CVE-2009-2911 Privilege escalation in n/a

Low 1.9 Published Updated

Local attackers can escalate privileges or cause denial of service via kernel stack overflows in SystemTap when the unprivileged option is enabled.

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-2009-2911?

CVE-2009-2911 is a low-severity vulnerability in n/a, published on 22 Oct 2009. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

SystemTap 1.0, when the --unprivileged option is used, does not properly restrict certain data sizes, which allows local users to (1) cause a denial of service or gain privileges via a print operation with a large number of arguments that trigger a kernel stack overflow, (2) cause a denial of service via crafted DWARF expressions that trigger a kernel stack frame overflow, or (3) cause a denial of service (infinite loop) via vectors that trigger creation of large unwind tables, related to Common Information Entry (CIE) and Call Frame Instruction (CFI) records.

Weakness: CWE-264

Which versions are affected by CVE-2009-2911?

It affects 1 product.

Products include Systemtap Systemtap.

How do I fix CVE-2009-2911?

Apply the vendor's patch.

Is CVE-2009-2911 being exploited?

There is no known exploitation of CVE-2009-2911 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2009-2911, GHSA-pq5x-qrx9-87q4.

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