Description
The do_sigaltstack function in kernel/signal.c in Linux kernel 2.4 through 2.4.37 and 2.6 before 2.6.31-rc5, when running on 64-bit systems, does not clear certain padding bytes from a structure, which allows local users to obtain sensitive information from the kernel stack via the sigaltstack function.
Published: 2009-08-18
Score: 4.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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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-1872-1 New Linux 2.6.18 packages fix several vulnerabilities
Debian DSA Debian DSA DSA-1928-1 New Linux 2.6.24 packages fix several vulnerabilities
EUVD EUVD EUVD-2009-2837 The do_sigaltstack function in kernel/signal.c in Linux kernel 2.4 through 2.4.37 and 2.6 before 2.6.31-rc5, when running on 64-bit systems, does not clear certain padding bytes from a structure, which allows local users to obtain sensitive information from the kernel stack via the sigaltstack function.
Ubuntu USN Ubuntu USN USN-852-1 Linux kernel vulnerabilities
History

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Subscriptions

Linux Kernel Linux Linux Kernel
Redhat Enterprise Linux Enterprise Mrg Rhel Eus
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-07T06:07:36.606Z

Reserved: 2009-08-18T00:00:00.000Z

Link: CVE-2009-2847

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2009-08-18T21:00:00.377

Modified: 2026-04-23T00:35:47.467

Link: CVE-2009-2847

cve-icon Redhat

Severity : Moderate

Publid Date: 2009-07-31T00:00:00Z

Links: CVE-2009-2847 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses