Detections
Analytics

CVE-2020-24394

high

Description

In the Linux kernel before 5.7.8, fs/nfsd/vfs.c (in the NFS server) can set incorrect permissions on new filesystem objects when the filesystem lacks ACL support, aka CID-22cf8419f131. This occurs because the current umask is not considered.

References

https://www.starwindsoftware.com/security/sw-20210325-0004/

https://www.oracle.com/security-alerts/cpuApr2021.html

https://usn.ubuntu.com/4485-1/

https://usn.ubuntu.com/4483-1/

https://usn.ubuntu.com/4465-1/

https://security.netapp.com/advisory/ntap-20200904-0003/

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=962254

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=22cf8419f1319ff87ec759d0ebdff4cbafaee832

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.8

Details

Source: Mitre, NVD

Published: 2020-08-19

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:N

Severity: Low

CVSS v3

Base Score: 7.1

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Severity: High

EPSS

EPSS: 0.00017