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Test ID:1.3.6.1.4.1.25623.1.0.843507
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory (USN-3633-1)
Summary:The remote host is missing an update for the 'linux-euclid' package(s) announced via the USN-3633-1 advisory.
Description:Summary:
The remote host is missing an update for the 'linux-euclid' package(s) announced via the USN-3633-1 advisory.

Vulnerability Insight:
Jann Horn discovered that the Berkeley Packet Filter (BPF) implementation
in the Linux kernel improperly performed sign extension in some situations.
A local attacker could use this to cause a denial of service (system crash)
or possibly execute arbitrary code.

Affected Software/OS:
'linux-euclid' package(s) on Ubuntu 16.04.

Solution:
Please install the updated package(s).

CVSS Score:
7.2

CVSS Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2017-16995
BugTraq ID: 102288
http://www.securityfocus.com/bid/102288
Debian Security Information: DSA-4073 (Google Search)
https://www.debian.org/security/2017/dsa-4073
https://www.exploit-db.com/exploits/44298/
https://www.exploit-db.com/exploits/45010/
https://www.exploit-db.com/exploits/45058/
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=95a762e2c8c942780948091f8f2a4f32fce1ac6f
http://openwall.com/lists/oss-security/2017/12/21/2
https://bugs.chromium.org/p/project-zero/issues/detail?id=1454
https://github.com/torvalds/linux/commit/95a762e2c8c942780948091f8f2a4f32fce1ac6f
https://usn.ubuntu.com/usn/usn-3523-2/
https://usn.ubuntu.com/3619-1/
https://usn.ubuntu.com/3619-2/
https://usn.ubuntu.com/3633-1/
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