CVE-2019-19036
mediumpriority · track · 23EPSS 0.018 · 79 %ileDEEURUUSEPSS · scored 2026-10-23
btrfs_root_node in fs/btrfs/ctree.c in the Linux kernel through 5.3.12 allows a NULL pointer dereference because rcu_dereference(root->node) can be zero.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (14)
Products and version ranges known to be affected.
- NetApp ActiveIQ Unified Manager for VMware vSphereall versionscert_bundDEcpe:/a:netapp:active_iq_unified_manager:for_vmware_vsphere
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-2771Linux Kernel: Mehrere SchwachstellenDeutsch2019-11-20csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen oder vertrauliche Daten einzusehen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (27)
External citations — patches, advisories, analysis.
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlcnnvd
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19036cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-19036cnnvd
- https://packetstormsecurity.com/files/158628/Ubuntu-Security-Notice-USN-4439-1.htmlcnnvd
- https://security.netapp.com/advisory/ntap-20191205-0001/cnnvd
- https://usn.ubuntu.com/4414-1/cnnvd
- https://usn.ubuntu.com/4439-1/cnnvd
- https://vigilance.fr/vulnerability/Linux-kernel-NULL-pointer-dereference-via-btrfs-root-node-30922cnnvd
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