7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.0004 Low
EPSS
Percentile
5.1%
The sanity_check_ckpt function in fs/f2fs/super.c in the Linux kernel
before 4.12.4 does not validate the blkoff and segno arrays, which allows
local users to gain privileges via unspecified vectors.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 14.04 | noarch | linux | <Β 3.13.0-135.184 | UNKNOWN |
ubuntu | 16.04 | noarch | linux | <Β 4.4.0-96.119 | UNKNOWN |
ubuntu | 17.04 | noarch | linux | <Β 4.10.0-38.42 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | <Β 4.4.0-1035.44 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-azure | <Β 4.13.0-1005.7 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-gcp | <Β 4.10.0-1008.8 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-gke | <Β 4.4.0-1031.31 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-hwe | <Β 4.10.0-38.42~16.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-hwe-edge | <Β 4.10.0-38.42~16.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-kvm | <Β 4.4.0-1007.12 | UNKNOWN |
blog.trendmicro.com/trendlabs-security-intelligence/vulnerability-f2fs-file-system-leads-memory-corruption-android-linux/
launchpad.net/bugs/cve/CVE-2017-10663
nvd.nist.gov/vuln/detail/CVE-2017-10663
security-tracker.debian.org/tracker/CVE-2017-10663
ubuntu.com/security/notices/USN-3420-1
ubuntu.com/security/notices/USN-3420-2
ubuntu.com/security/notices/USN-3468-1
ubuntu.com/security/notices/USN-3468-2
ubuntu.com/security/notices/USN-3468-3
ubuntu.com/security/notices/USN-3470-1
ubuntu.com/security/notices/USN-3470-2
www.cve.org/CVERecord?id=CVE-2017-10663
7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.0004 Low
EPSS
Percentile
5.1%