CVE-2009-0834
The audit_syscall_entry function in the Linux kernel 2.6.28.7 and earlier on the x86_64 platform does not properly handle (1) a 32-bit process making a 64-bit syscall or (2) a 64-bit process making a 32-bit syscall, which allows local users to bypass certain syscall audit configurations via crafted syscalls, a related issue to CVE-2009-0342 and CVE-2009-0343.
Key facts
- CVSS score
- 3.6 (v2.0)
- Severity
- LOW
- CVSS vector
AV:L/AC:L/Au:N/C:P/I:P/A:N- EPSS score
- 0.4% (37th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-0831)
- Published
- March 6, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-0831 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- debian / debian linux
- debian / debian linux
- linux / linux kernel
- opensuse / opensuse
- opensuse / opensuse
- redhat / enterprise linux desktop
- redhat / enterprise linux desktop
- redhat / enterprise linux eus
- redhat / enterprise linux eus
- redhat / enterprise linux server
- redhat / enterprise linux server
- redhat / enterprise linux server aus
- redhat / enterprise linux workstation
- redhat / enterprise linux workstation
- suse / linux enterprise desktop
- suse / linux enterprise server
- suse / linux enterprise software development kit
Certified products that may be affected
2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Red Hat Enterprise Linux 5 OpenSSH-Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 1384 - historical
- Red Hat Enterprise Linux AS, Version 4 Update 4 - Red Hat, Inc. - Common Criteria CCEVS-VR-0035-2006 - archived
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ccbe495caa5e604b04d5a31d7459a6f6a76a756c
- http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.html(Mailing List, Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html(Mailing List, Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html(Mailing List, Third Party Advisory)
- http://marc.info/?l=linux-kernel&m=123579056530191&w=2(Third Party Advisory)
- http://marc.info/?l=linux-kernel&m=123579065130246&w=2(Third Party Advisory)
- http://marc.info/?l=oss-security&m=123597642832637&w=2(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2009-0459.html(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2009-0473.html(Third Party Advisory)
- http://scary.beasts.org/security/CESA-2009-001.html(Third Party Advisory)
- http://secunia.com/advisories/34084(Third Party Advisory)
- http://secunia.com/advisories/34917(Third Party Advisory)
- http://secunia.com/advisories/34962(Third Party Advisory)
- http://secunia.com/advisories/34981(Third Party Advisory)
- http://secunia.com/advisories/35011(Third Party Advisory)
- http://secunia.com/advisories/35015(Third Party Advisory)
- http://secunia.com/advisories/35120(Third Party Advisory)
- http://secunia.com/advisories/35121(Third Party Advisory)
- http://secunia.com/advisories/35185(Third Party Advisory)
- http://secunia.com/advisories/35390(Third Party Advisory)
- http://secunia.com/advisories/35394(Third Party Advisory)
- http://secunia.com/advisories/37471(Third Party Advisory)
- http://wiki.rpath.com/Advisories:rPSA-2009-0084(Broken Link)
- http://www.debian.org/security/2009/dsa-1787(Third Party Advisory)
- http://www.debian.org/security/2009/dsa-1794(Third Party Advisory)
- http://www.debian.org/security/2009/dsa-1800(Third Party Advisory)
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:118(Third Party Advisory)
- http://www.redhat.com/support/errata/RHSA-2009-0451.html(Third Party Advisory)
- http://www.securityfocus.com/archive/1/503610/100/0/threaded(Third Party Advisory, VDB Entry)
- http://www.securityfocus.com/archive/1/507985/100/0/threaded(Third Party Advisory, VDB Entry)
- http://www.securityfocus.com/bid/33951(Third Party Advisory, VDB Entry)
- http://www.securitytracker.com/id?1022153(Third Party Advisory, VDB Entry)
- http://www.ubuntu.com/usn/usn-751-1(Third Party Advisory)
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html(Third Party Advisory)
- http://www.vupen.com/english/advisories/2009/3316(Third Party Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=487990(Issue Tracking, Patch, Third Party Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49061(Third Party Advisory, VDB Entry)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8508(Third Party Advisory)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9600(Third Party Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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