CVE-2022-49994

Description

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:

Reserved 2025-06-18 | Published 2025-06-18 | Updated 2025-06-18 | Assigner Linux

Product status

Default status
unaffected

f41f2ed43ca5258d70d53290d1951a21621f95c8 before 16a12ee619e39e8112f61b603255c16b73b6264b
affected

f41f2ed43ca5258d70d53290d1951a21621f95c8 before 9ae15c4ba2be1e5a62503b6d873e84beb5fcbb5a
affected

f41f2ed43ca5258d70d53290d1951a21621f95c8 before dd0ff4d12dd284c334f7e9b07f8f335af856ac78
affected

Default status
affected

5.14
affected

Any version before 5.14
unaffected

5.15.64
unaffected

5.19.6
unaffected

6.0
unaffected

References

git.kernel.org/...c/16a12ee619e39e8112f61b603255c16b73b6264b

git.kernel.org/...c/9ae15c4ba2be1e5a62503b6d873e84beb5fcbb5a

git.kernel.org/...c/dd0ff4d12dd284c334f7e9b07f8f335af856ac78

cve.org (CVE-2022-49994)

nvd.nist.gov (CVE-2022-49994)

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