CVE-2019-8980 — Missing Release of Memory after Effective Lifetime in Kernel

CWE-401 — Missing Release of Memory after Effective LifetimeCWE-400 — Uncontrolled Resource Consumption14 documents7 sources
Severity
7.5HIGHNVD
OSV7.8
EPSS
2.1%
top 16.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Linux KernelDebian LinuxCanonical Ubuntu Linux+2 more
Timeline
PublishedFeb 21
Latest updateMay 13

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages5 packages

▶NVDlinux/linux_kernel4.7 — 4.9.163+5
▶Debianlinux/linux_kernel< 4.19.28-1+3
▶Ubuntulinux/linux_kernel< 4.15.0-47.50
▶debiandebian/linux< linux 4.19.28-1 (bookworm)
▶NVDopensuse/leap15.0

Also affects: Debian Linux 8.0, Ubuntu Linux 14.04, 16.04, 18.04, 18.10

🔴Vulnerability Details

5
GHSA
GHSA-2xr8-28cv-28vv: A memory leak in the kernel_read_file function in fs/exec↗2022-05-13
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OSV
linux, linux-aws, linux-gcp, linux-kvm, linux-oem, linux-oracle, linux-raspi2 vulnerabilities↗2019-04-02
▶
OSV
linux-hwe, linux-azure vulnerabilities↗2019-04-02
▶
OSV
linux-hwe, linux-aws-hwe, linux-azure, linux-gcp, linux-oracle vulnerabilities↗2019-04-02
▶
OSV
CVE-2019-8980: A memory leak in the kernel_read_file function in fs/exec↗2019-02-21
▶

📋Vendor Advisories

6
Ubuntu
Linux kernel (HWE) vulnerabilities↗2019-04-02
▶
Ubuntu
Linux kernel (HWE) vulnerabilities↗2019-04-02
▶
Ubuntu
Linux kernel vulnerabilities↗2019-04-02
▶
Ubuntu
Linux kernel vulnerabilities↗2019-04-02
▶
Red Hat
kernel: memory leak in the kernel_read_file function in fs/exec.c allows to cause a denial of service↗2019-02-18
▶

💬Community

2
Bugzilla
CVE-2019-8980 kernel: memory leak in the kernel_read_file function in fs/exec.c allows to cause a denial of service↗2019-02-22
▶
Bugzilla
CVE-2019-8980 kernel: memory leak in the kernel_read_file function in fs/exec.c allows to cause a denial of service [fedora-all]↗2019-02-22
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