206 lines
10 KiB
JSON
206 lines
10 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-2026-64254",
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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": "2026-07-19T15:36:31.773Z",
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"datePublished": "2026-07-24T15:31:22.293Z",
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"dateUpdated": "2026-08-17T04:52:06.227Z"
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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": "2026-08-17T04:52:06.227Z"
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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\nNTB: epf: Avoid pci_iounmap() with offset when PEER_SPAD and CONFIG share BAR\n\nWhen BAR_PEER_SPAD and BAR_CONFIG share one PCI BAR, the module teardown\npath ends up calling pci_iounmap() on the same iomem with some offset,\nwhich is unnecessary and triggers a kernel warning like the following:\n\n Trying to vunmap() nonexistent vm area (0000000069a5ffe8)\n WARNING: mm/vmalloc.c:3470 at vunmap+0x58/0x68, CPU#5: modprobe/2937\n [...]\n Call trace:\n vunmap+0x58/0x68 (P)\n iounmap+0x34/0x48\n pci_iounmap+0x2c/0x40\n ntb_epf_pci_remove+0x44/0x80 [ntb_hw_epf]\n pci_device_remove+0x48/0xf8\n device_remove+0x50/0x88\n device_release_driver_internal+0x1c8/0x228\n driver_detach+0x50/0xb0\n bus_remove_driver+0x74/0x100\n driver_unregister+0x34/0x68\n pci_unregister_driver+0x34/0xa0\n ntb_epf_pci_driver_exit+0x14/0xfe0 [ntb_hw_epf]\n [...]\n\nFix it by unmapping only when PEER_SPAD and CONFIG use difference bars."
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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/ntb/hw/epf/ntb_hw_epf.c"
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],
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"versions": [
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{
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"version": "e75d5ae8ab88b7ffb3d1d56124b003f3555f74b4",
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"lessThan": "eb47b9bffd07a47b84910847cb5ea066ce184055",
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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": "e75d5ae8ab88b7ffb3d1d56124b003f3555f74b4",
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"lessThan": "06f6dd2ff2bd07eaf7178a807407ff27e85122b4",
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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": "e75d5ae8ab88b7ffb3d1d56124b003f3555f74b4",
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"lessThan": "a4be4a1308f02bff79a30eea2d04ead5b63685f2",
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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": "e75d5ae8ab88b7ffb3d1d56124b003f3555f74b4",
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"lessThan": "81371dbd23601f67f01372817fdbab42c5601e43",
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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": "e75d5ae8ab88b7ffb3d1d56124b003f3555f74b4",
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"lessThan": "9764a786ba98db58f0725913c369e721253aba33",
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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": "e75d5ae8ab88b7ffb3d1d56124b003f3555f74b4",
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"lessThan": "d876153680e3d721d385e554def919bce3d18c74",
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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/ntb/hw/epf/ntb_hw_epf.c"
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],
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"versions": [
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{
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"version": "6.0",
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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": "6.0",
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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": "6.1.177",
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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": "6.6.144",
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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": "6.12.95",
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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": "6.18.38",
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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": "7.1.3",
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"lessThanOrEqual": "7.1.*",
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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": "7.2",
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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": "6.0",
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"versionEndExcluding": "6.1.177"
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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": "6.0",
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"versionEndExcluding": "6.6.144"
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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": "6.0",
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"versionEndExcluding": "6.12.95"
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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": "6.0",
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"versionEndExcluding": "6.18.38"
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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": "6.0",
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"versionEndExcluding": "7.1.3"
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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": "6.0",
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"versionEndExcluding": "7.2"
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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/eb47b9bffd07a47b84910847cb5ea066ce184055"
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},
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{
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"url": "https://git.kernel.org/stable/c/06f6dd2ff2bd07eaf7178a807407ff27e85122b4"
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},
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{
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"url": "https://git.kernel.org/stable/c/a4be4a1308f02bff79a30eea2d04ead5b63685f2"
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},
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{
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"url": "https://git.kernel.org/stable/c/81371dbd23601f67f01372817fdbab42c5601e43"
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},
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{
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"url": "https://git.kernel.org/stable/c/9764a786ba98db58f0725913c369e721253aba33"
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},
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{
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"url": "https://git.kernel.org/stable/c/d876153680e3d721d385e554def919bce3d18c74"
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}
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],
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"title": "NTB: epf: Avoid pci_iounmap() with offset when PEER_SPAD and CONFIG share BAR",
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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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} |