NULL pointer dereference in Linux Kernel
CVE-2019-19815
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.021 (81.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Linux Kernel — versions 5.0.21
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/bobfuzzer/CVE/tree/master/CVE-2019-19815 (Exploit, Third Party Advisory)
- github.com/torvalds/linux/commit/4969c06a0d83c9c3dc50b8efcdc8eeedfce896f6 (Patch, Third Party Advisory)
- security.netapp.com/advisory/ntap-20200103-0001/
Frequently asked questions
- What is CVE-2019-19815?
- CVE-2019-19815 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2019-12-17.
- How severe is CVE-2019-19815?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2019-19815 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.