CVE-2021-47101

asix: fix uninit-value in asix_mdio_read()

published March 4, 2024

CVSS
—
EPSS
0%
Percentile
11.9
In the wild
Unconfirmed
What it is

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

asix: fix uninit-value in asix_mdio_read()

asix_read_cmd() may read less than sizeof(smsr) bytes and in this case

smsr will be uninitialized.

Fail log:

BUG: KMSAN: uninit-value in asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline]

BUG: KMSAN: uninit-value in asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline] drivers/net/usb/asix_common.c:497

BUG: KMSAN: uninit-value in asix_mdio_read+0x3c1/0xb00 drivers/net/usb/asix_common.c:497 drivers/net/usb/asix_common.c:497

asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline]

asix_check_host_enable drivers/net/usb/asix_common.c:82 [inline] drivers/net/usb/asix_common.c:497

asix_mdio_read+0x3c1/0xb00 drivers/net/usb/asix_common.c:497 drivers/net/usb/asix_common.c:497

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00221 · 11.9th percentile
Published
2024-03-04T18:10Z
EPSS history
Timeline
  • 04 MAR 18:10Z
    asix: fix uninit-value in asix_mdio_read()
    cvelistv5