CVE-2010-3301 Privilege escalation in n/a
Local attackers can gain privileges by exploiting a regression in IA32 system call emulation that fails to zero-extend the %eax register.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2010-3301?
CVE-2010-3301 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 22 Sep 2010. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The IA32 system call emulation functionality in arch/x86/ia32/ia32entry.S in the Linux kernel before 2.6.36-rc4-git2 on the x86_64 platform does not zero extend the %eax register after the 32-bit entry path to ptrace is used, which allows local users to gain privileges by triggering an out-of-bounds access to the system call table using the %rax register. NOTE: this vulnerability exists because of a CVE-2007-4573 regression.
Weakness: CWE-269
Which versions are affected by CVE-2010-3301?
It affects 3 products.
Products include Canonical Ubuntu Linux, Linux kernel, Suse Linux Enterprise Real Time Extension.
How do I fix CVE-2010-3301?
Apply the vendor's patch.
Is CVE-2010-3301 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2010-3301 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as GHSA-79mw-6jhw-7997.