CVE-2007-4573
HIGH · CVSS 7.2EPSS 0.8%EU EUVD
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.
Key facts
- CVSS score
- 7.2 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:L/AC:L/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-264
- EPSS score
- 0.8% (57th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2007-4555)
- Published
- September 24, 2007
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2007-4555 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- linux / linux kernel
References
- http://fedoranews.org/updates/FEDORA-2007-229.shtml
- http://kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.35.3
- http://lists.opensuse.org/opensuse-security-announce/2007-12/msg00001.html
- http://lkml.org/lkml/2007/9/21/512(Patch)
- http://lkml.org/lkml/2007/9/21/513
- http://marc.info/?l=full-disclosure&m=119062587407908&w=2
- http://secunia.com/advisories/26917
- http://secunia.com/advisories/26919
- http://secunia.com/advisories/26934
- http://secunia.com/advisories/26953
- http://secunia.com/advisories/26955
- http://secunia.com/advisories/26978
- http://secunia.com/advisories/26994
- http://secunia.com/advisories/26995
- http://secunia.com/advisories/27212
- http://secunia.com/advisories/27227
- http://secunia.com/advisories/27912
- http://secunia.com/advisories/29058
- http://securitytracker.com/id?1018748
- http://www.debian.org/security/2007/dsa-1378
- http://www.debian.org/security/2007/dsa-1381
- http://www.debian.org/security/2008/dsa-1504
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22.7
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:195
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:196
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:008
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:105
- http://www.novell.com/linux/security/advisories/2007_53_kernel.html
- http://www.redhat.com/support/errata/RHSA-2007-0936.html
- http://www.redhat.com/support/errata/RHSA-2007-0937.html
- http://www.redhat.com/support/errata/RHSA-2007-0938.html
- http://www.securityfocus.com/archive/1/480451/100/0/threaded
- http://www.securityfocus.com/archive/1/480705/100/0/threaded
- http://www.securityfocus.com/bid/25774
- http://www.ubuntu.com/usn/usn-518-1
- http://www.vupen.com/english/advisories/2007/3246
- https://issues.rpath.com/browse/RPL-1754
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9735
- https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00355.html
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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