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CVE-2019-19047

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Date: November 18, 2019

A memory leak in the mlx5_fw_fatal_reporter_dump() function in drivers/net/ethernet/mellanox/mlx5/core/health.c in the Linux kernel before 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering mlx5_crdump_collect() failures, aka CID-c7ed6d0183d5.

Language: C

Severity Score

Related Resources (9)

https://security-tracker.debian.org/tracker/CVE-2019-19047
https://security.netapp.com/advisory/ntap-20191205-0001/
https://usn.ubuntu.com/4225-1/
https://access.redhat.com/security/cve/CVE-2019-19047
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11
https://github.com/torvalds/linux/commit/c7ed6d0183d5ea9bc31bcaeeba4070bd62546471
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-19047
https://nvd.nist.gov/vuln/detail/CVE-2019-19047
https://www.mend.io/vulnerability-database/CVE-2019-19047

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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