---
cve: "CVE-2017-16995"
severity: "LOW"
cvss: 3.1
epss: "30%"
vendor: "n/a"
kev: false
exploited: false
published: "2017-12-27 17:08:17"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-19T08:40:15+02:00"
---

# CVE-2017-16995

> 3.1 LOW · 🧪 PoC

## Beschreibung

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.

## Exploit-Evidenz

- [EDB-45058 — Linux - BPF Sign Extension Local Privilege Escalation (Metasploit)](https://www.exploit-db.com/exploits/45058) ✅
- [EDB-45010 — Linux Kernel < 4.13.9 (Ubuntu 16.04 / Fedora 27) - Local Privilege Escalation](https://www.exploit-db.com/exploits/45010) ✅
- [EDB-44298 — Linux Kernel < 4.4.0-116 (Ubuntu 16.04.4) - Local Privilege Escalation](https://www.exploit-db.com/exploits/44298)

## Referenzen

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

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2017-16995) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_