Vulnerability in Linux
CVE-2022-49994
In the Linux kernel, the following vulnerability has been resolved: bootmem: remove the vmemmap pages from kmemleak in put_page_bootmem The vmemmap pages is marked by kmemleak when allocated from memblock. Remove it from kmemleak when freeing the page. Otherwise, when we reuse the page, kmemleak may report such an error and then stop working. kmemleak: Cannot insert 0xffff98fb6eab3d40 into the object search tree (overlaps existing) kmemleak: Kernel memory leak detector disabled kmemleak: Object 0xffff98fb6be00000 (size 335544320): kmemleak: comm "swapper", pid 0, jiffies 4294892296 kmemleak: min_count = 0 kmemleak: count = 0 kmemleak: flags = 0x1 kmemleak: checksum = 0 kmemleak: backtrace:
EPSS: 0.002 (10.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions f41f2ed43ca5258d70d53290d1951a21621f95c8, 5.14, 0
- Linux Linux_kernel — versions 6.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2022-49994?
- CVE-2022-49994 is a medium-severity vulnerability in Linux, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2025-06-18.
- How severe is CVE-2022-49994?
- Medium severity. CVSS v3 base score is 5.5 out of 10.