CVE-2022-48993
kernel: fbcon: Use kzalloc() in fbcon_prepare_logo()
Severity
UnknownRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 21, 2024
Updated · October 29, 2026
Description
[REJECTED CVE] A memory initialization vulnerability in the Linux Kernel's fbcon module allows uninitialized memory in the save variable to be copied during operations in fbcon_prepare_logo(). This can result in unpredictable behavior, including kernel crashes or memory corruption, when handling frame buffer devices.
Statement
This CVE has been rejected upstream: https://lore.kernel.org/linux-cve-announce/2024102311-REJECTED-ec05@gregkh/T/#u
Red Hat has also evaluated this issue and determined that it does not meet the criteria to be classified as a security vulnerability. This assessment is based on the issue not posing a significant security risk, being a result of misconfiguration or usage error, or falling outside the scope of security considerations.
As such, this CVE has been marked as "Rejected" in alignment with Red Hat's vulnerability management policies.
If you have additional information or concerns regarding this determination, please contact Red Hat Product Security for further clarification.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 0CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:N
CWE-457 · Use of Uninitialized Variable