CVE-2017-16995
Linux - BPF Sign Extension Local Privilege Escalation
Severity Score
7.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
12
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
La función check_alu_op en kernel/bpf/verifier.c en el kernel de Linux, hasta la versión 4.4, permite que los usuarios locales provoquen una denegación de servicio (corrupción de memoria) o, posiblemente, causen otros impactos no especificados aprovechando una extensión de señal incorrecta
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2017-11-27 CVE Reserved
- 2017-12-22 CVE Published
- 2018-03-19 First Exploit
- 2023-03-08 EPSS Updated
- 2024-08-05 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
References (23)
| URL | Tag | Source |
|---|---|---|
| http://openwall.com/lists/oss-security/2017/12/21/2 | Mailing List | |
| http://www.securityfocus.com/bid/102288 | Third Party Advisory | |
| https://bugs.chromium.org/p/project-zero/issues/detail?id=1454 | Third Party Advisory | |
| https://github.com/torvalds/linux/commit/95a762e2c8c942780948091f8f2a4f32fce1ac6f | Third Party Advisory |
| URL | Date | SRC |
|---|---|---|
| https://www.exploit-db.com/exploits/45058 | 2024-08-05 | |
| https://www.exploit-db.com/exploits/45010 | 2024-08-05 | |
| https://www.exploit-db.com/exploits/44298 | 2024-08-05 | |
| https://github.com/Al1ex/CVE-2017-16995 | 2021-09-08 | |
| https://github.com/C0dak/CVE-2017-16995 | 2018-03-19 | |
| https://github.com/gugronnier/CVE-2017-16995 | 2018-12-05 | |
| https://github.com/ph4ntonn/CVE-2017-16995 | 2021-01-28 | |
| https://github.com/anldori/CVE-2017-16995 | 2023-01-09 | |
| https://github.com/vnik5287/CVE-2017-16995 | 2019-07-23 | |
| https://github.com/fei9747/CVE-2017-16995 | 2021-09-08 | |
| https://github.com/littlebin404/CVE-2017-16995 | 2019-08-14 | |
| https://github.com/Lumindu/CVE-2017-16995-Linux-Kernel---BPF-Sign-Extension-Local-Privilege-Escalation- | 2020-05-12 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.9 < 4.9.72 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.9 < 4.9.72" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.10 < 4.14.9 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.10 < 4.14.9" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04" | esm |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04" | esm |
Affected
| ||||||