CVE-2019-19815

5.5 mediumEPSS 2.1%

Medium (5.5) in linux linux kernel. EPSS 2.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.5 medium

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

EPSS: 2.1% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2019-12-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

linux:linux_kernel

References

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

Check your stack JSON