PT-2018-6782 · Linux+3 · Linux Kernel+3

Wei Fang · Publicado 2017-07-12 · Atualizado 2018-10-18 · CVE-2017-18257

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 4.11

Description: The issue allows local users to cause a denial of service due to an integer overflow and loop. This can be achieved through crafted use of the open and fallocate system calls with an FS IOC FIEMAP ioctl, specifically exploiting the get data block function in fs/f2fs/data.c.

Recommendations: For Linux kernel versions prior to 4.11, update to version 4.11 or later to resolve the issue.

Correção

DoS

Integer Overflow

Enumeração de Fraquezas

CWE-190

Identificadores relacionados

ALT-PU-2017-1854

ALT-PU-2018-1991

CVE-2017-18257

DSA-4188-1

OPENSUSE-SU-2018_1418-1

SUSE-SU-2018:1048-1

SUSE-SU-2018:1173-1

SUSE-SU-2018:1173-2

SUSE-SU-2018:1217-1

SUSE-SU-2018_1048-1

USN-3696-1

USN-3696-2

Produtos afetados

Alt Linux

Linux Kernel

Suse

Ubuntu

Referências · 151

• https://github.com/torvalds/linux/commit/b86e33075ed1909d8002745b56ecf73b833db143 · Correção
• https://bugzilla.suse.com/1064206 · Nota
• https://suse.com/security/cve/CVE-2018-8897 · Nota
• https://bugzilla.suse.com/812592 · Nota
• https://bugzilla.suse.com/1088087 · Nota
• https://bugzilla.suse.com/1088241 · Nota
• https://ubuntu.com/security/notices/USN-3696-1 · Aviso do Fabricante
• https://bugzilla.suse.com/1087845 · Nota
• https://bugzilla.suse.com/1088324 · Nota
• https://bugzilla.suse.com/1084610 · Nota
• https://bugzilla.suse.com/1088684 · Nota
• https://suse.com/security/cve/CVE-2018-8043 · Nota
• https://ubuntu.com/security/CVE-2017-18257 · Aviso do Fabricante
• https://bugzilla.suse.com/880131 · Nota
• https://bugzilla.suse.com/1088871 · Nota