Riskcovery

CVE-2022-49994

bootmem: remove the vmemmap pages from kmemleak in put_page_bootmem

State
Published
Severity
Not scored
Published
Jun 18, 2025
Updated
May 11, 2026
Reserved
Jun 18, 2025

Read the record on cve.org

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:

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • f41f2ed43ca5258d70d53290d1951a21621f95c8 to before 16a12ee619e39e8112f61b603255c16b73b6264bAffected
  • f41f2ed43ca5258d70d53290d1951a21621f95c8 to before 9ae15c4ba2be1e5a62503b6d873e84beb5fcbb5aAffected
  • f41f2ed43ca5258d70d53290d1951a21621f95c8 to before dd0ff4d12dd284c334f7e9b07f8f335af856ac78Affected
LinuxLinux
  • 5.14Affected
  • before 5.14Not affected
  • 5.15.64 through 5.15.*Not affected
  • 5.19.6 through 5.19.*Not affected
  • 6.0 and laterNot affected

References

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