Description
The IA32 system call emulation functionality in Linux kernel 2.4.x and 2.6.x before 2.6.22.7, when running on the x86_64 architecture, does not zero extend the eax register after the 32bit entry path to ptrace is used, which might allow local users to gain privileges by triggering an out-of-bounds access to the system call table using the %RAX register.
Published: 2007-09-24
Score: 7.2 High
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-1378-1 New Linux 2.6.18 packages fix several vulnerabilities
Debian DSA Debian DSA DSA-1378-2 New Linux 2.6.18 packages fix several vulnerabilities
Debian DSA Debian DSA DSA-1381-1 New Linux 2.6.18 packages fix several vulnerabilities
Debian DSA Debian DSA DSA-1381-2 New Linux 2.6.18 packages fix several vulnerabilities
Debian DSA Debian DSA DSA-1504-1 New Linux kernel 2.6.8 packages fix several issues
EUVD EUVD EUVD-2007-4555 The IA32 system call emulation functionality in Linux kernel 2.4.x and 2.6.x before 2.6.22.7, when running on the x86_64 architecture, does not zero extend the eax register after the 32bit entry path to ptrace is used, which might allow local users to gain privileges by triggering an out-of-bounds access to the system call table using the %RAX register.
Ubuntu USN Ubuntu USN USN-518-1 linux-source-2.6.15, linux-source-2.6.17, linux-source-2.6.20 vulnerabilities
References
Link Providers
http://fedoranews.org/updates/FEDORA-2007-229.shtml cve-icon cve-icon
http://kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.35.3 cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2007-12/msg00001.html cve-icon cve-icon
http://lkml.org/lkml/2007/9/21/512 cve-icon cve-icon
http://lkml.org/lkml/2007/9/21/513 cve-icon cve-icon
http://marc.info/?l=full-disclosure&m=119062587407908&w=2 cve-icon cve-icon
http://secunia.com/advisories/26917 cve-icon cve-icon
http://secunia.com/advisories/26919 cve-icon cve-icon
http://secunia.com/advisories/26934 cve-icon cve-icon
http://secunia.com/advisories/26953 cve-icon cve-icon
http://secunia.com/advisories/26955 cve-icon cve-icon
http://secunia.com/advisories/26978 cve-icon cve-icon
http://secunia.com/advisories/26994 cve-icon cve-icon
http://secunia.com/advisories/26995 cve-icon cve-icon
http://secunia.com/advisories/27212 cve-icon cve-icon
http://secunia.com/advisories/27227 cve-icon cve-icon
http://secunia.com/advisories/27912 cve-icon cve-icon
http://secunia.com/advisories/29058 cve-icon cve-icon
http://securitytracker.com/id?1018748 cve-icon cve-icon
http://www.debian.org/security/2007/dsa-1378 cve-icon cve-icon
http://www.debian.org/security/2007/dsa-1381 cve-icon cve-icon
http://www.debian.org/security/2008/dsa-1504 cve-icon cve-icon
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22.7 cve-icon cve-icon
http://www.mandriva.com/security/advisories?name=MDKSA-2007:195 cve-icon cve-icon
http://www.mandriva.com/security/advisories?name=MDKSA-2007:196 cve-icon cve-icon
http://www.mandriva.com/security/advisories?name=MDVSA-2008:008 cve-icon cve-icon
http://www.mandriva.com/security/advisories?name=MDVSA-2008:105 cve-icon cve-icon
http://www.novell.com/linux/security/advisories/2007_53_kernel.html cve-icon cve-icon
http://www.redhat.com/support/errata/RHSA-2007-0936.html cve-icon cve-icon
http://www.redhat.com/support/errata/RHSA-2007-0937.html cve-icon cve-icon
http://www.redhat.com/support/errata/RHSA-2007-0938.html cve-icon cve-icon
http://www.securityfocus.com/archive/1/480451/100/0/threaded cve-icon cve-icon
http://www.securityfocus.com/archive/1/480705/100/0/threaded cve-icon cve-icon
http://www.securityfocus.com/bid/25774 cve-icon cve-icon
http://www.ubuntu.com/usn/usn-518-1 cve-icon cve-icon
http://www.vupen.com/english/advisories/2007/3246 cve-icon cve-icon
https://issues.rpath.com/browse/RPL-1754 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2007-4573 cve-icon
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9735 cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2007-4573 cve-icon
https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00355.html cve-icon cve-icon
History

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Subscriptions

Linux Linux Kernel
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-07T15:01:09.784Z

Reserved: 2007-08-28T00:00:00.000Z

Link: CVE-2007-4573

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2007-09-24T22:17:00.000

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

Link: CVE-2007-4573

cve-icon Redhat

Severity : Important

Publid Date: 2007-09-21T00:00:00Z

Links: CVE-2007-4573 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses