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CVE-2019-20096

Good to know:

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Date: December 29, 2019

In the Linux kernel before 5.1, there is a memory leak in __feat_register_sp() in net/dccp/feat.c, which may cause denial of service, aka CID-1d3ff0950e2b.

Language: C

Severity Score

Related Resources (15)

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1
http://packetstormsecurity.com/files/156455/Kernel-Live-Patch-Security-Notice-LSN-0063-1.html
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1d3ff0950e2b40dc861b1739029649d03f591820
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
https://usn.ubuntu.com/4287-2/
https://usn.ubuntu.com/4286-1/
https://access.redhat.com/security/cve/CVE-2019-20096
https://usn.ubuntu.com/4286-2/
https://usn.ubuntu.com/4287-1/
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
https://security-tracker.debian.org/tracker/CVE-2019-20096
https://nvd.nist.gov/vuln/detail/CVE-2019-20096
https://usn.ubuntu.com/4285-1/
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-20096
https://www.mend.io/vulnerability-database/CVE-2019-20096

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Missing Release of Memory after Effective Lifetime

CWE-401

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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