blob: 98774a97b0654d9302f01a48cf546753942c5652 [file] [log] [blame]
{
"containers": {
"cna": {
"providerMetadata": {
"orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI/MSI: Fix UAF in msi_capability_init\n\nKFENCE reports the following UAF:\n\n BUG: KFENCE: use-after-free read in __pci_enable_msi_range+0x2c0/0x488\n\n Use-after-free read at 0x0000000024629571 (in kfence-#12):\n __pci_enable_msi_range+0x2c0/0x488\n pci_alloc_irq_vectors_affinity+0xec/0x14c\n pci_alloc_irq_vectors+0x18/0x28\n\n kfence-#12: 0x0000000008614900-0x00000000e06c228d, size=104, cache=kmalloc-128\n\n allocated by task 81 on cpu 7 at 10.808142s:\n __kmem_cache_alloc_node+0x1f0/0x2bc\n kmalloc_trace+0x44/0x138\n msi_alloc_desc+0x3c/0x9c\n msi_domain_insert_msi_desc+0x30/0x78\n msi_setup_msi_desc+0x13c/0x184\n __pci_enable_msi_range+0x258/0x488\n pci_alloc_irq_vectors_affinity+0xec/0x14c\n pci_alloc_irq_vectors+0x18/0x28\n\n freed by task 81 on cpu 7 at 10.811436s:\n msi_domain_free_descs+0xd4/0x10c\n msi_domain_free_locked.part.0+0xc0/0x1d8\n msi_domain_alloc_irqs_all_locked+0xb4/0xbc\n pci_msi_setup_msi_irqs+0x30/0x4c\n __pci_enable_msi_range+0x2a8/0x488\n pci_alloc_irq_vectors_affinity+0xec/0x14c\n pci_alloc_irq_vectors+0x18/0x28\n\nDescriptor allocation done in:\n__pci_enable_msi_range\n msi_capability_init\n msi_setup_msi_desc\n msi_insert_msi_desc\n msi_domain_insert_msi_desc\n msi_alloc_desc\n ...\n\nFreed in case of failure in __msi_domain_alloc_locked()\n__pci_enable_msi_range\n msi_capability_init\n pci_msi_setup_msi_irqs\n msi_domain_alloc_irqs_all_locked\n msi_domain_alloc_locked\n __msi_domain_alloc_locked => fails\n msi_domain_free_locked\n ...\n\nThat failure propagates back to pci_msi_setup_msi_irqs() in\nmsi_capability_init() which accesses the descriptor for unmasking in the\nerror exit path.\n\nCure it by copying the descriptor and using the copy for the error exit path\nunmask operation.\n\n[ tglx: Massaged change log ]"
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/pci/msi/msi.c"
],
"versions": [
{
"version": "bf6e054e0e3fbc9614355b760e18c8a14f952a4e",
"lessThan": "0ae40b2d0a5de6b045504098e365d4fdff5bbeba",
"status": "affected",
"versionType": "git"
},
{
"version": "bf6e054e0e3fbc9614355b760e18c8a14f952a4e",
"lessThan": "ff1121d2214b794dc1772081f27bdd90721a84bc",
"status": "affected",
"versionType": "git"
},
{
"version": "bf6e054e0e3fbc9614355b760e18c8a14f952a4e",
"lessThan": "45fc8d20e0768ab0a0ad054081d0f68aa3c83976",
"status": "affected",
"versionType": "git"
},
{
"version": "bf6e054e0e3fbc9614355b760e18c8a14f952a4e",
"lessThan": "9eee5330656bf92f51cb1f09b2dc9f8cf975b3d1",
"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/pci/msi/msi.c"
],
"versions": [
{
"version": "5.17",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.17",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.109",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.37",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.9.8",
"lessThanOrEqual": "6.9.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.10",
"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": "5.17",
"versionEndExcluding": "6.1.109"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.17",
"versionEndExcluding": "6.6.37"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.17",
"versionEndExcluding": "6.9.8"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.17",
"versionEndExcluding": "6.10"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/0ae40b2d0a5de6b045504098e365d4fdff5bbeba"
},
{
"url": "https://git.kernel.org/stable/c/ff1121d2214b794dc1772081f27bdd90721a84bc"
},
{
"url": "https://git.kernel.org/stable/c/45fc8d20e0768ab0a0ad054081d0f68aa3c83976"
},
{
"url": "https://git.kernel.org/stable/c/9eee5330656bf92f51cb1f09b2dc9f8cf975b3d1"
}
],
"title": "PCI/MSI: Fix UAF in msi_capability_init",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
"cveID": "CVE-2024-41096",
"requesterUserId": "gregkh@kernel.org",
"serial": "1",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.0"
}