Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | 5.0.21 |
Related Weaknesses (CWE)
References
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19815ExploitThird Party Advisory
- https://github.com/torvalds/linux/commit/4969c06a0d83c9c3dc50b8efcdc8eeedfce896fPatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20200103-0001/
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19815ExploitThird Party Advisory
- https://github.com/torvalds/linux/commit/4969c06a0d83c9c3dc50b8efcdc8eeedfce896fPatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20200103-0001/
FAQ
What is CVE-2019-19815?
CVE-2019-19815 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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...
How severe is CVE-2019-19815?
CVE-2019-19815 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-19815?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.