CVE-2025-21949Improper Initialization in Linux

Severity
5.5MEDIUMNVD
EPSS
0.1%
top 74.38%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedApr 1
Latest updateApr 8

Description

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Set hugetlb mmap base address aligned with pmd size With ltp test case "testcases/bin/hugefork02", there is a dmesg error report message such as: kernel BUG at mm/hugetlb.c:5550! Oops - BUG[#1]: CPU: 0 UID: 0 PID: 1517 Comm: hugefork02 Not tainted 6.14.0-rc2+ #241 Hardware name: QEMU QEMU Virtual Machine, BIOS unknown 2/2/2022 pc 90000000004eaf1c ra 9000000000485538 tp 900000010edbc000 sp 900000010edbf940 a0 900000

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Patches

🔴Vulnerability Details

2
GHSA
GHSA-qhr5-5m4q-73p8: In the Linux kernel, the following vulnerability has been resolved: LoongArch: Set hugetlb mmap base address aligned with pmd size With ltp test cas2025-04-01
OSV
CVE-2025-21949: In the Linux kernel, the following vulnerability has been resolved: LoongArch: Set hugetlb mmap base address aligned with pmd size With ltp test case2025-04-01

📋Vendor Advisories

3
Microsoft
LoongArch: Set hugetlb mmap base address aligned with pmd size2025-04-08
Red Hat
kernel: LoongArch: Set hugetlb mmap base address aligned with pmd size2025-04-01
Debian
CVE-2025-21949: linux - In the Linux kernel, the following vulnerability has been resolved: LoongArch: ...2025