What’s Vulnerable › Vulnerabilities

CVE-2019-19815

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-12-17 · updated 2026-06-17
• Weakness: CWE-476

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.

Affected products

• Linux kernel: 5.0.21

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
• https://security.netapp.com/advisory/ntap-20200103-0001/

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