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CVE-2020-25212 Detail

Description

A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452.


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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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.html Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.html Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html Mailing List  Third Party Advisory 
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.3 Mailing List  Vendor Advisory 
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.3 Mailing List  Vendor Advisory 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b4487b93545214a9db8cbf32e86411677b0cca21 Mailing List  Patch  Vendor Advisory 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b4487b93545214a9db8cbf32e86411677b0cca21 Mailing List  Patch  Vendor Advisory 
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Mailing List  Third Party Advisory 
https://twitter.com/grsecurity/status/1303370421958578179 Third Party Advisory 
https://twitter.com/grsecurity/status/1303370421958578179 Third Party Advisory 
https://usn.ubuntu.com/4525-1/ Third Party Advisory 
https://usn.ubuntu.com/4525-1/ Third Party Advisory 
https://usn.ubuntu.com/4527-1/ Third Party Advisory 
https://usn.ubuntu.com/4527-1/ Third Party Advisory 
https://usn.ubuntu.com/4578-1/ Third Party Advisory 
https://usn.ubuntu.com/4578-1/ Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition cwe source acceptance level NIST  
CWE-787 Out-of-bounds Write cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

13 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-25212
NVD Published Date:
09/09/2020
NVD Last Modified:
11/21/2024
Source:
MITRE