CVE-2009-0834
UnknownEPSS 0.44%
Last modified
CVE-2009-0834 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.44% chance of exploitation in the next 30 days.
Description
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.
Metrics
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | <= 2.6.28.7 | — |
| Debian | Debian Linux | 4.0 | — |
| Debian | Debian Linux | 5.0 | — |
| Canonical | Ubuntu Linux | 7.10 | — |
| Canonical | Ubuntu Linux | 8.04 | — |
| Canonical | Ubuntu Linux | 8.10 | — |
| Redhat | Enterprise Linux Desktop | 4.0 | — |
| Redhat | Enterprise Linux Desktop | 5.0 | — |
| Redhat | Enterprise Linux Eus | 4.7 | — |
| Redhat | Enterprise Linux Eus | 5.3 | — |
| Redhat | Enterprise Linux Server | 4.0 | — |
| Redhat | Enterprise Linux Server | 5.0 | — |
| Redhat | Enterprise Linux Server Aus | 5.3 | — |
| Redhat | Enterprise Linux Workstation | 4.0 | — |
| Redhat | Enterprise Linux Workstation | 5.0 | — |
| Opensuse | Opensuse | 10.3 | — |
| Opensuse | Opensuse | 11.0 | — |
| Suse | Linux Enterprise Desktop | 10 | Sp2 |
| Suse | Linux Enterprise Server | 10 | Sp2 |
| Suse | Linux Enterprise Software Development Kit | 10 | Sp2 |
References
- http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.htmlMailing List, Third Party Advisory
- http://marc.info/?l=linux-kernel&m=123579056530191&w=2Third Party Advisory
- http://marc.info/?l=linux-kernel&m=123579065130246&w=2Third Party Advisory
- http://marc.info/?l=oss-security&m=123597642832637&w=2Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2009-0459.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2009-0473.htmlThird Party Advisory
- http://scary.beasts.org/security/CESA-2009-001.htmlThird Party Advisory
- http://secunia.com/advisories/34084Third Party Advisory
- http://secunia.com/advisories/34917Third Party Advisory
- http://secunia.com/advisories/34962Third Party Advisory
- http://secunia.com/advisories/34981Third Party Advisory
- http://secunia.com/advisories/35011Third Party Advisory
- http://secunia.com/advisories/35015Third Party Advisory
- http://secunia.com/advisories/35120Third Party Advisory
- http://secunia.com/advisories/35121Third Party Advisory
- http://secunia.com/advisories/35185Third Party Advisory
- http://secunia.com/advisories/35390Third Party Advisory
- http://secunia.com/advisories/35394Third Party Advisory
- http://secunia.com/advisories/37471Third Party Advisory
- http://www.debian.org/security/2009/dsa-1787Third Party Advisory
- http://www.debian.org/security/2009/dsa-1794Third Party Advisory
- http://www.debian.org/security/2009/dsa-1800Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:118Third Party Advisory
- http://www.redhat.com/support/errata/RHSA-2009-0451.htmlThird Party Advisory
- http://www.securityfocus.com/archive/1/503610/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/archive/1/507985/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/33951Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1022153Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/usn-751-1Third Party Advisory
- http://www.vmware.com/security/advisories/VMSA-2009-0016.htmlThird Party Advisory
- http://www.vupen.com/english/advisories/2009/3316Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=487990Issue Tracking, Patch, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49061Third Party Advisory, VDB Entry
- http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.htmlMailing List, Third Party Advisory
- http://marc.info/?l=linux-kernel&m=123579056530191&w=2Third Party Advisory
- http://marc.info/?l=linux-kernel&m=123579065130246&w=2Third Party Advisory
- http://marc.info/?l=oss-security&m=123597642832637&w=2Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2009-0459.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2009-0473.htmlThird Party Advisory
- http://scary.beasts.org/security/CESA-2009-001.htmlThird Party Advisory
- http://secunia.com/advisories/34084Third Party Advisory
- http://secunia.com/advisories/34917Third Party Advisory
- http://secunia.com/advisories/34962Third Party Advisory
- http://secunia.com/advisories/34981Third Party Advisory
- http://secunia.com/advisories/35011Third Party Advisory
- http://secunia.com/advisories/35015Third Party Advisory
- http://secunia.com/advisories/35120Third Party Advisory
- http://secunia.com/advisories/35121Third Party Advisory
- http://secunia.com/advisories/35185Third Party Advisory
- http://secunia.com/advisories/35390Third Party Advisory
- http://secunia.com/advisories/35394Third Party Advisory
- http://secunia.com/advisories/37471Third Party Advisory
- http://www.debian.org/security/2009/dsa-1787Third Party Advisory
- http://www.debian.org/security/2009/dsa-1794Third Party Advisory
- http://www.debian.org/security/2009/dsa-1800Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:118Third Party Advisory
- http://www.redhat.com/support/errata/RHSA-2009-0451.htmlThird Party Advisory
- http://www.securityfocus.com/archive/1/503610/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/archive/1/507985/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/33951Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1022153Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/usn-751-1Third Party Advisory
- http://www.vmware.com/security/advisories/VMSA-2009-0016.htmlThird Party Advisory
- http://www.vupen.com/english/advisories/2009/3316Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=487990Issue Tracking, Patch, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49061Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2009-0834?
Severity scoring for CVE-2009-0834 is pending analysis. The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.
How do I fix CVE-2009-0834?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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