229 lines
12 KiB
JSON
229 lines
12 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-98640",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-09-25T10:25:14.361Z",
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"datePublished": "2026-10-18T15:20:11.777Z",
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"dateUpdated": "2026-10-19T09:23:09.980Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-10-19T09:23:09.980Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: amd_sfh: Validate PCI BAR size before mapping\n\nThe amd_sfh driver maps PCI BAR 2 using pcim_iomap_regions() and\nsubsequently accesses MMIO registers at offsets up to 0x10958 (e.g.,\nAMD_P2C_MSG3 at 0x1068C). However, the driver never validates that the BAR\nsize is large enough to cover these accesses. If the driver is bound to a\ndevice with a smaller BAR 2, this leads to an out-of-bounds memory access\nand a page fault during the probe function.\n\nFor example, a page fault can occur when reading from privdata->mmio +\nAMD_P2C_MSG3 in mp2_select_ops():\n\n BUG: unable to handle page fault for address: ffffc9000390368c\n PGD 100000067 P4D 100000067 PUD 1012c1067 PMD 105b64067 PTE 0\n Oops: Oops: 0000 [#1] SMP KASAN NOPTI\n RIP: 0010:readl arch/x86/include/asm/io.h:59 [inline]\n RIP: 0010:mp2_select_ops drivers/hid/amd-sfh-hid/amd_sfh_pcie.c:282\n [inline]\n RIP: 0010:amd_mp2_pci_probe+0x337/0x5f0\n drivers/hid/amd-sfh-hid/amd_sfh_pcie.c:487\n Call Trace:\n <TASK>\n local_pci_probe drivers/pci/pci-driver.c:332 [inline]\n pci_call_probe drivers/pci/pci-driver.c:394 [inline]\n __pci_device_probe drivers/pci/pci-driver.c:455 [inline]\n pci_device_probe+0x431/0xc90 drivers/pci/pci-driver.c:489\n\nFix this by verifying that the length of BAR 2 is at least 128KB before\nattempting to map it. Since the maximum accessed offset is 0x10958, and PCI\nBAR sizes are powers of 2, any legitimate hardware will have a BAR size of\nat least 128KB."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/hid/amd-sfh-hid/amd_sfh_common.h",
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"drivers/hid/amd-sfh-hid/amd_sfh_pcie.c"
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],
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"versions": [
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{
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"version": "4f567b9f8141a86c7d878fadf136e5d1408e3e61",
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"lessThan": "92bf2883da0306ab9d1eb794acd1058fc5088ebc",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "4f567b9f8141a86c7d878fadf136e5d1408e3e61",
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"lessThan": "7b3747d77767f066ccf4a9e8e3a8381643ab5368",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "4f567b9f8141a86c7d878fadf136e5d1408e3e61",
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"lessThan": "5ff24aa7af0bca0780fe4e6effce902065f2c0a7",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "4f567b9f8141a86c7d878fadf136e5d1408e3e61",
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"lessThan": "dc687489131559ee52f447592f6d039a5a013061",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "4f567b9f8141a86c7d878fadf136e5d1408e3e61",
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"lessThan": "5f9e2ecb725adced013fbf5f94b9f185fad2e7d9",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "4f567b9f8141a86c7d878fadf136e5d1408e3e61",
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"lessThan": "ee25833f037fa22d23ffdbfeebabe3579e8a0346",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "4f567b9f8141a86c7d878fadf136e5d1408e3e61",
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"lessThan": "65bcc5f89704efe5b9d69d4ea2c1002d90c31382",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/hid/amd-sfh-hid/amd_sfh_common.h",
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"drivers/hid/amd-sfh-hid/amd_sfh_pcie.c"
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],
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"versions": [
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{
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"version": "5.11",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "5.11",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.222",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.189",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.158",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.112",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18.55",
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"lessThanOrEqual": "6.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.2.9",
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"lessThanOrEqual": "7.2.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.3",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.11",
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"versionEndExcluding": "5.15.222"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.11",
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"versionEndExcluding": "6.1.189"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.11",
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"versionEndExcluding": "6.6.158"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.11",
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"versionEndExcluding": "6.12.112"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.11",
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"versionEndExcluding": "6.18.55"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.11",
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"versionEndExcluding": "7.2.9"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.11",
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"versionEndExcluding": "7.3"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/92bf2883da0306ab9d1eb794acd1058fc5088ebc"
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},
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{
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"url": "https://git.kernel.org/stable/c/7b3747d77767f066ccf4a9e8e3a8381643ab5368"
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},
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{
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"url": "https://git.kernel.org/stable/c/5ff24aa7af0bca0780fe4e6effce902065f2c0a7"
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},
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{
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"url": "https://git.kernel.org/stable/c/dc687489131559ee52f447592f6d039a5a013061"
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},
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{
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"url": "https://git.kernel.org/stable/c/5f9e2ecb725adced013fbf5f94b9f185fad2e7d9"
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},
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{
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"url": "https://git.kernel.org/stable/c/ee25833f037fa22d23ffdbfeebabe3579e8a0346"
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},
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{
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"url": "https://git.kernel.org/stable/c/65bcc5f89704efe5b9d69d4ea2c1002d90c31382"
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}
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],
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"title": "HID: amd_sfh: Validate PCI BAR size before mapping",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |