What’s Vulnerable › Vulnerabilities
CVE-2009-0834
- Severity: low (CVSS 3.6 v2.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2009-03-06 · updated 2026-06-16
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.
Affected products
- Canonical Ubuntu Linux: 7.10, 8.04, 8.10
- Debian Linux: 4.0, 5.0
- Linux kernel: through 2.6.28.7
- Opensuse: 10.3, 11.0
- RedHat Enterprise Linux Desktop: 4.0, 5.0
- RedHat Enterprise Linux Eus: 4.7, 5.3
- RedHat Enterprise Linux Server: 4.0, 5.0
- RedHat Enterprise Linux Server Aus: 5.3
- RedHat Enterprise Linux Workstation: 4.0, 5.0
- SUSE Linux Enterprise Server 15 SP1: 10-sp2
- SUSE Linux Enterprise Server: 10-sp2
- SUSE Linux Enterprise Software Development Kit: 10-sp2
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
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html
- http://marc.info/?l=linux-kernel&m=123579056530191&w=2
- http://marc.info/?l=linux-kernel&m=123579065130246&w=2
- http://marc.info/?l=oss-security&m=123597642832637&w=2
- http://rhn.redhat.com/errata/RHSA-2009-0459.html
- http://rhn.redhat.com/errata/RHSA-2009-0473.html
- http://scary.beasts.org/security/CESA-2009-001.html
- http://secunia.com/advisories/34084
- http://secunia.com/advisories/34917
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