CVE-2017-11176
moderate-risk
Published 2017-07-11
The mq_notify function in the Linux kernel through 4.11.9 does not set the sock pointer to NULL upon entry into the retry logic. During a user-space close of a Netlink socket, it allows attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact.
Do I need to act?
!
20.8% chance of exploitation in next 30 days
EPSS score — higher than 79% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10
High
LOCAL
/ LOW complexity
Affected Products (3)
References (24)
Third Party Advisory
http://www.debian.org/security/2017/dsa-3927
Third Party Advisory
http://www.debian.org/security/2017/dsa-3945
Third Party Advisory
http://www.securityfocus.com/bid/99919
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2918
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2930
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2931
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0169
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3822
Third Party Advisory
https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+Struxur...
Third Party Advisory
https://www.exploit-db.com/exploits/45553/
Third Party Advisory
http://www.debian.org/security/2017/dsa-3927
Third Party Advisory
http://www.debian.org/security/2017/dsa-3945
Third Party Advisory
http://www.securityfocus.com/bid/99919
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2918
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2930
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2931
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0169
and 4 more references
47
/ 100
moderate-risk
Severity
24/34 · High
Exploitability
14/34 · Moderate
Exposure
9/34 · Low