PT-2012-5481 · Linux+3 · Linux Kernel+3

Rodrigo Freire · Publicado 2012-10-31 · Atualizado 2023-02-13 · CVE-2012-4565

Positive Technologies (AI Summary)

CVSS v2.0

4.7

Média

Vetor base

AV:L/AC:M/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 3.4.19

Description The issue allows local users to cause a denial of service, resulting in a divide-by-zero error and OOPS, by reading TCP stats when the net.ipv4.tcp congestion control illinois setting is enabled.

Recommendations For Linux kernel versions prior to 3.4.19, update to version 3.4.19 or later to resolve the issue. As a temporary workaround, consider disabling the net.ipv4.tcp congestion control illinois setting to minimize the risk of exploitation.

Exploit

Correção

DoS

Enumeração de Fraquezas

CWE-189

Identificadores relacionados

CESA-2012_1580

CVE-2012-4565

RHSA-2012:1491

RHSA-2012:1580

RHSA-2012_1580

SUSE-SU-2015:0481-1

SUSE-SU-2015:0652-1

USN-1644-1

USN-1645-1

USN-1646-1

USN-1647-1

USN-1648-1

USN-1649-1

USN-1650-1

USN-1651-1

USN-1652-1

USN-1653-1

USN-1704-1

Produtos afetados

Centos

Linux Kernel

Red Hat

Suse

Referências · 42

• 🔥 https://github.com/torvalds/linux/commit/8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664 · Exploit
• 🔥 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664 · Exploit
• https://cve.org/CVERecord?id=CVE-2012-4565 · Nota de Segurança
• http://kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.19 · Nota
• https://ubuntu.com/security/notices/USN-1704-1 · Aviso do Fabricante
• https://ubuntu.com/security/notices/USN-1645-1 · Aviso do Fabricante
• https://osv.dev/vulnerability/UBUNTU-CVE-2012-4565 · Aviso do Fabricante
• https://ubuntu.com/security/notices/USN-1647-1 · Aviso do Fabricante
• https://ubuntu.com/security/notices/USN-1652-1 · Aviso do Fabricante
• http://openwall.com/lists/oss-security/2012/10/31/4 · Nota
• http://ubuntu.com/usn/USN-1650-1 · Aviso do Fabricante
• https://linux.oracle.com/errata/ELSA-2012-1580.html · Aviso do Fabricante
• http://ubuntu.com/usn/USN-1644-1 · Aviso do Fabricante
• http://ubuntu.com/usn/USN-1649-1 · Aviso do Fabricante
• http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html · Aviso do Fabricante