Description
The flush_signal_handlers function in kernel/signal.c in the Linux kernel before 3.8.4 preserves the value of the sa_restorer field across an exec operation, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application containing a sigaction system call.
Published: 2013-03-22
Score: 3.6 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-2668-1 linux-2.6 security update
EUVD EUVD EUVD-2013-0925 The flush_signal_handlers function in kernel/signal.c in the Linux kernel before 3.8.4 preserves the value of the sa_restorer field across an exec operation, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application containing a sigaction system call.
Ubuntu USN Ubuntu USN USN-1787-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1788-1 Linux kernel (Oneiric backport) vulnerabilities
Ubuntu USN Ubuntu USN USN-1792-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1793-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1794-1 Linux kernel (OMAP4) vulnerabilities
Ubuntu USN Ubuntu USN USN-1795-1 Linux kernel (Quantal HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-1796-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-1797-1 Linux kernel (OMAP4) vulnerabilities
Ubuntu USN Ubuntu USN USN-1798-1 Linux kernel (EC2) vulnerabilities
History

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Linux Linux Kernel
Redhat Enterprise Linux Enterprise Mrg Openstack
cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2024-08-06T14:41:48.379Z

Reserved: 2013-01-07T00:00:00.000Z

Link: CVE-2013-0914

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2013-03-22T11:59:11.507

Modified: 2026-04-29T01:13:23.040

Link: CVE-2013-0914

cve-icon Redhat

Severity : Low

Publid Date: 2013-03-11T00:00:00Z

Links: CVE-2013-0914 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses