CVE-2019-19449

Severity: high (CVSS 7.8 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: 2019-12-08 · updated 2026-06-17
Weakness: CWE-125

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).

Affected products

Linux kernel: 5.0.21

References

https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19449
https://security.netapp.com/advisory/ntap-20200103-0001/
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19449
https://security.netapp.com/advisory/ntap-20200103-0001/

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