Oracle Linux 5 / 6 : unbreakable enterprise kernel (ELSA-2014-3053)
medium Nessus Plugin ID 76927
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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-2014-3053 advisory.- The n_tty_write function in drivers/tty/n_tty.c in the Linux kernel through 3.14.3 does not properly manage tty driver access in the LECHO & !OPOST case, which allows local users to cause a denial of service (memory corruption and system crash) or gain privileges by triggering a race condition involving read and write operations with long strings. (CVE-2014-0196)
- The (1) BPF_S_ANC_NLATTR and (2) BPF_S_ANC_NLATTR_NEST extension implementations in the sk_run_filter function in net/core/filter.c in the Linux kernel through 3.14.3 do not check whether a certain length value is sufficiently large, which allows local users to cause a denial of service (integer underflow and system crash) via crafted BPF instructions. NOTE: the affected code was moved to the __skb_get_nlattr and
__skb_get_nlattr_nest functions before the vulnerability was announced. (CVE-2014-3144)
- The BPF_S_ANC_NLATTR_NEST extension implementation in the sk_run_filter function in net/core/filter.c in the Linux kernel through 3.14.3 uses the reverse order in a certain subtraction, which allows local users to cause a denial of service (over-read and system crash) via crafted BPF instructions. NOTE: the affected code was moved to the __skb_get_nlattr_nest function before the vulnerability was announced.
(CVE-2014-3145)
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: 76927
File Name: oraclelinux_ELSA-2014-3053.nasl
Version: 1.18
Type: local
Agent: unix
Published: 7/31/2014
Updated: 9/8/2021
Dependencies: linux_alt_patch_detect.nasl, ssh_get_info.nasl
Risk Information
CVSS Score Source: CVE-2014-0196
VPR
Risk Factor: Critical
Score: 9.6
CVSS v2
Risk Factor: Medium
Base Score: 6.9
Temporal Score: 5.4
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C
Temporal Vector: E:POC/RL:OF/RC:C
Vulnerability Information
CPE: cpe:/o:oracle:linux:5, cpe:/o:oracle:linux:6, p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-firmware
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: 7/29/2014
Vulnerability Publication Date: 5/7/2014
Exploitable With
CANVAS (CANVAS)
Core Impact