CVE-2023-4732CWE-366

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

Medium · published October 3, 2023

CVSS v3.1
4.7
EPSS
0%
Percentile
7.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.7 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00183 · 7.5th percentile
Weakness
CWE-366 · Race Condition within a Thread
Published
2023-10-03T16:55Z
EPSS history
Timeline
  • 03 OCT 16:55Z
    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
    cvelistv5