CVE-2019-9003 Use after free in n/a

What is CVE-2019-9003?

CVE-2019-9003 is a high-severity use after free vulnerability in Canonical Ubuntu Linux, published on 22 Feb 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In the Linux kernel before 4.20.5, attackers can trigger a drivers/char/ipmi/ipmi_msghandler.c use-after-free and OOPS by arranging for certain simultaneous execution of the code, as demonstrated by a "service ipmievd restart" loop.

Weakness: CWE-416

Which versions are affected by CVE-2019-9003?

It affects 7 products.

Products include Canonical Ubuntu Linux, Linux kernel, Netapp Cn1610 Firmware, Netapp Hci Management Node, Netapp Snapprotect, Netapp Solidfire and 1 more.

How do I fix CVE-2019-9003?

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-2019-9003 being exploited?

There is no known exploitation of CVE-2019-9003 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-2019-9003, GHSA-9pwg-j47x-j9gj, UBUNTU-CVE-2019-9003.