CVE-2019-19050Missing Release of Memory after Effective Lifetime in Kernel

Severity
7.5HIGHNVD
OSV5.5
EPSS
1.1%
top 22.04%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedNov 18
Latest updateMay 24

Description

A memory leak in the crypto_reportstat() function in crypto/crypto_user_stat.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering crypto_reportstat_alg() failures, aka CID-c03b04dcdba1.

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 Packages3 packages

NVDlinux/linux_kernel4.205.3.16+2
Debianlinux/linux_kernel< 5.4.6-1+3

Also affects: Ubuntu Linux 18.04, 19.10, Fedora 30, 31

Patches

🔴Vulnerability Details

5
GHSA
GHSA-r72c-cvxr-7838: A memory leak in the crypto_reportstat() function in crypto/crypto_user_stat2022-05-24
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-aws-5.0, linux-gcp, linux-gke-5.0, linux-oracle-5.0 vulnerabilities2020-01-29
OSV
CVE-2019-19050: A memory leak in the crypto_reportstat() function in crypto/crypto_user_stat2019-11-18
CVEList
CVE-2019-19050: A memory leak in the crypto_reportstat() function in crypto/crypto_user_stat2019-11-18

📋Vendor Advisories

4
Ubuntu
Linux kernel vulnerabilities2020-02-19
Ubuntu
Linux kernel vulnerabilities2020-01-29
Red Hat
kernel: dos in crypto_reportstat() function in crypto/crypto_user_stat.c2019-11-18
Debian
CVE-2019-19050: linux - A memory leak in the crypto_reportstat() function in crypto/crypto_user_stat.c i...2019

💬Community

3
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-2019-19050 kernel: dos in crypto_reportstat() function in crypto/crypto_user_stat.c2019-11-21
Bugzilla
CVE-2019-19050 kernel: dos in crypto_reportstat() function in crypto/crypto_user_stat.c [fedora-all]2019-11-21
CVE-2019-19050 — Linux Kernel vulnerability | cvebase