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CVE-2019-18805 Detail

Description

An issue was discovered in net/ipv4/sysctl_net_ipv4.c in the Linux kernel before 5.0.11. There is a net/ipv4/tcp_input.c signed integer overflow in tcp_ack_update_rtt() when userspace writes a very large integer to /proc/sys/net/ipv4/tcp_min_rtt_wlen, leading to a denial of service or possibly unspecified other impact, aka CID-19fad20d15a6.


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/2019-11/msg00035.html Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00039.html Mailing List  Third Party Advisory 
https://access.redhat.com/errata/RHSA-2020:0740 Third Party Advisory 
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.11 Mailing List  Patch  Vendor Advisory 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=19fad20d15a6494f47f85d869f00b11343ee5c78 Mailing List  Patch  Vendor Advisory 
https://security.netapp.com/advisory/ntap-20191205-0001/ Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-190 Integer Overflow or Wraparound cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

8 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-18805
NVD Published Date:
11/07/2019
NVD Last Modified:
06/22/2021
Source:
MITRE