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

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

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

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

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

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

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

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

Details

Risk Information

CVSS v2

CVSS v3