National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2020-8428 Detail

Current Description

fs/namei.c in the Linux kernel before 5.5 has a may_create_in_sticky use-after-free, which allows local users to cause a denial of service (OOPS) or possibly obtain sensitive information from kernel memory, aka CID-d0cb50185ae9. One attack vector may be an open system call for a UNIX domain socket, if the socket is being moved to a new parent directory and its old parent directory is being removed.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 7.1 HIGH
Vector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
http://www.openwall.com/lists/oss-security/2020/01/28/4 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/02/02/1
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0cb50185ae942b03c4327be322055d622dc79f6 Mailing List Patch Vendor Advisory
https://github.com/torvalds/linux/commit/d0cb50185ae942b03c4327be322055d622dc79f6 Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20200313-0003/
https://www.openwall.com/lists/oss-security/2020/01/28/2 Mailing List Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
4.19
Up to (excluding)
5.5


Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-8428
NVD Published Date:
01/28/2020
NVD Last Modified:
02/02/2020