CVE-2021-47384

Updated: 2024-09-24 04:09:34.859582

Description:

In the Linux kernel, the following vulnerability has been resolved: hwmon: (w83793) Fix NULL pointer dereference by removing unnecessary structure field If driver read tmp value sufficient for (tmp & 0x08) && (!(tmp & 0x80)) && ((tmp & 0x7) == ((tmp >> 4) & 0x7)) from device then Null pointer dereference occurs. (It is possible if tmp = 0b0xyz1xyz, where same literals mean same numbers) Also lm75[] does not serve a purpose anymore after switching to devm_i2c_new_dummy_device() in w83791d_detect_subclients(). The patch fixes possible NULL pointer dereference by removing lm75[]. Found by Linux Driver Verification project (linuxtesting.org). [groeck: Dropped unnecessary continuation lines, fixed multi-line alignments]


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x NONE 0
CVSS Version 3.x MEDIUM 5.5

Status

OS name Project name Version Score Severity Status Errata Last updated
AlmaLinux 9.2 ESU kernel 5.14.0 5.5 MEDIUM Needs Triage 2024-10-31 00:15:18
AlmaLinux 9.2 FIPS kernel 5.14.0 5.5 MEDIUM Ignored 2024-09-25 12:27:09
CentOS 6 ELS kernel 2.6.32 5.5 MEDIUM Ignored 2024-09-25 12:27:11
CentOS 7 ELS kernel 3.10.0 5.5 MEDIUM Ignored 2024-09-25 12:27:08
CentOS 8.4 ELS kernel 4.18.0 5.5 MEDIUM Released CLSA-2024:1727690947 2024-09-30 10:47:20
CentOS 8.5 ELS kernel 4.18.0 5.5 MEDIUM Released CLSA-2024:1727690025 2024-09-30 10:47:20
CentOS Stream 8 ELS kernel 4.18.0 5.5 MEDIUM Released CLSA-2024:1727815919 2024-10-01 17:27:47
CloudLinux 6 ELS kernel 2.6.32 5.5 MEDIUM Ignored 2024-09-25 12:27:09
CloudLinux 7 ELS kernel 3.10.0 5.5 MEDIUM Ignored 2024-09-25 12:27:08
Oracle Linux 6 ELS kernel 2.6.32 5.5 MEDIUM Ignored 2024-09-25 12:27:08