Riskcovery

CVE-2021-47101

asix: fix uninit-value in asix_mdio_read()

State
Published
Severity
Not scored
Published
Mar 4, 2024
Updated
May 11, 2026
Reserved
Feb 29, 2024

Read the record on cve.org

Description

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

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • d9fe64e511144c1ee7d7555b4111f09dde9692ef to before d259f621c85949f30cc578cac813b82bb5169f56Affected
  • d9fe64e511144c1ee7d7555b4111f09dde9692ef to before 8035b1a2a37a29d8c717ef84fca8fe7278bc9f03Affected
LinuxLinux
  • 4.9Affected
  • before 4.9Not affected
  • 5.15.12 through 5.15.*Not affected
  • 5.16 and laterNot affected

References

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