PT-2017-14668 · Linux+2 · Linux Kernel+2

Bleidl + 1 · Publicado 2017-12-22 · Atualizado 2025-09-29 · CVE-2017-16995

Positive Technologies (AI Summary)

CVSS v3.1

7.8

Alta

Vetor base

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.5

Description The issue is related to the check alu op function in kernel/bpf/verifier.c, which allows local users to cause a denial of service or possibly have other unspecified impacts by leveraging incorrect sign extension.

Recommendations For versions prior to 4.5, update to version 4.5 or later to resolve the issue.

Exploit

Correção

DoS

Buffer Overflow

Enumeração de Fraquezas

CWE-119

Identificadores relacionados

ALSA-2025_16880

ALT-PU-2017-2830

ALT-PU-2017-2831

ALT-PU-2017-2832

ALT-PU-2018-1016

ALT-PU-2018-1253

CVE-2017-16995

DSA-4073-1

MGASA-2018-0062

MGASA-2018-0063

MGASA-2018-0064

OPENSUSE-SU-2024:10728-1

OPENSUSE-SU-2024:13704-1

USN-3523-1

USN-3523-2

USN-3523-3

USN-3619-1

USN-3619-2

USN-3633-1

Produtos afetados

Alt Linux

Linux Kernel

Ubuntu

Referências · 298

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/bpf_sign_extension_priv_esc.rb · Exploit
• 🔥 https://github.com/qazbnm456/awesome-cve-poc/blob/master/CVE-2017-16995.md · Exploit
• 🔥 https://github.com/Al1ex/CVE-2017-16995 · Exploit
• 🔥 https://exploit-db.com/exploits/45010 · Exploit
• 🔥 https://exploit-db.com/exploits/45058 · Exploit
• 🔥 https://exploit-db.com/exploits/44298 · Exploit
• https://github.com/torvalds/linux/commit/95a762e2c8c942780948091f8f2a4f32fce1ac6f · Nota
• https://suse.com/security/cve/CVE-2017-16536 · Nota
• https://ubuntu.com/security/CVE-2017-16536 · Aviso do Fabricante
• https://suse.com/security/cve/CVE-2019-18812 · Nota
• https://osv.dev/vulnerability/CVE-2017-16995 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2017-16537 · Aviso do Fabricante
• https://kernelnewbies.org/Linux_4.11 · Nota
• https://suse.com/security/cve/CVE-2021-26708 · Nota
• https://suse.com/security/cve/CVE-2022-1679 · Nota