CVE-2019-19377
HIGH
7.8
CVSS Score
Published: November 29, 2019 at 03:55 PM UTC
Updated: June 17, 2026 at 02:26 AM UTC
5 products affected across 2 vendorsLinux KernelActive IQ Unified ManagerCloud Backup
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.8
Exploit prediction
EPSS 3%
Description
In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and unmounting can lead to a use-after-free in btrfs_queue_work in fs/btrfs/async-thread.c.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
2.6.12 ≤ v < 4.19.1564.20 ≤ v < 5.4.335.5.0 ≤ v < 5.5.185.6 ≤ v < 5.6.5
Affected range stops below 4.19.156, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.4.33, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.5.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.6.5, so it looks safe — our inference, not a vendor statement
All versions
Cloud Backup· NetAppdrupal
95%All versions
All versions
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (6)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19377Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.htmlx_refsource_CONFIRMThird Party AdvisoryVDB Entry
Source: [email protected]
https://security.netapp.com/advisory/ntap-20200103-0001/Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/4367-1/Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/4369-1/Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/4414-1/CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card