PT-2012-1560 · Linux+1 · Linux Kernel+1

Arun Sharma · Publicado 2011-10-05 · Atualizado 2023-02-13 · CVE-2011-2521

Positive Technologies (AI Summary)

CVSS v2.0

4.9

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 2.6.39

Description The issue is related to the x86 assign hw event function in the Performance Events subsystem, which does not properly calculate counter values. This allows local users to cause a denial of service, resulting in a system panic, via the perf program.

Recommendations For versions prior to 2.6.39, update to version 2.6.39 or later to resolve the issue.

Correção

DoS

Enumeração de Fraquezas

CWE-189

Identificadores relacionados

CVE-2011-2521

RHSA-2011:1350

RHSA-2011_1350

Produtos afetados

Linux Kernel

Red Hat

Referências · 7

• https://github.com/torvalds/linux/commit/fc66c5210ec2539e800e87d7b3a985323c7be96e · Correção
• http://openwall.com/lists/oss-security/2011/07/06/4 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2011-2521 · Nota de Segurança
• https://bugzilla.redhat.com/show_bug.cgi?id=719228 · Nota
• http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 · Nota
• https://linux.oracle.com/errata/ELSA-2011-1350.html · Aviso do Fabricante
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fc66c5210ec2539e800e87d7b3a985323c7be96e · Nota