Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.15 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3e4c56PatchVendor Advisory
- http://www.securityfocus.com/bid/103353Third Party AdvisoryVDB Entry
- https://github.com/torvalds/linux/commit/3e4c56d41eef5595035872a2ec5a483f42e8917PatchThird Party Advisory
- https://www.debian.org/security/2018/dsa-4188
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3e4c56PatchVendor Advisory
- http://www.securityfocus.com/bid/103353Third Party AdvisoryVDB Entry
- https://github.com/torvalds/linux/commit/3e4c56d41eef5595035872a2ec5a483f42e8917PatchThird Party Advisory
- https://www.debian.org/security/2018/dsa-4188
FAQ
What is CVE-2017-18224?
CVE-2017-18224 is a vulnerability with a CVSS score of 4.7 (MEDIUM). 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 ...
How severe is CVE-2017-18224?
CVE-2017-18224 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-18224?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.