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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.01%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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).
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.01% probability · 80th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19449Exploit, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200103-0001/
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19449Exploit, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200103-0001/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.