Detections
Analytics
Oracle Linux 5 / 6 : Unbreakable Enterprise kernel Security (ELSA-2012-2026)
medium Nessus Plugin ID 68679
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Synopsis
The remote Oracle Linux host is missing one or more security updates.Description
The remote Oracle Linux 5 / 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2012-2026 advisory.- The epoll implementation in the Linux kernel 2.6.37.2 and earlier does not properly traverse a tree of epoll file descriptors, which allows local users to cause a denial of service (CPU consumption) via a crafted application that makes epoll_create and epoll_ctl system calls. (CVE-2011-1083)
- The copy_creds function in kernel/cred.c in the Linux kernel before 3.3.2 provides an invalid replacement session keyring to a child process, which allows local users to cause a denial of service (panic) via a crafted application that uses the fork system call. (CVE-2012-2745)
- The epoll_ctl system call in fs/eventpoll.c in the Linux kernel before 3.2.24 does not properly handle ELOOP errors in EPOLL_CTL_ADD operations, which allows local users to cause a denial of service (file- descriptor consumption and system crash) via a crafted application that attempts to create a circular epoll dependency. NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-1083.
(CVE-2012-3375)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
Plugin Details
Severity: Medium
ID: 68679
File Name: oraclelinux_ELSA-2012-2026.nasl
Version: 1.16
Type: local
Agent: unix
Published: 7/12/2013
Updated: 9/8/2021
Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 4.9
Temporal Score: 3.8
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2012-3375
Vulnerability Information
CPE: p-cpe:/a:oracle:linux:kernel-uek-headers, p-cpe:/a:oracle:linux:mlnx_en-2.6.32-300.29.2.el6uek, cpe:/o:oracle:linux:5, p-cpe:/a:oracle:linux:ofa-2.6.32-300.29.2.el6uekdebug, p-cpe:/a:oracle:linux:mlnx_en-2.6.32-300.29.2.el5uekdebug, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:ofa-2.6.32-300.29.2.el5uekdebug, p-cpe:/a:oracle:linux:mlnx_en-2.6.32-300.29.2.el6uekdebug, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:mlnx_en-2.6.32-300.29.2.el5uek, p-cpe:/a:oracle:linux:ofa-2.6.32-300.29.2.el6uek, p-cpe:/a:oracle:linux:kernel-uek-firmware, p-cpe:/a:oracle:linux:ofa-2.6.32-300.29.2.el5uek, p-cpe:/a:oracle:linux:kernel-uek, cpe:/o:oracle:linux:6
Required KB Items: Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 7/17/2012
Vulnerability Publication Date: 3/2/2011