CVE-2009-0834 Security feature bypass in n/a

What is CVE-2009-0834?

CVE-2009-0834 is a low-severity vulnerability in Canonical Ubuntu Linux, published on 6 Mar 2009. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Which versions are affected by CVE-2009-0834?

It affects 12 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Opensuse Opensuse, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus and 6 more.

How do I fix CVE-2009-0834?

Apply the vendor's patch.

Is CVE-2009-0834 being exploited?

There is no known exploitation of CVE-2009-0834 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-3cv7-5j4c-h696.