CVE-2017-16995
Summary
| CVE | CVE-2017-16995 |
|---|---|
| State | PUBLISHED |
| Assigner | debian |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2017-12-27 17:08:17 UTC |
| Updated | 2025-04-20 01:37:25 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v3.1 7.8 HIGH from [email protected]
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Problem Types: CWE-119 | incorrect sign extension
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 2.0 | [email protected] | Primary | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
LowAuthentication
NoneConfidentiality
CompleteIntegrity
CompleteAvailability
CompleteAV:L/AC:L/Au:N/C:C/I:C/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| USN-3523-2: Linux kernel (HWE) vulnerabilities | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | usn.ubuntu.com | Third Party Advisory |
| kernel/git/torvalds/linux.git - Linux kernel source tree | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | Vendor Advisory |
| Linux Kernel CVE-2017-16995 Local Memory Corruption Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| USN-3619-1: Linux kernel vulnerabilities | Ubuntu security notices | af854a3a-2127-422b-91ae-364da2661108 | usn.ubuntu.com | Third Party Advisory |
| bpf: fix incorrect sign extension in check_alu_op() · torvalds/linux@95a762e · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Third Party Advisory |
| Debian -- Security Information -- DSA-4073-1 linux | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | Third Party Advisory |
| kernel/git/tip/tip.git - Unnamed repository; edit this file 'description' to name the repository. | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | Vendor Advisory |
| Exploit – Page 44298 – Exploits Database | af854a3a-2127-422b-91ae-364da2661108 | www.exploit-db.com | Third Party Advisory, VDB Entry |
| Linux - BPF Sign Extension Local Privilege Escalation (Metasploit) - Linux local Exploit | af854a3a-2127-422b-91ae-364da2661108 | www.exploit-db.com | Third Party Advisory, VDB Entry |
| oss-security - Linux >=4.9: eBPF memory corruption bugs | af854a3a-2127-422b-91ae-364da2661108 | openwall.com | Mailing List, Third Party Advisory |
| USN-3619-2: Linux kernel (Xenial HWE) vulnerabilities | Ubuntu security notices | af854a3a-2127-422b-91ae-364da2661108 | usn.ubuntu.com | Third Party Advisory |
| Linux Kernel < 4.13.9 (Ubuntu 16.04/Fedora 27) - Local Privilege Escalation | af854a3a-2127-422b-91ae-364da2661108 | www.exploit-db.com | Third Party Advisory, VDB Entry |
| 1454 - arbitrary read+write via incorrect range tracking in eBPF - project-zero - Monorail | af854a3a-2127-422b-91ae-364da2661108 | bugs.chromium.org | Third Party Advisory |
| USN-3633-1: Linux kernel (Intel Euclid) vulnerability | Ubuntu security notices | af854a3a-2127-422b-91ae-364da2661108 | usn.ubuntu.com | Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.