CVE-2019-19378
HIGHCVSS 7.8/10EPSS 2.33%
Last modified
CVE-2019-19378 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image can lead to slab-out-of-bounds write access in index_rbio_pages in fs/btrfs/raid56.c.. EPSS estimates a 2.33% chance of exploitation in the next 30 days.
Description
In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image can lead to slab-out-of-bounds write access in index_rbio_pages in fs/btrfs/raid56.c.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | 5.0.21 |
References
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19378Exploit, Third Party Advisory
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19378Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-19378?
In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image can lead to slab-out-of-bounds write access in index_rbio_pages in fs/btrfs/raid56.c.
How severe is CVE-2019-19378?
CVE-2019-19378 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.33% probability of exploitation in the next 30 days.
How do I fix CVE-2019-19378?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2019-19378?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST