PT-2018-11462 · Linux+3 · Linux Kernel+3

Felix Wilhelm · Publicado 2018-06-24 · Atualizado 2019-10-03 · CVE-2018-12904

Positive Technologies (AI Summary)

CVSS v3.1

4.9

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.17.2

Description The issue is related to a lack of checking of CPL when nested virtualization is used, allowing local attackers to cause L1 KVM guests to VMEXIT. This could potentially lead to privilege escalations and denial of service attacks.

Recommendations For versions prior to 4.17.2, update to version 4.17.2 or later to resolve the issue.

Exploit

Correção

Identificadores relacionados

ALT-PU-2018-1971

ALT-PU-2018-1976

ALT-PU-2019-1433

CVE-2018-12904

MGASA-2018-0296

MGASA-2018-0340

MGASA-2018-0341

SUSE-SU-2018:2474-1

USN-3752-1

USN-3752-2

USN-3752-3

Produtos afetados

Alt Linux

Linux Kernel

Suse

Ubuntu

Referências · 78

• 🔥 https://exploit-db.com/exploits/44944 · Exploit
• 🔥 https://bugs.chromium.org/p/project-zero/issues/detail?id=1589 · Exploit
• https://github.com/torvalds/linux/commit/727ba748e110b4de50d142edca9d6a9b7e6111d8 · Correção
• https://ubuntu.com/security/CVE-2018-1093 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2018-13094 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2018-12232 · Aviso do Fabricante
• https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.48 · Nota
• https://osv.dev/vulnerability/MGASA-2018-0296 · Aviso do Fabricante
• https://osv.dev/vulnerability/CVE-2018-12904 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2018-12904 · Aviso do Fabricante
• https://suse.com/security/cve/CVE-2017-18344 · Nota
• https://usn.ubuntu.com/3752-2 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2018-1000204 · Aviso do Fabricante
• https://osv.dev/vulnerability/USN-3752-2 · Aviso do Fabricante
• https://suse.com/security/cve/CVE-2018-3646 · Nota