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CVE-2015-1593

5.0 · MEDIUM

The stack randomization feature in the Linux kernel before 3.19.1 on 64-bit platforms uses incorrect data types for the results of bitwise left-shift operations, which makes it easier for attackers…

Published Mar 16, 2015linuxCWE-264EPSS 3.81%

Overview

CVE-2015-1593 is a medium-severity vulnerability affecting linux linux_kernel. It was published on March 16, 2015 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The stack randomization feature in the Linux kernel before 3.19.1 on 64-bit platforms uses incorrect data types for the results of bitwise left-shift operations, which makes it easier for attackers to bypass the ASLR protection mechanism by predicting the address of the top of the stack, related to the randomize_stack_top function in fs/binfmt_elf.c and the stack_maxrandom_size function in arch/x86/mm/mmap.c.

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
linuxlinux_kernel0Affected

References

Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4e7c22d447bb6d7e37bfe39ff658486ae78e8d77Refhmarco.org/bugs/linux-ASLR-integer-overflow.htmlReflists.opensuse.org/opensuse-security-announce/2015-04/msg00009.htmlReflists.opensuse.org/opensuse-security-announce/2015-04/msg00015.htmlRefrhn.redhat.com/errata/RHSA-2015-1137.htmlRefrhn.redhat.com/errata/RHSA-2015-1138.htmlRefrhn.redhat.com/errata/RHSA-2015-1221.htmlRefwww.debian.org/security/2015/dsa-3170Refwww.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.1Refwww.openwall.com/lists/oss-security/2015/02/13/13

How CyberStrike helps

Frequently asked questions

What is CVE-2015-1593?

CVE-2015-1593 is a medium-severity vulnerability affecting linux linux_kernel. It was published on March 16, 2015 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2015-1593?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-1593?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-1593?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-1593 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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