Vulnerability Details : 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.
Exploit prediction scoring system (EPSS) score for CVE-2020-24394
Probability of exploitation activity in the next 30 days: 0.05%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 16 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-24394
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
3.6
|
LOW | AV:L/AC:L/Au:N/C:P/I:P/A:N |
3.9
|
4.9
|
[email protected] |
|
7.1
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
1.8
|
5.2
|
[email protected] |
CWE ids for CVE-2020-24394
-
The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.Assigned by: [email protected] (Primary)
References for CVE-2020-24394
-
https://security.netapp.com/advisory/ntap-20200904-0003/
Third Party Advisory
-
https://usn.ubuntu.com/4483-1/
Third Party Advisory
-
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.8
Release Notes;Vendor Advisory
-
https://www.oracle.com/security-alerts/cpuApr2021.html
Patch;Third Party Advisory
-
https://www.starwindsoftware.com/security/sw-20210325-0004/
Third Party Advisory
-
https://usn.ubuntu.com/4485-1/
Third Party Advisory
-
https://usn.ubuntu.com/4465-1/
Third Party Advisory
-
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=22cf8419f1319ff87ec759d0ebdff4cbafaee832
Patch;Vendor Advisory
-
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=962254
Issue Tracking;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00007.html
Third Party Advisory
Products affected by CVE-2020-24394
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:sd-wan_edge:8.2:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12533:*:*:*:vsphere:*:*
- cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12658:*:*:*:vsphere:*:*
- cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12859:*:*:*:vsphere:*:*
- cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build13170:*:*:*:vsphere:*:*
- cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build13586:*:*:*:vsphere:*:*
- cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build13861:*:*:*:vsphere:*:*