high
7.8
CWE
401 119
Advisory Published
Updated

CVE-2019-19074: Buffer Overflow

First published: Mon Nov 18 2019(Updated: )

A memory leak in the ath9k_wmi_cmd() function in drivers/net/wireless/ath/ath9k/wmi.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption), aka CID-728c1e2a05e4.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/kernel-rt<0:4.18.0-193.rt13.51.el8
0:4.18.0-193.rt13.51.el8
redhat/kernel<0:4.18.0-193.el8
0:4.18.0-193.el8
debian/linux
5.10.223-1
5.10.226-1
6.1.123-1
6.1.128-1
6.12.12-1
6.12.15-1
Linux kernel<4.4.233
Linux kernel>=4.5<4.9.233
Linux kernel>=4.10<4.14.192
Linux kernel>=4.15<4.19.137
Linux kernel>=4.20<5.4
Debian=9.0
Ubuntu Linux=14.04
Ubuntu Linux=16.04
Ubuntu Linux=18.04
Linux Kernel<4.4.233
Linux Kernel>=4.5<4.9.233
Linux Kernel>=4.10<4.14.192
Linux Kernel>=4.15<4.19.137
Linux Kernel>=4.20<5.4
Ubuntu=14.04
Ubuntu=16.04
Ubuntu=18.04

Remedy

https://github.com/torvalds/linux/commit/728c1e2a05e4b5fc52fab3421dce772a806612a2

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2019-19074?

    CVE-2019-19074 has a severity rating that indicates it can lead to a denial of service due to memory consumption.

  • How do I fix CVE-2019-19074?

    To fix CVE-2019-19074, update your Linux kernel to version 5.10.223-1 or later, or apply the relevant updates from your Linux distribution.

  • Which systems are affected by CVE-2019-19074?

    CVE-2019-19074 affects various Linux kernels including versions through 5.3.11 and specific versions in Red Hat, Debian, and Ubuntu distributions.

  • What types of attacks does CVE-2019-19074 enable?

    CVE-2019-19074 enables attackers to exploit a memory leak, resulting in denial of service conditions.

  • Is CVE-2019-19074 being actively exploited?

    There have been no confirmed reports of active exploitation for CVE-2019-19074, but mitigating the risk is recommended.

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