GSD-2021-1000916 net: rds: fix memory leak in rds_recvmsg

Not scored Published

A memory leak in the Linux Kernel RDS module allows remote attackers to cause a denial of service by exhausting system memory.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is GSD-2021-1000916?

GSD-2021-1000916 is a denial of service vulnerability in Kernel, published on 30 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

net: rds: fix memory leak in rds_recvmsg

This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.128 by commit 2038cd15eacdf7512755c27686822e0052eb9042, it was introduced in version v2.6.30 by commit bdbe6fbc6a2f2ccfb384b141b257677d2a8d36fb. For more details please see the references link.

Which versions are affected by GSD-2021-1000916?

1 open source package ship an affected version, including Kernel.

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2021-1000916?

No fix has been published for GSD-2021-1000916 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is GSD-2021-1000916 being exploited?

There is no known exploitation of GSD-2021-1000916 in the wild and no public exploit code.

Sources

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