7.8
CWE
401 400
Advisory Published
CVE Published
Updated

CVE-2019-8980

First published: Mon Feb 18 2019(Updated: )

A kernel memory leak was found in the kernel_read_file() function in the fs/exec.c file in the Linux kernel which allows attackers to cause a memory leak and thus a denial of service (DoS). References: <a href="https://lore.kernel.org/lkml/20190219021038.11340-1-yuehaibing@huawei.com/T/#u">https://lore.kernel.org/lkml/20190219021038.11340-1-yuehaibing@huawei.com/T/#u</a> <a href="https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1935698.html">https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1935698.html</a> An upstream patch: <a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f612acfae86af7ecad754ae6a46019be9da05b8e">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f612acfae86af7ecad754ae6a46019be9da05b8e</a>

Credit: cve@mitre.org cve@mitre.org 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
Linux Kernel>=4.7<4.9.163
Linux Kernel>=4.14<4.14.106
Linux Kernel>=4.19<4.19.28
Linux Kernel>=4.20<4.20.15
Linux Kernel>=5.0<5.0.1
Linux Kernel=5.1-rc1
Ubuntu Linux=14.04
Ubuntu Linux=16.04
Ubuntu Linux=18.04
Ubuntu Linux=18.10
openSUSE=15.0
Debian GNU/Linux=8.0
debian/linux
5.10.223-1
5.10.226-1
6.1.123-1
6.1.128-1
6.12.12-1
6.12.16-1
Linux kernel>=4.7<4.9.163
Linux kernel>=4.14<4.14.106
Linux kernel>=4.19<4.19.28
Linux kernel>=4.20<4.20.15
Linux kernel>=5.0<5.0.1
Linux kernel=5.1-rc1
Ubuntu=14.04
Ubuntu=16.04
Ubuntu=18.04
Ubuntu=18.10
Debian=8.0

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2019-8980?

    CVE-2019-8980 has a severity rating of medium due to its potential to cause a denial of service.

  • How do I fix CVE-2019-8980?

    To fix CVE-2019-8980, update your kernel to versions 0:4.18.0-193.rt13.51.el8 or 0:4.18.0-193.el8 or later.

  • What systems are affected by CVE-2019-8980?

    CVE-2019-8980 affects various Linux kernel versions between 4.7 and 5.1-rc1 and several Linux distributions like Red Hat, Ubuntu, and Debian.

  • Can CVE-2019-8980 be exploited remotely?

    CVE-2019-8980 may allow local attackers to exploit the vulnerability to cause a memory leak.

  • What components are involved in CVE-2019-8980?

    CVE-2019-8980 specifically involves the kernel_read_file() function within the fs/exec.c file of the Linux kernel.

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