CVE-2024-26977

pci_iounmap(): Fix MMIO mapping leak

Medium · published May 1, 2024

CVSS v3.1
5.5
EPSS
0%
Percentile
12.6
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

pci_iounmap(): Fix MMIO mapping leak

The #ifdef ARCH_HAS_GENERIC_IOPORT_MAP accidentally also guards iounmap(),

which means MMIO mappings are leaked.

Move the guard so we call iounmap() for MMIO mappings.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00226 · 12.6th percentile
Published
2024-05-01T05:20Z
EPSS history
Timeline
  • 01 MAY 05:20Z
    pci_iounmap(): Fix MMIO mapping leak
    cvelistv5