CVE-2016-3955

high-risk
Published 2016-07-03

The usbip_recv_xbuff function in drivers/usb/usbip/usbip_common.c in the Linux kernel before 4.5.3 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact via a crafted length value in a USB/IP packet.

Do I need to act?

!
12.8% chance of exploitation in next 30 days
EPSS score — higher than 87% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (7)

Affected Vendors

Debian Canonical Linux

References (34)

Vendor Advisory http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b348d7...
Mailing List http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
Third Party Advisory http://www.debian.org/security/2016/dsa-3607
Vendor Advisory http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.3
Mailing List http://www.openwall.com/lists/oss-security/2016/04/19/1
Third Party Advisory http://www.securityfocus.com/bid/86534
Third Party Advisory http://www.ubuntu.com/usn/USN-2989-1
Third Party Advisory http://www.ubuntu.com/usn/USN-2996-1
Third Party Advisory http://www.ubuntu.com/usn/USN-2997-1
Third Party Advisory http://www.ubuntu.com/usn/USN-2998-1
Third Party Advisory http://www.ubuntu.com/usn/USN-3000-1
Third Party Advisory http://www.ubuntu.com/usn/USN-3001-1
Third Party Advisory http://www.ubuntu.com/usn/USN-3002-1
Third Party Advisory http://www.ubuntu.com/usn/USN-3003-1
Third Party Advisory http://www.ubuntu.com/usn/USN-3004-1
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1328478
Patch https://github.com/torvalds/linux/commit/b348d7dddb6c4fbfc810b7a0626e8ec9e29f7cb...
Vendor Advisory http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b348d7...
Mailing List http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
Third Party Advisory http://www.debian.org/security/2016/dsa-3607
and 14 more references
58
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 12/34 · Low
Exposure 14/34 · Moderate