CVE-2018-16658
6.1 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
5.9 Medium
AI Score
Confidence
High
3.6 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:N/A:P
0.0004 Low
EPSS
Percentile
9.3%
An issue was discovered in the Linux kernel before 4.18.6. An information leak in cdrom_ioctl_drive_status in drivers/cdrom/cdrom.c could be used by local attackers to read kernel memory because a cast from unsigned long to int interferes with bounds checking. This is similar to CVE-2018-10940.
References
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f3fafc9c2f0ece10832c25f7ffcb07c97a32ad4
www.securityfocus.com/bid/105334
access.redhat.com/errata/RHSA-2019:2029
access.redhat.com/errata/RHSA-2019:2043
access.redhat.com/errata/RHSA-2019:4154
cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.6
github.com/torvalds/linux/commit/8f3fafc9c2f0ece10832c25f7ffcb07c97a32ad4
lists.debian.org/debian-lts-announce/2018/10/msg00003.html
usn.ubuntu.com/3797-1/
usn.ubuntu.com/3797-2/
usn.ubuntu.com/3820-1/
usn.ubuntu.com/3820-2/
usn.ubuntu.com/3820-3/
usn.ubuntu.com/3822-1/
usn.ubuntu.com/3822-2/
www.debian.org/security/2018/dsa-4308
Related
6.1 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
5.9 Medium
AI Score
Confidence
High
3.6 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:N/A:P
0.0004 Low
EPSS
Percentile
9.3%