CVE-2017-6346

low-risk
Published 2017-03-01

Race condition in net/packet/af_packet.c in the Linux kernel before 4.9.13 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a multithreaded application that makes PACKET_FANOUT setsockopt system calls.

Do I need to act?

-
0.06% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.0/10 High
LOCAL / HIGH complexity

Affected Products (1)

Affected Vendors

Linux

References (14)

Patch http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d199fa...
Third Party Advisory http://www.debian.org/security/2017/dsa-3804
Patch http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.13
Mailing List http://www.openwall.com/lists/oss-security/2017/02/28/6
Third Party Advisory http://www.securityfocus.com/bid/96508
Patch https://github.com/torvalds/linux/commit/d199fab63c11998a602205f7ee7ff7c05c97164...
Third Party Advisory https://source.android.com/security/bulletin/2017-09-01
Patch http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d199fa...
Third Party Advisory http://www.debian.org/security/2017/dsa-3804
Patch http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.13
Mailing List http://www.openwall.com/lists/oss-security/2017/02/28/6
Third Party Advisory http://www.securityfocus.com/bid/96508
Patch https://github.com/torvalds/linux/commit/d199fab63c11998a602205f7ee7ff7c05c97164...
Third Party Advisory https://source.android.com/security/bulletin/2017-09-01
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal