{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-41096","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-07-12T12:17:45.637Z","datePublished":"2024-07-29T15:48:09.247Z","dateUpdated":"2025-11-03T22:00:53.719Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T09:22:00.374Z"},"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"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/ff1121d2214b794dc1772081f27bdd90721a84bc","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/45fc8d20e0768ab0a0ad054081d0f68aa3c83976","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/9eee5330656bf92f51cb1f09b2dc9f8cf975b3d1","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T22:00:53.719Z"}},{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-41096","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T16:20:22.209715Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-11T17:33:09.074Z"}}]}}