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CentOS Update for kernel CESA-2017:1484 centos7

Information

Severity

Severity

Medium

Family

Family

CentOS Local Security Checks

CVSSv2 Base

CVSSv2 Base

6.2

CVSSv2 Vector

CVSSv2 Vector

AV:L/AC:H/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

5 years ago

Modified

Modified

3 years ago

Summary

Check the version of kernel

Insight

Insight

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * A flaw was found in the way memory was being allocated on the stack for user space binaries. If heap (or different memory region) and stack memory regions were adjacent to each other, an attacker could use this flaw to jump over the stack guard gap, cause controlled memory corruption on process stack or the adjacent memory region, and thus increase their privileges on the system. This is a kernel-side mitigation which increases the stack guard gap size from one page to 1 MiB to make successful exploitation of this issue more difficult. (CVE-2017-1000364, Important) Red Hat would like to thank Qualys Research Labs for reporting this issue.

Affected Software

Affected Software

kernel on CentOS 7

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Please Install the Updated Packages.

Common Vulnerabilities and Exposures (CVE)