Overview
About vulnerability
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate
When doing cleanup, if flags without OCFS2_BH_READAHEAD, it may trigger NULL pointer dereference in the following ocfs2_set_buffer_uptodate() if bh is NULL.
Details
- Affected product:
- AlmaLinux 9.2 ESU , Oracle Linux 7 ELS , Ubuntu 16.04 ELS , Ubuntu 18.04 ELS
- Affected packages:
- linux-hwe @ 4.15.0 (+5 more)
In the Linux kernel, the following vulnerability has been resolved:
ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate
When doing cleanup, if flags without OCFS2_BH_READAHEAD, it may trigger NULL pointer dereference in the following ocfs2_set_buffer_uptodate() if bh is NULL.