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 Details
- CVSS 3.1 Base Score: 4.7
- CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | debian-upgrade-linux | May 2, 2018 | Mar 11, 2018 | |
| Suse | — | suse-upgrade-cluster-md-kmp-defaultsuse-upgrade-dlm-kmp-defaultsuse-upgrade-gfs2-kmp-defaultsuse-upgrade-kernel-azure-basesuse-upgrade-kernel-defaultsuse-upgrade-kernel-default-extrasuse-upgrade-kernel-default-mansuse-upgrade-kernel-devel-azuresuse-upgrade-kernel-docssuse-upgrade-kernel-obs-buildsuse-upgrade-kernel-source-azuresuse-upgrade-ocfs2-kmp-default | Nov 8, 2018 | Mar 11, 2018 |
| Ubuntu | ubuntu-upgrade-linux-azureubuntu-upgrade-linux-gcpubuntu-upgrade-linux-hweubuntu-upgrade-linux-hwe-edge | Nov 19, 2024 | Mar 12, 2018 | |
| Vmware Photon_os | vmware-photon_os_update_tdnf | Jan 20, 2025 | Mar 12, 2018 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub