CVE-2017-7472
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.7 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
0.4%
The KEYS subsystem in the Linux kernel before 4.10.13 allows local users to cause a denial of service (memory consumption) via a series of KEY_REQKEY_DEFL_THREAD_KEYRING keyctl_set_reqkey_keyring calls.
Affected configurations
References
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9f838d104fed6f2f61d68164712e3204bf5271b
lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
openwall.com/lists/oss-security/2017/05/11/1
www.securityfocus.com/bid/98422
www.securitytracker.com/id/1038471
access.redhat.com/errata/RHSA-2018:0151
access.redhat.com/errata/RHSA-2018:0152
access.redhat.com/errata/RHSA-2018:0181
bugzilla.novell.com/show_bug.cgi?id=1034862
bugzilla.redhat.com/show_bug.cgi?id=1442086
github.com/torvalds/linux/commit/c9f838d104fed6f2f61d68164712e3204bf5271b
lkml.org/lkml/2017/4/1/235
lkml.org/lkml/2017/4/3/724
www.exploit-db.com/exploits/42136/
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.13
Related
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.7 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
0.4%