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CVE-2012-4398

Status Candidate

Overview

The __request_module function in kernel/kmod.c in the Linux kernel before 3.4 does not set a certain killable attribute, which allows local users to cause a denial of service (memory consumption) via a crafted application.

Related Files

Red Hat Security Advisory 2013-1348-01
Posted Oct 1, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-1348-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. It was found that a deadlock could occur in the Out of Memory killer. A process could trigger this deadlock by consuming a large amount of memory, and then causing request_module() to be called. A local, unprivileged user could use this flaw to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, redhat
advisories | CVE-2012-4398
SHA-256 | d448f19336e43060f6ea012ad8b6ad5fc6b42872a884e53f7da36f8c5ae39de4
Red Hat Security Advisory 2013-0223-01
Posted Feb 5, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-0223-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. It was found that a deadlock could occur in the Out of Memory killer. A process could trigger this deadlock by consuming a large amount of memory, and then causing request_module() to be called. A local, unprivileged user could use this flaw to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, redhat
advisories | CVE-2012-4398, CVE-2012-4461, CVE-2012-4530
SHA-256 | 23104a0b9abf52386877248cf3fda61cea983577bc8d351a059a8b00c18b9e53
Red Hat Security Advisory 2012-1282-01
Posted Sep 20, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1282-01 - The kernel-rt packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issue: It was found that a deadlock could occur in the Out of Memory killer. A process could trigger this deadlock by consuming a large amount of memory, and then causing request_module() to be called. A local, unprivileged user could use this flaw to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, redhat
advisories | CVE-2012-4398
SHA-256 | 839d5afadf25d3eb111bf42adacbb33dc5c2c70530a84ebfb41f2a6d3fd044e4
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