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CVE-2024-46824 (GCVE-0-2024-46824)

Vulnerability from cvelistv5 – Published: 2024-09-27 12:39 – Updated: 2026-05-11 20:37
VLAI
Title
iommufd: Require drivers to supply the cache_invalidate_user ops
Summary
In the Linux kernel, the following vulnerability has been resolved: iommufd: Require drivers to supply the cache_invalidate_user ops If drivers don't do this then iommufd will oops invalidation ioctls with something like: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 Mem abort info: ESR = 0x0000000086000004 EC = 0x21: IABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault user pgtable: 4k pages, 48-bit VAs, pgdp=0000000101059000 [0000000000000000] pgd=0000000000000000, p4d=0000000000000000 Internal error: Oops: 0000000086000004 [#1] PREEMPT SMP Modules linked in: CPU: 2 PID: 371 Comm: qemu-system-aar Not tainted 6.8.0-rc7-gde77230ac23a #9 Hardware name: linux,dummy-virt (DT) pstate: 81400809 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=-c) pc : 0x0 lr : iommufd_hwpt_invalidate+0xa4/0x204 sp : ffff800080f3bcc0 x29: ffff800080f3bcf0 x28: ffff0000c369b300 x27: 0000000000000000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 00000000c1e334a0 x21: ffff0000c1e334a0 x20: ffff800080f3bd38 x19: ffff800080f3bd58 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000ffff8240d6d8 x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 x8 : 0000001000000002 x7 : 0000fffeac1ec950 x6 : 0000000000000000 x5 : ffff800080f3bd78 x4 : 0000000000000003 x3 : 0000000000000002 x2 : 0000000000000000 x1 : ffff800080f3bcc8 x0 : ffff0000c6034d80 Call trace: 0x0 iommufd_fops_ioctl+0x154/0x274 __arm64_sys_ioctl+0xac/0xf0 invoke_syscall+0x48/0x110 el0_svc_common.constprop.0+0x40/0xe0 do_el0_svc+0x1c/0x28 el0_svc+0x34/0xb4 el0t_64_sync_handler+0x120/0x12c el0t_64_sync+0x190/0x194 All existing drivers implement this op for nesting, this is mostly a bisection aid.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-29 14:13 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 8c6eabae3807e048b9f17733af5e20500fbf858c , < 89827a4de802765b1ebb401fc1e73a90108c7520 (git)
Affected: 8c6eabae3807e048b9f17733af5e20500fbf858c , < a11dda723c6493bb1853bbc61c093377f96e2d47 (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 6.10.10 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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                "id": "CVE-2024-46824",
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                "timestamp": "2024-09-29T14:13:16.952479Z",
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          "url": "https://git.kernel.org/stable/c/89827a4de802765b1ebb401fc1e73a90108c7520"
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          "url": "https://git.kernel.org/stable/c/a11dda723c6493bb1853bbc61c093377f96e2d47"
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    "datePublished": "2024-09-27T12:39:24.563Z",
    "dateReserved": "2024-09-11T15:12:18.285Z",
    "dateUpdated": "2026-05-11T20:37:15.820Z",
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\niommufd: Require drivers to supply the cache_invalidate_user ops\\n\\nIf drivers don\u0027t do this then iommufd will oops invalidation ioctls with\\nsomething like:\\n\\n  Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\\n  Mem abort info:\\n    ESR = 0x0000000086000004\\n    EC = 0x21: IABT (current EL), IL = 32 bits\\n    SET = 0, FnV = 0\\n    EA = 0, S1PTW = 0\\n    FSC = 0x04: level 0 translation fault\\n  user pgtable: 4k pages, 48-bit VAs, pgdp=0000000101059000\\n  [0000000000000000] pgd=0000000000000000, p4d=0000000000000000\\n  Internal error: Oops: 0000000086000004 [#1] PREEMPT SMP\\n  Modules linked in:\\n  CPU: 2 PID: 371 Comm: qemu-system-aar Not tainted 6.8.0-rc7-gde77230ac23a #9\\n  Hardware name: linux,dummy-virt (DT)\\n  pstate: 81400809 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=-c)\\n  pc : 0x0\\n  lr : iommufd_hwpt_invalidate+0xa4/0x204\\n  sp : ffff800080f3bcc0\\n  x29: ffff800080f3bcf0 x28: ffff0000c369b300 x27: 0000000000000000\\n  x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000\\n  x23: 0000000000000000 x22: 00000000c1e334a0 x21: ffff0000c1e334a0\\n  x20: ffff800080f3bd38 x19: ffff800080f3bd58 x18: 0000000000000000\\n  x17: 0000000000000000 x16: 0000000000000000 x15: 0000ffff8240d6d8\\n  x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000\\n  x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000\\n  x8 : 0000001000000002 x7 : 0000fffeac1ec950 x6 : 0000000000000000\\n  x5 : ffff800080f3bd78 x4 : 0000000000000003 x3 : 0000000000000002\\n  x2 : 0000000000000000 x1 : ffff800080f3bcc8 x0 : ffff0000c6034d80\\n  Call trace:\\n   0x0\\n   iommufd_fops_ioctl+0x154/0x274\\n   __arm64_sys_ioctl+0xac/0xf0\\n   invoke_syscall+0x48/0x110\\n   el0_svc_common.constprop.0+0x40/0xe0\\n   do_el0_svc+0x1c/0x28\\n   el0_svc+0x34/0xb4\\n   el0t_64_sync_handler+0x120/0x12c\\n   el0t_64_sync+0x190/0x194\\n\\nAll existing drivers implement this op for nesting, this is mostly a\\nbisection aid.\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: iommufd: Requiere que los controladores proporcionen las operaciones cache_invalidate_user Si los controladores no hacen esto, iommufd oops invalidar\\u00e1 los ioctls con algo como: No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\\u00f3n virtual 0000000000000000 Informaci\\u00f3n de aborto de memoria: ESR = 0x0000000086000004 EC = 0x21: IABT (EL actual), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: error de traducci\\u00f3n de nivel 0 pgtable de usuario: 4k p\\u00e1ginas, VA de 48 bits, pgdp=0000000101059000 [000000000000000] pgd=0000000000000000, p4d=0000000000000000 Error interno: Oops: 0000000086000004 [#1] PREEMPT M\\u00f3dulos SMP vinculados: CPU: 2 PID: 371 Comm: qemu-system-aar No contaminado 6.8.0-rc7-gde77230ac23a #9 Nombre del hardware: linux,dummy-virt (DT) pstate: 81400809 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=-c) pc : 0x0 lr : iommufd_hwpt_invalidate+0xa4/0x204 sp : ffff800080f3bcc0 x29: ffff800080f3bcf0 x28: ffff0000c369b300 x27: 0000000000000000 x26: 0000000000000000 x25: 00000000000000000 x24: 0000000000000000 x23: 000000000000000 x22: 00000000c1e334a0 x21: ffff0000c1e334a0 x20: ffff800080f3bd38 x19: ffff800080f3bd58 x18: 0000000000000000 x17: 00000000000000000 x16: 0000000000000000 x15: 0000ffff8240d6d8 x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 000000000000000 x9: 000000000000000 x8: 0000001000000002 x7: 0000fffeac1ec950 x6: 0000000000000000 x5: ffff800080f3bd78 x4: 0000000000000003 x3: 0000000000000002 x2: 0000000000000000 x1: ffff800080f3bcc8 x0: ffff0000c6034d80 Rastreo de llamadas: 0x0 iommufd_fops_ioctl+0x154/0x274 __arm64_sys_ioctl+0xac/0xf0 anybody_syscall+0x48/0x110 el0_svc_common.constprop.0+0x40/0xe0 do_el0_svc+0x1c/0x28 el0_svc+0x34/0xb4 el0t_64_sync_handler+0x120/0x12c el0t_64_sync+0x190/0x194 Todos los controladores existentes implementan esta operaci\\u00f3n para anidamiento, esto es principalmente una ayuda de bisecci\\u00f3n.\"}]",
      "id": "CVE-2024-46824",
      "lastModified": "2024-10-02T14:29:08.417",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}]}",
      "published": "2024-09-27T13:15:14.960",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/89827a4de802765b1ebb401fc1e73a90108c7520\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/a11dda723c6493bb1853bbc61c093377f96e2d47\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Analyzed",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-476\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-46824\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-09-27T13:15:14.960\",\"lastModified\":\"2026-06-17T07:56:01.633\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\niommufd: Require drivers to supply the cache_invalidate_user ops\\n\\nIf drivers don\u0027t do this then iommufd will oops invalidation ioctls with\\nsomething like:\\n\\n  Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\\n  Mem abort info:\\n    ESR = 0x0000000086000004\\n    EC = 0x21: IABT (current EL), IL = 32 bits\\n    SET = 0, FnV = 0\\n    EA = 0, S1PTW = 0\\n    FSC = 0x04: level 0 translation fault\\n  user pgtable: 4k pages, 48-bit VAs, pgdp=0000000101059000\\n  [0000000000000000] pgd=0000000000000000, p4d=0000000000000000\\n  Internal error: Oops: 0000000086000004 [#1] PREEMPT SMP\\n  Modules linked in:\\n  CPU: 2 PID: 371 Comm: qemu-system-aar Not tainted 6.8.0-rc7-gde77230ac23a #9\\n  Hardware name: linux,dummy-virt (DT)\\n  pstate: 81400809 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=-c)\\n  pc : 0x0\\n  lr : iommufd_hwpt_invalidate+0xa4/0x204\\n  sp : ffff800080f3bcc0\\n  x29: ffff800080f3bcf0 x28: ffff0000c369b300 x27: 0000000000000000\\n  x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000\\n  x23: 0000000000000000 x22: 00000000c1e334a0 x21: ffff0000c1e334a0\\n  x20: ffff800080f3bd38 x19: ffff800080f3bd58 x18: 0000000000000000\\n  x17: 0000000000000000 x16: 0000000000000000 x15: 0000ffff8240d6d8\\n  x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000\\n  x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000\\n  x8 : 0000001000000002 x7 : 0000fffeac1ec950 x6 : 0000000000000000\\n  x5 : ffff800080f3bd78 x4 : 0000000000000003 x3 : 0000000000000002\\n  x2 : 0000000000000000 x1 : ffff800080f3bcc8 x0 : ffff0000c6034d80\\n  Call trace:\\n   0x0\\n   iommufd_fops_ioctl+0x154/0x274\\n   __arm64_sys_ioctl+0xac/0xf0\\n   invoke_syscall+0x48/0x110\\n   el0_svc_common.constprop.0+0x40/0xe0\\n   do_el0_svc+0x1c/0x28\\n   el0_svc+0x34/0xb4\\n   el0t_64_sync_handler+0x120/0x12c\\n   el0t_64_sync+0x190/0x194\\n\\nAll existing drivers implement this op for nesting, this is mostly a\\nbisection aid.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: iommufd: Requiere que los controladores proporcionen las operaciones cache_invalidate_user Si los controladores no hacen esto, iommufd oops invalidar\u00e1 los ioctls con algo como: No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual 0000000000000000 Informaci\u00f3n de aborto de memoria: ESR = 0x0000000086000004 EC = 0x21: IABT (EL actual), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: error de traducci\u00f3n de nivel 0 pgtable de usuario: 4k p\u00e1ginas, VA de 48 bits, pgdp=0000000101059000 [000000000000000] pgd=0000000000000000, p4d=0000000000000000 Error interno: Oops: 0000000086000004 [#1] PREEMPT M\u00f3dulos SMP vinculados: CPU: 2 PID: 371 Comm: qemu-system-aar No contaminado 6.8.0-rc7-gde77230ac23a #9 Nombre del hardware: linux,dummy-virt (DT) pstate: 81400809 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=-c) pc : 0x0 lr : iommufd_hwpt_invalidate+0xa4/0x204 sp : ffff800080f3bcc0 x29: ffff800080f3bcf0 x28: ffff0000c369b300 x27: 0000000000000000 x26: 0000000000000000 x25: 00000000000000000 x24: 0000000000000000 x23: 000000000000000 x22: 00000000c1e334a0 x21: ffff0000c1e334a0 x20: ffff800080f3bd38 x19: ffff800080f3bd58 x18: 0000000000000000 x17: 00000000000000000 x16: 0000000000000000 x15: 0000ffff8240d6d8 x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 000000000000000 x9: 000000000000000 x8: 0000001000000002 x7: 0000fffeac1ec950 x6: 0000000000000000 x5: ffff800080f3bd78 x4: 0000000000000003 x3: 0000000000000002 x2: 0000000000000000 x1: ffff800080f3bcc8 x0: ffff0000c6034d80 Rastreo de llamadas: 0x0 iommufd_fops_ioctl+0x154/0x274 __arm64_sys_ioctl+0xac/0xf0 anybody_syscall+0x48/0x110 el0_svc_common.constprop.0+0x40/0xe0 do_el0_svc+0x1c/0x28 el0_svc+0x34/0xb4 el0t_64_sync_handler+0x120/0x12c el0t_64_sync+0x190/0x194 Todos los controladores existentes implementan esta operaci\u00f3n para anidamiento, esto es principalmente una ayuda de bisecci\u00f3n.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/iommu/iommufd/hw_pagetable.