{"id":"CVE-2022-49190","state":"PUBLISHED","title":"kernel/resource: fix kfree() of bootmem memory again","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nkernel/resource: fix kfree() of bootmem memory again\n\nSince commit ebff7d8f270d (\"mem hotunplug: fix kfree() of bootmem\nmemory\"), we could get a resource allocated during boot via\nalloc_resource().  And it's required to release the resource using\nfree_resource().  Howerver, many people use kfree directly which will\nresult in kernel BUG.  In order to fix this without fixing every call\nsite, just leak a couple of bytes in such corner case.","publishedAt":"2025-02-26T01:55:37.629Z","updatedAt":"2026-05-11T18:54:51.816Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ebff7d8f270d045338d9f4796014f4db429a17f9","status":"affected","lessThan":"3379a60f6bb4afcd9c456e340ac525ae649d3ce7","versionType":"git"},{"version":"ebff7d8f270d045338d9f4796014f4db429a17f9","status":"affected","lessThan":"a9e88c2618d228d7a4e7e515cf30dc0d0d813f27","versionType":"git"},{"version":"ebff7d8f270d045338d9f4796014f4db429a17f9","status":"affected","lessThan":"d7faa04a44a0c37ac3d222fa8e0bdcbfcee9c0c8","versionType":"git"},{"version":"ebff7d8f270d045338d9f4796014f4db429a17f9","status":"affected","lessThan":"ab86020070999e758ce2e60c4348f20bf7ddba56","versionType":"git"},{"version":"ebff7d8f270d045338d9f4796014f4db429a17f9","status":"affected","lessThan":"0cbcc92917c5de80f15c24d033566539ad696892","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/resource.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.10","versionType":"semver"},{"version":"5.10.237","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.33","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.19","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17.2","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/resource.c"]}],"references":["https://git.kernel.org/stable/c/3379a60f6bb4afcd9c456e340ac525ae649d3ce7","https://git.kernel.org/stable/c/a9e88c2618d228d7a4e7e515cf30dc0d0d813f27","https://git.kernel.org/stable/c/d7faa04a44a0c37ac3d222fa8e0bdcbfcee9c0c8","https://git.kernel.org/stable/c/ab86020070999e758ce2e60c4348f20bf7ddba56","https://git.kernel.org/stable/c/0cbcc92917c5de80f15c24d033566539ad696892","https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49190.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49190","state":"PUBLISHED","datePublished":"2025-02-26T01:55:37.629Z","dateUpdated":"2026-05-11T18:54:51.816Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T01:49:39.286Z"},"containers":{"cna":{"title":"kernel/resource: fix kfree() of bootmem memory again","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nkernel/resource: fix kfree() of bootmem memory again\n\nSince commit ebff7d8f270d (\"mem hotunplug: fix kfree() of bootmem\nmemory\"), we could get a resource allocated during boot via\nalloc_resource().  And it's required to release the resource using\nfree_resource().  Howerver, many people use kfree directly which will\nresult in kernel BUG.  In order to fix this without fixing every call\nsite, just leak a couple of bytes in such corner case."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ebff7d8f270d045338d9f4796014f4db429a17f9","status":"affected","lessThan":"3379a60f6bb4afcd9c456e340ac525ae649d3ce7","versionType":"git"},{"version":"ebff7d8f270d045338d9f4796014f4db429a17f9","status":"affected","lessThan":"a9e88c2618d228d7a4e7e515cf30dc0d0d813f27","versionType":"git"},{"version":"ebff7d8f270d045338d9f4796014f4db429a17f9","status":"affected","lessThan":"d7faa04a44a0c37ac3d222fa8e0bdcbfcee9c0c8","versionType":"git"},{"version":"ebff7d8f270d045338d9f4796014f4db429a17f9","status":"affected","lessThan":"ab86020070999e758ce2e60c4348f20bf7ddba56","versionType":"git"},{"version":"ebff7d8f270d045338d9f4796014f4db429a17f9","status":"affected","lessThan":"0cbcc92917c5de80f15c24d033566539ad696892","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/resource.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.10","versionType":"semver"},{"version":"5.10.237","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.33","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.19","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17.2","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/resource.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3379a60f6bb4afcd9c456e340ac525ae649d3ce7"},{"url":"https://git.kernel.org/stable/c/a9e88c2618d228d7a4e7e515cf30dc0d0d813f27"},{"url":"https://git.kernel.org/stable/c/d7faa04a44a0c37ac3d222fa8e0bdcbfcee9c0c8"},{"url":"https://git.kernel.org/stable/c/ab86020070999e758ce2e60c4348f20bf7ddba56"},{"url":"https://git.kernel.org/stable/c/0cbcc92917c5de80f15c24d033566539ad696892"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:54:51.816Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.10.237"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.15.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.16.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.17.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T19:27:48.713Z"}}]}}}