CVE-2015-7312 Race condition in n/a

What is CVE-2015-7312?

CVE-2015-7312 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 16 Nov 2015. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Multiple race conditions in the Advanced Union Filesystem (aufs) aufs3-mmap.patch and aufs4-mmap.patch patches for the Linux kernel 3.x and 4.x allow local users to cause a denial of service (use-after-free and BUG) or possibly gain privileges via a (1) madvise or (2) msync system call, related to mm/madvise.c and mm/msync.c.

Weakness: CWE-416, CWE-362

Which versions are affected by CVE-2015-7312?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel.

How do I fix CVE-2015-7312?

Apply the vendor's patch.

Is CVE-2015-7312 being exploited?

There is no known exploitation of CVE-2015-7312 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-2015-7312, GHSA-r639-jvf8-8gh8, UBUNTU-CVE-2015-7312.