Kernel: race between task migrating pages and another task calling exit_mmap to release those same pages getting invalid opcode bug in include/linux/swapops.h
CVE-2023-4732
4.7MEDIUM
Key Information:
- Vendor
Red Hat
- Status
- Vendor
- CVE Published:
- 3 October 2023
What is CVE-2023-4732?
A flaw was found in pfn_swap_entry_to_page in memory management subsystem in the Linux Kernel. In this flaw, an attacker with a local user privilege may cause a denial of service problem due to a BUG statement referencing pmd_t x.
Affected Version(s)
Red Hat Enterprise Linux 8 0:4.18.0-513.5.1.rt7.307.el8_9
Red Hat Enterprise Linux 8 0:4.18.0-513.5.1.el8_9
Red Hat Enterprise Linux 8.6 Extended Update Support 0:4.18.0-372.87.1.el8_6