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.
References
Link | Resource |
---|---|
https://github.com/torvalds/linux/commit/3e4c56d41eef5595035872a2ec5a483f42e8917f | Patch Third Party Advisory |
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3e4c56d41eef5595035872a2ec5a483f42e8917f | Patch Vendor Advisory |
http://www.securityfocus.com/bid/103353 | Third Party Advisory VDB Entry |
https://www.debian.org/security/2018/dsa-4188 |
Configurations
Information
Published : 2018-03-11 20:29
Updated : 2018-05-02 18:29
NVD link : CVE-2017-18224
Mitre link : CVE-2017-18224
JSON object : View
CWE
CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Products Affected
linux
- linux_kernel