CVE-2022-50556NULL Pointer Dereference in Linux

Severity
5.5MEDIUM
No vector
EPSS
0.0%
top 91.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 22

Description

In the Linux kernel, the following vulnerability has been resolved: drm: Fix potential null-ptr-deref due to drmm_mode_config_init() drmm_mode_config_init() will call drm_mode_create_standard_properties() and won't check the ret value. When drm_mode_create_standard_properties() failed due to alloc, property will be a NULL pointer and may causes the null-ptr-deref. Fix the null-ptr-deref by adding the ret value check. Found null-ptr-deref while testing insert module bochs: general protection f

Affected Packages4 packages

Linuxlinux/linux_kernel4.0.05.10.173+3
Debianlinux/linux_kernel< 5.10.178-1+3
CVEListV5linux/linux6b4959f43a04e12d39c5700607727f2cbcfeac315ae70041a6d7de62a0cdb2bbcfe0c9cf753035d0+5
debiandebian/linux< linux 6.1.20-1 (bookworm)

🔴Vulnerability Details

3
OSV
CVE-2022-50556: In the Linux kernel, the following vulnerability has been resolved: drm: Fix potential null-ptr-deref due to drmm_mode_config_init() drmm_mode_config_2025-10-22
OSV
drm: Fix potential null-ptr-deref due to drmm_mode_config_init()2025-10-22
GHSA
GHSA-6797-2m8f-mhgm: In the Linux kernel, the following vulnerability has been resolved: drm: Fix potential null-ptr-deref due to drmm_mode_config_init() drmm_mode_confi2025-10-22

📋Vendor Advisories

2
Red Hat
kernel: drm: Fix potential null-ptr-deref due to drmm_mode_config_init()2025-10-22
Debian
CVE-2022-50556: linux - In the Linux kernel, the following vulnerability has been resolved: drm: Fix po...2022