What’s Vulnerable › Vulnerabilities

CVE-2019-19050

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.1% 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_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.

Affected products

• Brocade Fabric OS: all versions
• Canonical Ubuntu Linux: 18.04, 19.10
• Fedoraproject Fedora: 30, 31
• Linux kernel: from 4.20 before 5.3.16; from 5.4 before 5.4.3; 5.5-rc1 — fixed in 5.3.16, 5.4.3
• Active IQ Unified Manager for VMware vSphere, Linux, and Microsoft Windows: all versions
• NetApp Aff A400 Firmware: all versions
• NetApp Aff A700S Firmware: all versions
• NetApp Data Availability Services: all versions
• E-Series SANtricity OS Controller Software 11.x: from 11.0.0 through 11.60.3
• NetApp Fas8300 Firmware: all versions
• NetApp Fas8700 Firmware: all versions
• NetApp H610S Firmware: all versions
• NetApp Hci Compute Node: all versions
• NetApp Hci Management Node: all versions
• NetApp Hci Storage Node: all versions
• NetApp Solidfire: all versions
• NetApp Steelstore Cloud Integrated Storage: all versions

How to fix

Upgrade to a fixed version: Linux kernel 5.3.16, 5.4.3. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/156455/Kernel-Live-Patch-Security-Notice-LSN-0063-1.html
• https://github.com/torvalds/linux/commit/c03b04dcdba1da39903e23cc4d072abf8f68f2dd
• 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://security.netapp.com/advisory/ntap-20191205-0001/
• https://usn.ubuntu.com/4258-1/
• https://usn.ubuntu.com/4284-1/
• http://packetstormsecurity.com/files/156455/Kernel-Live-Patch-Security-Notice-LSN-0063-1.html
• https://github.com/torvalds/linux/commit/c03b04dcdba1da39903e23cc4d072abf8f68f2dd
• 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://security.netapp.com/advisory/ntap-20191205-0001/

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