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CVE-2014-3534

7.2 · HIGH

arch/s390/kernel/ptrace.c in the Linux kernel before 3.15.8 on the s390 platform does not properly restrict address-space control operations in PTRACE_POKEUSR_AREA requests, which allows local user…

Published Aug 1, 2014linuxCWE-269EPSS 0.46%

Overview

CVE-2014-3534 is a high-severity vulnerability affecting linux linux_kernel. It was published on August 1, 2014 and has a CVSS 2.0 base score of 7.2 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

arch/s390/kernel/ptrace.c in the Linux kernel before 3.15.8 on the s390 platform does not properly restrict address-space control operations in PTRACE_POKEUSR_AREA requests, which allows local users to obtain read and write access to kernel memory locations, and consequently gain privileges, via a crafted application that makes a ptrace system call.

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_kernel>= 0, < 3.2.62Affected

References

Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=dab6cf55f81a6e16b8147aed9a843e1691dcd318Refsecunia.com/advisories/59790Refsecunia.com/advisories/60351Refwww.debian.org/security/2014/dsa-2992Refwww.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.8Refwww.osvdb.org/109546Refwww.securityfocus.com/bid/68940Refwww.securitytracker.com/id/1030683Refbugzilla.redhat.com/show_bug.cgi?id=1114089Refexchange.xforce.ibmcloud.com/vulnerabilities/95069

How CyberStrike helps

Frequently asked questions

What is CVE-2014-3534?

CVE-2014-3534 is a high-severity vulnerability affecting linux linux_kernel. It was published on August 1, 2014 and has a CVSS 2.0 base score of 7.2 (HIGH).

How severe is CVE-2014-3534?

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2014-3534?

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-2014-3534?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-3534 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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