Out-of-bounds Read in Linux Kernel
CVE-2019-19449
In the Linux kernel 5.0.21, mounting a crafted f2fs filesystem image can lead to slab-out-of-bounds read access in f2fs_build_segment_manager in fs/f2fs/segment.c, related to init_min_max_mtime in fs/f2fs/segment.c (because the second argument to get_seg_entry is not validated).
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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: 0.020 · newest: 0.021 · change: +0.001
Affected products
- Linux Kernel — versions 5.0.21
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/bobfuzzer/CVE/tree/master/CVE-2019-19449 (Exploit, Third Party Advisory)
- security.netapp.com/advisory/ntap-20200103-0001/
Frequently asked questions
- What is CVE-2019-19449?
- CVE-2019-19449 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2019-12-08.
- How severe is CVE-2019-19449?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2019-19449 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.