Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2020-08-19T13:15:10.177

Last Modified

2024-11-21T05:14:44.210

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.1 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:N

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

3.9

Impact Score

4.9

Weaknesses

Type: Primary
CWE-732

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 5.7.8	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	16.04	Yes
Operating System	canonical	ubuntu_linux	18.04	Yes
Operating System	canonical	ubuntu_linux	20.04	Yes
Operating System	opensuse	leap	15.1	Yes
Application	oracle	sd-wan_edge	8.2	Yes
Application	starwindsoftware	starwind_virtual_san	v8	Yes
Application	starwindsoftware	starwind_virtual_san	v8	Yes
Application	starwindsoftware	starwind_virtual_san	v8	Yes
Application	starwindsoftware	starwind_virtual_san	v8	Yes
Application	starwindsoftware	starwind_virtual_san	v8	Yes
Application	starwindsoftware	starwind_virtual_san	v8	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html Third Party Advisory ([email protected])
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=962254 Issue Tracking, Third Party Advisory ([email protected])
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.8 Release Notes, Vendor Advisory ([email protected])
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=22cf8419f1319ff87ec759d0ebdff4cbafaee832 Patch, Vendor Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20200904-0003/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/4465-1/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/4483-1/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/4485-1/ Third Party Advisory ([email protected])
https://www.oracle.com/security-alerts/cpuApr2021.html Patch, Third Party Advisory ([email protected])
https://www.starwindsoftware.com/security/sw-20210325-0004/ Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=962254 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.8 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=22cf8419f1319ff87ec759d0ebdff4cbafaee832 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20200904-0003/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4465-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4483-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4485-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.oracle.com/security-alerts/cpuApr2021.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.starwindsoftware.com/security/sw-20210325-0004/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)