CVE-2017-18224

In the Linux kernel before 4.15, fs/ocfs2/aops.c omits use of a semaphore and consequently has a race condition for access to the extent tree during read operations in DIRECT mode, which allows local users to cause a denial of service (BUG) by modifying a certain e_cpos field.

Score

CVSS 3.0 4.7 Medium

Status

Modified - cve@mitre.org

Published

2018-03-12

Last modified

2024-08-05

Weaknesses

CWE-362

Affected products

• Linux Kernel (Linux)

References

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3e4c56d41eef5595035872a2ec5a483f42e8917f
• http://www.securityfocus.com/bid/103353
• https://github.com/torvalds/linux/commit/3e4c56d41eef5595035872a2ec5a483f42e8917f
• https://www.debian.org/security/2018/dsa-4188