Ubuntu.comUB:CVE-2018-14615CVE-2018-14615
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
7.1 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
0.001 Low
EPSS
Percentile
39.1%
An issue was discovered in the Linux kernel through 4.17.10. There is a
buffer overflow in truncate_inline_inode() in fs/f2fs/inline.c when
umounting an f2fs image, because a length value may be negative.
Notes
| Author | Note |
|---|---|
| sbeattie | f2fs tree fix w/commit “f2fs: fix to do sanity check with i_extra_isize” |
| tyhicks | The affected user base for this issue is likely small since f2fs is not the default filesystem and it is not widely used in Ubuntu |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | linux | < 4.15.0-58.64 | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-aws | < 4.15.0-1047.49 | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-aws-hwe | < 4.15.0-1047.49~16.04.1 | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-azure | < 5.0.0-1014.14~18.04.1 | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-azure | < 4.15.0-1055.60 | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-azure-edge | < 5.0.0-1014.14~18.04.1 | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-azure-edge | < 4.15.0-1055.60 | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-gcp | < 4.15.0-1040.42 | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-gcp | < 4.15.0-1040.42~16.04.1 | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-gcp-edge | < 4.15.0-1040.42 | UNKNOWN |
References
bugzilla.kernel.org/show_bug.cgi?id=200421
git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=f2fs-dev&id=18dd6470c2d14d10f5a2dd926925dc80dbd3abfd
launchpad.net/bugs/cve/CVE-2018-14615
nvd.nist.gov/vuln/detail/CVE-2018-14615
security-tracker.debian.org/tracker/CVE-2018-14615
ubuntu.com/security/notices/USN-4094-1
ubuntu.com/security/notices/USN-4118-1
www.cve.org/CVERecord?id=CVE-2018-14615
Related
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
7.1 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
0.001 Low
EPSS
Percentile
39.1%