How severe is CVE-2021-47120?

This vulnerability has a severity rating of MEDIUM with a CVSS score of 5.5 out of 10.

What type of vulnerability is CVE-2021-47120?

This is classified as CWE-476, which is a common weakness in software security.

CVE-2021-47120 - MEDIUM Severity | CVSS 5.5

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: HID: magicmouse: fix NULL-deref on disconnect Commit 9d7b18668956 ("HID: magicmouse: add support for Apple Magic Trackpad 2") added a sanity check for an Apple trackpad but returned success instead of -ENODEV when the check failed. This means that the remove callback will dereference the never-initialised driver data pointer when the driver is later unbound (e.g. on USB disconnect).

Related Vulnerabilities

CVE-2001-1559

MEDIUM

CVSS:5.5(Medium)

The uipc system calls (uipc_syscalls.c) in OpenBSD 2.9 and 3.0 provide user mode return instead of versus rval kernel mode values to the fdrelease function, which allows local users to cause a denial ...

CWE-4762001

CVE-2010-0206

MEDIUM

CVSS:5.5(Medium)

xpdf allows remote attackers to cause a denial of service (NULL pointer dereference and crash) in the way it processes JBIG2 PDF stream objects.

CWE-4762010

CVE-2010-3079

MEDIUM

CVSS:5.5(Medium)

kernel/trace/ftrace.c in the Linux kernel before 2.6.35.5, when debugfs is enabled, does not properly handle interaction between mutex possession and llseek operations, which allows local users to cau...

CWE-4762010

CVE-2011-3637

MEDIUM

CVSS:5.5(Medium)

The m_stop function in fs/proc/task_mmu.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service (OOPS) via vectors that trigger an m_start error.

CWE-4762011

CVE-2011-4081

MEDIUM

CVSS:5.5(Medium)

crypto/ghash-generic.c in the Linux kernel before 3.1 allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact by triggering a fail...

CWE-4762011

CVE-2011-4594

MEDIUM

CVSS:5.5(Medium)

The __sys_sendmsg function in net/socket.c in the Linux kernel before 3.1 allows local users to cause a denial of service (system crash) via crafted use of the sendmmsg system call, leading to an inco...

CWE-4762011