CVE-2019-19062

Severity: medium (CVSS 4.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-11-18 · updated 2026-06-17
Weakness: CWE-401

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.

Affected products

Canonical Ubuntu Linux: 14.04, 16.04, 18.04, 19.10
Debian Linux: 8.0
Fedoraproject Fedora: 30, 31
Linux kernel: through 5.3.11
openSUSE Leap: 15.1
Red Hat Enterprise Linux: 7.0, 8.0

References

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
http://packetstormsecurity.com/files/155890/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
https://github.com/torvalds/linux/commit/ffdde5932042600c6807d46c1550b28b0db6a3bc
https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/
https://seclists.org/bugtraq/2020/Jan/10
https://security.netapp.com/advisory/ntap-20191205-0001/
https://usn.ubuntu.com/4254-1/
https://usn.ubuntu.com/4254-2/
https://usn.ubuntu.com/4258-1/

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