CVE-2019-19050
First published: Mon Nov 18 2019(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=4.20<5.3.16 | |
| Linux Kernel | >=5.4<5.4.3 | |
| Linux Kernel | =5.5-rc1 | |
| Red Hat Fedora | =30 | |
| Red Hat Fedora | =31 | |
| Ubuntu | =18.04 | |
| Ubuntu | =19.10 | |
| NetApp Active IQ Unified Manager for VMware vSphere | ||
| NetApp Data Availability Services | ||
| NetApp E-Series SANtricity OS Controller | >=11.0.0<=11.60.3 | |
| NetApp SolidFire & HCI Management Node | ||
| NetApp SolidFire & HCI Storage Node | ||
| NetApp SteelStore Cloud Integrated Storage | ||
| NetApp HCI Compute Node | ||
| NetApp HCI Storage Nodes | ||
| Broadcom Fabric Operating System | ||
| NetApp A700 Firmware | ||
| NetApp AFF A700s Firmware | ||
| NetApp FAS8300 | ||
| NetApp FAS8300 Firmware | ||
| NetApp FAS 8700 | ||
| NetApp FAS8700 Firmware | ||
| NetApp AFF A400 | ||
| NetApp AFF A400 | ||
| NetApp HCI H610S Firmware | ||
| NetApp H610S Firmware | ||
| All of | ||
| NetApp A700 Firmware | ||
| NetApp AFF A700s Firmware | ||
| All of | ||
| NetApp FAS8300 | ||
| NetApp FAS8300 Firmware | ||
| All of | ||
| NetApp FAS 8700 | ||
| NetApp FAS8700 Firmware | ||
| All of | ||
| NetApp AFF A400 | ||
| NetApp AFF A400 | ||
| All of | ||
| NetApp HCI H610S Firmware | ||
| NetApp H610S Firmware | ||
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.133-1 6.12.22-1 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2019-19050 https://nvd.nist.gov/vuln/detail/CVE-2019-19050
- https://bugzilla.redhat.com/show_bug.cgi?id=1774998
- https://access.redhat.com/security/cve/CVE-2019-19050
- https://github.com/torvalds/linux/commit/c03b04dcdba1da39903e23cc4d072abf8f68f2dd
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1775002
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/
- https://security.netapp.com/advisory/ntap-20191205-0001/
- https://usn.ubuntu.com/4258-1/
- http://packetstormsecurity.com/files/156455/Kernel-Live-Patch-Security-Notice-LSN-0063-1.html
- https://usn.ubuntu.com/4284-1/
- https://launchpad.net/bugs/cve/CVE-2019-19050
- 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://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19050
- https://nvd.nist.gov/vuln/detail/CVE-2019-19050
- https://security-tracker.debian.org/tracker/CVE-2019-19050
- https://ubuntu.com/security/CVE-2019-19050
Frequently Asked Questions
What is the severity of CVE-2019-19050?
CVE-2019-19050 is classified as a high severity vulnerability due to its potential to cause denial of service through memory consumption.
How do I fix CVE-2019-19050?
To mitigate CVE-2019-19050, upgrade your Linux kernel to version 5.4.4 or later, or apply appropriate patches provided by your distribution.
What systems are affected by CVE-2019-19050?
CVE-2019-19050 affects various versions of the Linux Kernel up to 5.3.11 and certain Fedora and Ubuntu releases.
Can CVE-2019-19050 be exploited remotely?
Yes, CVE-2019-19050 can potentially be exploited remotely if an attacker can trigger the crypto_reportstat_alg() function failures.
What type of vulnerability is CVE-2019-19050?
CVE-2019-19050 is a memory leak vulnerability that can lead to denial of service scenarios.
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