CVE-2019-11815 Use after free in n/a

What is CVE-2019-11815?

CVE-2019-11815 is a high-severity use after free vulnerability in Canonical Ubuntu Linux, published on 8 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in rds_tcp_kill_sock in net/rds/tcp.c in the Linux kernel before 5.0.8. There is a race condition leading to a use-after-free, related to net namespace cleanup.

Weakness: CWE-416, CWE-362

Which versions are affected by CVE-2019-11815?

It affects 14 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Netapp Active Iq Unified Manager, Netapp Cn1610 Firmware, Netapp Hci Compute Node and 8 more.

How do I fix CVE-2019-11815?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2019-11815 being exploited?

There is no known exploitation of CVE-2019-11815 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 DEBIAN-CVE-2019-11815, GHSA-qw9v-6653-v66g, UBUNTU-CVE-2019-11815.