CVE-2017-16995

The check_alu_op function in kernel/bpf/verifier.c in the Linux kernel through 4.4 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging incorrect sign extension.

CVSS v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

Vector : AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.debian.org/security/2017/dsa-4073	Third Party Advisory
https://github.com/torvalds/linux/commit/95a762e2c8c942780948091f8f2a4f32fce1ac6f	Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1454	Third Party Advisory
http://openwall.com/lists/oss-security/2017/12/21/2	Mailing List
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=95a762e2c8c942780948091f8f2a4f32fce1ac6f	Vendor Advisory
http://www.securityfocus.com/bid/102288	Third Party Advisory VDB Entry
https://usn.ubuntu.com/usn/usn-3523-2/
https://www.exploit-db.com/exploits/44298/
https://usn.ubuntu.com/3619-1/
https://usn.ubuntu.com/3619-2/
https://usn.ubuntu.com/3633-1/
https://www.exploit-db.com/exploits/45010/
https://www.exploit-db.com/exploits/45058/
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=a6132276ab5dcc38b3299082efeb25b948263adb

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Information

Published : 2017-12-27 17:08

Updated : 2021-01-05 20:15

NVD link : CVE-2017-16995

Mitre link : CVE-2017-16995

JSON object : View

Products Affected

linux

linux_kernel

debian

debian_linux

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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