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
7.3 High
AI Score
Confidence
High
7.2 High
CVSS2
Access Vector
LOCAL
Access 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
0.0004 Low
EPSS
Percentile
5.4%
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.
CPE | Name | Operator | Version |
---|---|---|---|
linux_kernel | ge | 3.19 | |
linux_kernel | lt | 4.1.44 | |
linux_kernel | ge | 3.8 | |
linux_kernel | lt | 3.18.64 | |
linux_kernel | ge | 4.2 | |
linux_kernel | lt | 4.4.81 | |
linux_kernel | ge | 4.5 | |
linux_kernel | lt | 4.9.42 | |
linux_kernel | ge | 4.10 | |
linux_kernel | lt | 4.12.4 |
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=15d3042a937c13f5d9244241c7a9c8416ff6e82a
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.4
www.securityfocus.com/bid/100215
bugzilla.redhat.com/show_bug.cgi?id=1481149
github.com/torvalds/linux/commit/15d3042a937c13f5d9244241c7a9c8416ff6e82a
source.android.com/security/bulletin/2017-08-01
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
7.3 High
AI Score
Confidence
High
7.2 High
CVSS2
Access Vector
LOCAL
Access 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
0.0004 Low
EPSS
Percentile
5.4%