{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-49885", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-05-01T14:05:17.241Z", "datePublished": "2025-05-01T14:10:31.286Z", "dateUpdated": "2026-05-11T19:08:37.588Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:08:37.588Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: APEI: Fix integer overflow in ghes_estatus_pool_init()\n\nChange num_ghes from int to unsigned int, preventing an overflow\nand causing subsequent vmalloc() to fail.\n\nThe overflow happens in ghes_estatus_pool_init() when calculating\nlen during execution of the statement below as both multiplication\noperands here are signed int:\n\nlen += (num_ghes * GHES_ESOURCE_PREALLOC_MAX_SIZE);\n\nThe following call trace is observed because of this bug:\n\n[ 9.317108] swapper/0: vmalloc error: size 18446744071562596352, exceeds total pages, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=/,mems_allowed=0-1\n[ 9.317131] Call Trace:\n[ 9.317134] \n[ 9.317137] dump_stack_lvl+0x49/0x5f\n[ 9.317145] dump_stack+0x10/0x12\n[ 9.317146] warn_alloc.cold+0x7b/0xdf\n[ 9.317150] ? __device_attach+0x16a/0x1b0\n[ 9.317155] __vmalloc_node_range+0x702/0x740\n[ 9.317160] ? device_add+0x17f/0x920\n[ 9.317164] ? dev_set_name+0x53/0x70\n[ 9.317166] ? platform_device_add+0xf9/0x240\n[ 9.317168] __vmalloc_node+0x49/0x50\n[ 9.317170] ? ghes_estatus_pool_init+0x43/0xa0\n[ 9.317176] vmalloc+0x21/0x30\n[ 9.317177] ghes_estatus_pool_init+0x43/0xa0\n[ 9.317179] acpi_hest_init+0x129/0x19c\n[ 9.317185] acpi_init+0x434/0x4a4\n[ 9.317188] ? acpi_sleep_proc_init+0x2a/0x2a\n[ 9.317190] do_one_initcall+0x48/0x200\n[ 9.317195] kernel_init_freeable+0x221/0x284\n[ 9.317200] ? rest_init+0xe0/0xe0\n[ 9.317204] kernel_init+0x1a/0x130\n[ 9.317205] ret_from_fork+0x22/0x30\n[ 9.317208] \n\n[ rjw: Subject and changelog edits ]" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/acpi/apei/ghes.c", "include/acpi/ghes.h" ], "versions": [ { "version": "fb7be08f1a091ec243780bfdad4bf0c492057808", "lessThan": "9edf20e5a1d805855e78f241cf221d741b50d482", "status": "affected", "versionType": "git" }, { "version": "fb7be08f1a091ec243780bfdad4bf0c492057808", "lessThan": "c50ec15725e005e9fb20bce69b6c23b135a4a9b7", "status": "affected", "versionType": "git" }, { "version": "fb7be08f1a091ec243780bfdad4bf0c492057808", "lessThan": "4c10c854113720cbfe75d4f51db79b700a629e73", "status": "affected", "versionType": "git" }, { "version": "fb7be08f1a091ec243780bfdad4bf0c492057808", "lessThan": "43d2748394c3feb86c0c771466f5847e274fc043", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/acpi/apei/ghes.c", "include/acpi/ghes.h" ], "versions": [ { "version": "5.1", "status": "affected" }, { "version": "0", "lessThan": "5.1", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.154", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.78", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.0.8", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "5.10.154" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "5.15.78" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "6.0.8" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "6.1" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/9edf20e5a1d805855e78f241cf221d741b50d482" }, { "url": "https://git.kernel.org/stable/c/c50ec15725e005e9fb20bce69b6c23b135a4a9b7" }, { "url": "https://git.kernel.org/stable/c/4c10c854113720cbfe75d4f51db79b700a629e73" }, { "url": "https://git.kernel.org/stable/c/43d2748394c3feb86c0c771466f5847e274fc043" } ], "title": "ACPI: APEI: Fix integer overflow in ghes_estatus_pool_init()", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-190", "lang": "en", "description": "CWE-190 Integer Overflow or Wraparound" } ] } ], "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2025-10-01T16:10:29.975957Z", "id": "CVE-2022-49885", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T16:10:34.830Z" } } ] } }