CVSS2
Attack Vector
NETWORK
Attack 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
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
EPSS
Percentile
64.8%
The ext4_iget function in fs/ext4/inode.c in the Linux kernel through
4.15.15 mishandles the case of a root directory with a zero i_links_count,
which allows attackers to cause a denial of service
(ext4_process_freed_data NULL pointer dereference and OOPS) via a crafted
ext4 image.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 17.10 | noarch | linux | < 4.13.0-45.50 | UNKNOWN |
ubuntu | 18.04 | noarch | linux | < 4.15.0-23.25 | UNKNOWN |
ubuntu | 14.04 | noarch | linux | < 3.13.0-157.207 | UNKNOWN |
ubuntu | 16.04 | noarch | linux | < 4.4.0-128.154 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | < 4.15.0-1010.10 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-aws | < 4.4.0-1023.23 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1061.70 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-azure | < 4.15.0-1013.13 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-azure | < 4.15.0-1013.13~16.04.2 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-azure-edge | < 4.15.0-1013.13 | UNKNOWN |
bugzilla.kernel.org/show_bug.cgi?id=199179
launchpad.net/bugs/cve/CVE-2018-1092
nvd.nist.gov/vuln/detail/CVE-2018-1092
security-tracker.debian.org/tracker/CVE-2018-1092
ubuntu.com/security/notices/USN-3676-1
ubuntu.com/security/notices/USN-3676-2
ubuntu.com/security/notices/USN-3677-1
ubuntu.com/security/notices/USN-3677-2
ubuntu.com/security/notices/USN-3678-1
ubuntu.com/security/notices/USN-3678-2
ubuntu.com/security/notices/USN-3678-3
ubuntu.com/security/notices/USN-3678-4
ubuntu.com/security/notices/USN-3754-1
www.cve.org/CVERecord?id=CVE-2018-1092
CVSS2
Attack Vector
NETWORK
Attack 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
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
EPSS
Percentile
64.8%