CVE-2015-1573 Denial of service in n/a
Local users with CAP_NET_ADMIN can cause a kernel panic via netfilter table flushes, requiring a kernel patch.
- 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-2015-1573?
CVE-2015-1573 is a medium-severity denial of service vulnerability in Linux kernel, published on 2 May 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The nft_flush_table function in net/netfilter/nf_tables_api.c in the Linux kernel before 3.18.5 mishandles the interaction between cross-chain jumps and ruleset flushes, which allows local users to cause a denial of service (panic) by leveraging the CAP_NET_ADMIN capability.
Weakness: CWE-19
Which versions are affected by CVE-2015-1573?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2015-1573?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2015-1573 being exploited?
There is no known exploitation of CVE-2015-1573 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-395m-2555-53cr.