE-2021-4037

2022-08-2400:00:00
CWE-284
redhat
www.cve.org

7.8 High

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

18.2%

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.

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "Kernel",
    "versions": [
      {
        "version": "Fixed in Linux-kernel v5.11-rc1",
        "status": "affected"
      }
    ]
  }
]