CVE-2019-19062Missing Release of Memory after Effective Lifetime in Linux

Severity
4.7MEDIUMNVD
OSV7.5OSV5.5
EPSS
0.1%
top 73.17%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedNov 18
Latest updateMay 24

Description

A memory leak in the crypto_report() function in crypto/crypto_user_base.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering crypto_report_alg() failures, aka CID-ffdde5932042.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.0 | Impact: 3.6

Affected Packages5 packages

Debianlinux/linux_kernel< 5.4.6-1+3
Ubuntulinux/linux_kernel< 4.4.0-173.203+1
NVDlinux/linux_kernel5.3.11
debiandebian/linux< linux 5.4.6-1 (bookworm)
NVDopensuse/leap15.1

Also affects: Debian Linux 8.0, Ubuntu Linux 14.04, 16.04, 18.04, 19.10, Enterprise Linux 7.0, 8.0, Fedora 30, 31

Patches

🔴Vulnerability Details

8
GHSA
GHSA-c679-6h87-f699: A memory leak in the crypto_report() function in crypto/crypto_user_base2022-05-24
OSV
linux, linux-aws, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-raspi2-5.3 vulnerabilities2020-02-19
OSV
linux, linux-aws, linux-aws-hwe, linux-azure, linux-gcp, linux-gke-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities2020-02-18
OSV
linux-azure vulnerabilities2020-02-18
OSV
linux-aws-5.0, linux-gcp, linux-gke-5.0, linux-oracle-5.0 vulnerabilities2020-01-29

📋Vendor Advisories

8
Ubuntu
Linux kernel vulnerabilities2020-02-19
Ubuntu
Linux kernel vulnerabilities2020-02-18
Ubuntu
Linux kernel (Azure) vulnerabilities2020-02-18
Ubuntu
Linux kernel (Xenial HWE) vulnerabilities2020-01-29
Ubuntu
Linux kernel vulnerabilities2020-01-29

💬Community

2
Bugzilla
CVE-2019-19062 kernel: memory leak in the crypto_report() function in crypto/crypto_user_base.c allows for DoS2019-11-21
Bugzilla
CVE-2019-19062 kernel: A memory leak in the crypto_report() function in crypto/crypto_user_base.c allows for a DoS [fedora-all]2019-11-21