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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2020-8428 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html CVE, MITRE
http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html CVE, MITRE
http://www.openwall.com/lists/oss-security/2020/01/28/4 CVE, MITRE Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2020/02/02/1 CVE, MITRE
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0cb50185ae942b03c4327be322055d622dc79f6 CVE, MITRE Mailing List  Patch  Vendor Advisory 
https://github.com/torvalds/linux/commit/d0cb50185ae942b03c4327be322055d622dc79f6 CVE, MITRE Patch  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html CVE, MITRE
https://security.netapp.com/advisory/ntap-20200313-0003/ CVE, MITRE
https://usn.ubuntu.com/4318-1/ CVE, MITRE
https://usn.ubuntu.com/4319-1/ CVE, MITRE
https://usn.ubuntu.com/4320-1/ CVE, MITRE
https://usn.ubuntu.com/4324-1/ CVE, MITRE
https://usn.ubuntu.com/4325-1/ CVE, MITRE
https://www.debian.org/security/2020/dsa-4667 CVE, MITRE
https://www.debian.org/security/2020/dsa-4698 CVE, MITRE
https://www.openwall.com/lists/oss-security/2020/01/28/2 CVE, MITRE Mailing List  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

16 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-8428
NVD Published Date:
01/28/2020
NVD Last Modified:
11/21/2024
Source:
MITRE