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 | — | Upgrade linux | May 2, 2018 | Mar 11, 2018 |
| Suse | — | Upgrade kernel-devel-azureUpgrade kernel-azure-baseUpgrade ocfs2-kmp-defaultUpgrade kernel-source-azureUpgrade gfs2-kmp-defaultUpgrade kernel-docsUpgrade kernel-default-extraUpgrade dlm-kmp-defaultUpgrade kernel-default-manUpgrade kernel-defaultUpgrade cluster-md-kmp-defaultUpgrade kernel-obs-build | Nov 8, 2018 | Mar 11, 2018 |
| Ubuntu | — | Upgrade linux-hweUpgrade linux-gcpUpgrade linux-hwe-edgeUpgrade linux-azure | Nov 19, 2024 | Mar 12, 2018 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Mar 12, 2018 |
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