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:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.002 Low
EPSS
Percentile
64.3%
An issue was discovered in fs/f2fs/super.c in the Linux kernel through
4.14. A denial of service (out-of-bounds memory access and BUG) can occur
upon encountering an abnormal bitmap size when mounting a crafted f2fs
image.
Author | Note |
---|---|
sbeattie | git commit fix subject βf2fs: fix to do sanity check with {sit,nat}_ver_bitmap_bytesizeβ |
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 | <Β 4.15.0-58.64 | UNKNOWN |
ubuntu | 16.04 | noarch | linux | <Β 4.4.0-139.165 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | <Β 4.15.0-1047.49 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-aws | <Β 4.4.0-1034.37 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | <Β 4.4.0-1072.82 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws-hwe | <Β 4.15.0-1047.49~16.04.1 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-azure | <Β 4.18.0-1011.11~18.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-azure | <Β 4.15.0-1055.60 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-azure-edge | <Β 4.18.0-1011.11~18.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-azure-edge | <Β 4.15.0-1055.60 | UNKNOWN |
bugzilla.kernel.org/show_bug.cgi?id=200167
git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=f2fs-dev&id=c77ec61ca0a49544ca81881cc5d5529858f7e196
git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=f2fs-dev&id=e335cc683fd13882b9152937b06ff3c16c28aa34
git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git/commit/?h=dev&id=c77ec61ca0a49544ca81881cc5d5529858f7e196
launchpad.net/bugs/cve/CVE-2018-13096
nvd.nist.gov/vuln/detail/CVE-2018-13096
security-tracker.debian.org/tracker/CVE-2018-13096
ubuntu.com/security/notices/USN-3821-1
ubuntu.com/security/notices/USN-3821-2
ubuntu.com/security/notices/USN-4094-1
ubuntu.com/security/notices/USN-4118-1
www.cve.org/CVERecord?id=CVE-2018-13096
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:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.002 Low
EPSS
Percentile
64.3%