CVE-2019-19449: linux linux_kernel Out-of-bounds Read
Vulnerability summary
CVE-2019-19449 is a high (CVSS 7.8) Out-of-bounds Read vulnerability in linux linux_kernel. EPSS estimates a 2.09% chance of exploitation in the next 30 days, higher than 81.6% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (GitHub, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 5Timeline
- 08-12-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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 metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
2.09%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.09% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundCve
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu54 products
- linuxAll versions (No fix recorded) | < 4.4.0-222.255 | < 4.15.0-162.170 | < 5.4.0-90.101
- linux-aws< 4.4.0-1102.107 | < 4.4.0-1138.152 | < 4.15.0-1115.122 | < 5.4.0-1059.62
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.3All versions (No fix recorded)
- linux-aws-5.4< 5.4.0-1059.62~18.04.1
Debian1 product
- linuxAll versions (No fix recorded)
Linux1 product
- linux_kernel5.0.21
3 vendors · 56 products
References
10 links- github.com/bobfuzzer/CVE/tree/master/CVE-2019-19449X Refsource MISCREPORTExploitThird Party Advisory
- security.netapp.com/advisory/ntap-20200103-0001/X Refsource CONFIRM
