Ubuntu 12.04 LTS : linux vulnerabilities (USN-2678-1)
high Nessus Plugin ID 84980
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Synopsis
The remote Ubuntu host is missing one or more security-related patches.Description
A flaw was discovered in the user space memory copying for the pipe iovecs in the Linux kernel. An unprivileged local user could exploit this flaw to cause a denial of service (system crash) or potentially escalate their privileges. (CVE-2015-1805)Daniel Borkmann reported a kernel crash in the Linux kernel's BPF filter JIT optimization. A local attacker could exploit this flaw to cause a denial of service (system crash). (CVE-2015-4700).
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 packages.See Also
Plugin Details
Severity: High
ID: 84980
File Name: ubuntu_USN-2678-1.nasl
Version: 2.15
Type: local
Agent: unix
Family: Ubuntu Local Security Checks
Published: 7/24/2015
Updated: 1/19/2021
Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent
Risk Information
VPR
Risk Factor: Critical
Score: 9.5
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 6.3
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Temporal Vector: E:H/RL:OF/RC:C
Vulnerability Information
CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-3.2-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.2-generic-pae, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.2-highbank, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.2-virtual, cpe:/o:canonical:ubuntu_linux:12.04:-:lts
Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 7/23/2015
Vulnerability Publication Date: 8/8/2015
Reference Information
CVE: CVE-2015-1805, CVE-2015-4700
BID: 74951
USN: 2678-1