CVE-2017-18224 PUBLISHED

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.

EPSS 0.05% · 15.4th percentile

Risk Scores

EPSS Score
0.05%
15.4th percentile

Affected Products

VendorProductVersions
Ubuntu:16.04:LTSlinux-hwe4.13.0-45.50~16.04.1, 4.8.0-39.42~16.04.1, 4.8.0-41.44~16.04.1
Ubuntu:16.04:LTSlinux-azure4.11.0-1009.9, 4.11.0-1011.11, 4.11.0-1013.13
Ubuntu:16.04:LTSlinux-gcp4.10.0-1004.4, 4.10.0-1006.6, 4.10.0-1007.7

Timeline

References

Open in Interactive Console →