CVE-2019-8980

HIGH

Linux Kernel < 4.9.163 - Memory Leak

Title source: rule

Description

A memory leak in the kernel_read_file function in fs/exec.c in the Linux kernel through 4.20.11 allows attackers to cause a denial of service (memory consumption) by triggering vfs_read failures.

References (10)

[Mailing List] https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1935698.html

[Mailing List] https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1935705.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.html

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/107120

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html

[Third Party Advisory] https://support.f5.com/csp/article/K56480726

[Third Party Advisory] https://usn.ubuntu.com/3930-1/

[Third Party Advisory] https://usn.ubuntu.com/3930-2/

[Third Party Advisory] https://usn.ubuntu.com/3931-1/

[Third Party Advisory] https://usn.ubuntu.com/3931-2/

Scores

CVSS v3 7.5

EPSS 0.0208

EPSS Percentile 83.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-401

Status published

Affected Products (8)

linux/linux_kernel < 4.9.163

linux/linux_kernel

canonical/ubuntu_linux

opensuse/leap

debian/debian_linux

Timeline

Published Feb 21, 2019

Tracked Since Feb 18, 2026