CVE-2019-19815

Public Exploit

Description

In the Linux kernel 5.0.21, mounting a crafted f2fs filesystem image can cause a NULL pointer dereference in f2fs_recover_fsync_data in fs/f2fs/recovery.c. This is related to F2FS_P_SB in fs/f2fs/f2fs.h.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.97% Top 25%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19815 third party advisory exploit
https://github.com/torvalds/linux/commit/4969c06a0d83c9c3dc50b8efcdc8eeedfce896f6#diff-41a7fa4590d2af87e82101f2b4dadb56 third party advisory patch
https://security.netapp.com/advisory/ntap-20200103-0001/

Frequently Asked Questions

What is the severity of CVE-2019-19815?
CVE-2019-19815 has been scored as a medium severity vulnerability.
How to fix CVE-2019-19815?
To fix CVE-2019-19815, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-19815 being actively exploited in the wild?
It is possible that CVE-2019-19815 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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