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
7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability
2.33%

81.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel5.0.21

References

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.

Are you affected by CVE-2019-19378?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST