Ubuntu 14.10 : linux vulnerabilities (USN-2468-1)
medium Nessus Plugin ID 80515
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Synopsis
The remote Ubuntu host is missing one or more security-related patches.Description
A NULL pointer dereference flaw was discovered in the the Linux kernel's SCTP implementation when ASCONF is used. A remote attacker could exploit this flaw to cause a denial of service (system crash) via a malformed INIT chunk. (CVE-2014-7841)A race condition with MMIO and PIO transactions in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel was discovered. A guest OS user could exploit this flaw to cause a denial of service (guest OS crash) via a specially crafted application. (CVE-2014-7842)
Milos Prchlik reported a flaw in how the ARM64 platform handles a single byte overflow in __clear_user. A local user could exploit this flaw to cause a denial of service (system crash) by reading one byte beyond a /dev/zero page boundary. (CVE-2014-7843)
A stack buffer overflow was discovered in the ioctl command handling for the Technotrend/Hauppauge USB DEC devices driver. A local user could exploit this flaw to cause a denial of service (system crash) or possibly gain privileges. (CVE-2014-8884).
Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
Solution
Update the affected linux-image-3.16-generic, linux-image-3.16-generic-lpae and / or linux-image-3.16-lowlatency packages.See Also
Plugin Details
Severity: Medium
ID: 80515
File Name: ubuntu_USN-2468-1.nasl
Version: 1.12
Type: local
Agent: unix
Family: Ubuntu Local Security Checks
Published: 1/14/2015
Updated: 1/19/2021
Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl
Risk Information
VPR
Risk Factor: Medium
Score: 5.8
CVSS v2
Risk Factor: Medium
Base Score: 6.1
Temporal Score: 4.5
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:C
Temporal Vector: E:U/RL:OF/RC:C
Vulnerability Information
CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.16-lowlatency, cpe:/o:canonical:ubuntu_linux:14.10
Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l
Exploit Ease: No known exploits are available
Patch Publication Date: 1/13/2015
Vulnerability Publication Date: 11/29/2014
Reference Information
CVE: CVE-2014-7841, CVE-2014-7842, CVE-2014-7843, CVE-2014-8884
USN: 2468-1