ISOMAN

CVE

CVE-2020-24394

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.

Severity
HIGH
CVSS
7.1
Published
Modified
NVD detailAll CVEs

Linked Releases

DistributionReleaseStatusEvidence
Ubuntu20.04.6 amd64 desktopunknownsource
Ubuntu20.04.6 amd64 live-serverunknownsource
Ubuntu18.04.6 amd64 desktopunknownsource
Ubuntu18.04.6 amd64 live-serverunknownsource

References

  1. http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html
  2. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=962254
  3. https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.8
  4. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=22cf8419f1319ff87ec759d0ebdff4cbafaee832
  5. https://security.netapp.com/advisory/ntap-20200904-0003/
  6. https://usn.ubuntu.com/4465-1/
  7. https://usn.ubuntu.com/4483-1/
  8. https://usn.ubuntu.com/4485-1/
  9. https://www.oracle.com/security-alerts/cpuApr2021.html
  10. https://www.starwindsoftware.com/security/sw-20210325-0004/
  11. http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html
  12. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=962254
  13. https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.8
  14. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=22cf8419f1319ff87ec759d0ebdff4cbafaee832
  15. https://security.netapp.com/advisory/ntap-20200904-0003/
  16. https://usn.ubuntu.com/4465-1/
  17. https://usn.ubuntu.com/4483-1/
  18. https://usn.ubuntu.com/4485-1/
  19. https://www.oracle.com/security-alerts/cpuApr2021.html
  20. https://www.starwindsoftware.com/security/sw-20210325-0004/