Ubuntu.comUB:CVE-2019-19449CVE-2019-19449
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
35.7%
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).
Notes
| Author | Note |
|---|---|
| tyhicks | Exploiting this vulnerability requires a crafted filesystem image to be mounted |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 20.04 | noarch | linux-azure-5.8 | < 5.8.0-1043.46~20.04.1 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-bluefield | < 5.4.0-1021.24 | UNKNOWN |
| ubuntu | 24.04 | noarch | linux-nvidia | < any | UNKNOWN |
| ubuntu | 14.04 | noarch | linux-aws | < 4.4.0-1102.107 | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1138.152 | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-aws | < 4.15.0-1115.122 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-aws | < 5.4.0-1059.62 | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-aws-hwe | < 4.15.0-1115.122~16.04.1 | UNKNOWN |
| ubuntu | 14.04 | noarch | linux-azure | < 4.15.0-1126.139~14.04.1 | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-azure | < 4.15.0-1126.139~16.04.1 | UNKNOWN |
References
github.com/bobfuzzer/CVE/tree/master/CVE-2019-19449
launchpad.net/bugs/cve/CVE-2019-19449
nvd.nist.gov/vuln/detail/CVE-2019-19449
security-tracker.debian.org/tracker/CVE-2019-19449
ubuntu.com/security/notices/USN-5120-1
ubuntu.com/security/notices/USN-5136-1
ubuntu.com/security/notices/USN-5137-1
ubuntu.com/security/notices/USN-5137-2
ubuntu.com/security/notices/USN-5343-1
www.cve.org/CVERecord?id=CVE-2019-19449
Related
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
35.7%