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"8c6eabae3807e048b9f17733af5e20500fbf858c\",\"lessThan\":\"89827a4de802765b1ebb401fc1e73a90108c7520\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"8c6eabae3807e048b9f17733af5e20500fbf858c\",\"lessThan\":\"a11dda723c6493bb1853bbc61c093377f96e2d47\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/iommu/iommufd/hw_pagetable.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"6.8\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"6.8\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.10.10\",\"lessThanOrEqual\":\"6.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.11\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-09-29T14:13:16.952479Z\",\"id\":\"CVE-2024-46824\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.8\",\"versionEndExcluding\":\"6.10.10\",\"matchCriteriaId\":\"4FAFFECB-D55B-4130-801C-AE52B8A6B1BA\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/89827a4de802765b1ebb401fc1e73a90108c7520\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a11dda723c6493bb1853bbc61c093377f96e2d47\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T14:17:17+00:00",
      "cve": "CVE-2024-46824",
      "id": "CVE-2024-46824",
      "initial_release_date": "2024-09-27T00:00:00+00:00",
      "product_status:fixed": "890",
      "product_status:known_affected": "22",
      "product_status:known_not_affected": "90",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: iommufd: Require drivers to supply the cache_invalidate_user ops",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-46824.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-29T01:47:53Z",
      "cve": "CVE-2024-46824",
      "id": "CVE-2024-46824",
      "initial_release_date": "2024-09-28T02:51:59Z",
      "product_status:known_not_affected": "400",
      "product_status:recommended": "77",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-46824",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-46824.json",
      "version": "22"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-46824\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-29T14:13:16.952479Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-29T14:13:18.021Z\"}}], \"cna\": {\"title\": \"iommufd: Require drivers to supply the cache_invalidate_user ops\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"8c6eabae3807e048b9f17733af5e20500fbf858c\", \"lessThan\": \"89827a4de802765b1ebb401fc1e73a90108c7520\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"8c6eabae3807e048b9f17733af5e20500fbf858c\", \"lessThan\": \"a11dda723c6493bb1853bbc61c093377f96e2d47\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/iommu/iommufd/hw_pagetable.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.8\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.8\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.10.10\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/iommu/iommufd/hw_pagetable.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/89827a4de802765b1ebb401fc1e73a90108c7520\"}, {\"url\": \"https://git.kernel.org/stable/c/a11dda723c6493bb1853bbc61c093377f96e2d47\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\niommufd: Require drivers to supply the cache_invalidate_user ops\\n\\nIf drivers don\u0027t do this then iommufd will oops invalidation ioctls with\\nsomething like:\\n\\n  Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\\n  Mem abort info:\\n    ESR = 0x0000000086000004\\n    EC = 0x21: IABT (current EL), IL = 32 bits\\n    SET = 0, FnV = 0\\n    EA = 0, S1PTW = 0\\n    FSC = 0x04: level 0 translation fault\\n  user pgtable: 4k pages, 48-bit VAs, pgdp=0000000101059000\\n  [0000000000000000] pgd=0000000000000000, p4d=0000000000000000\\n  Internal error: Oops: 0000000086000004 [#1] PREEMPT SMP\\n  Modules linked in:\\n  CPU: 2 PID: 371 Comm: qemu-system-aar Not tainted 6.8.0-rc7-gde77230ac23a #9\\n  Hardware name: linux,dummy-virt (DT)\\n  pstate: 81400809 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=-c)\\n  pc : 0x0\\n  lr : iommufd_hwpt_invalidate+0xa4/0x204\\n  sp : ffff800080f3bcc0\\n  x29: ffff800080f3bcf0 x28: ffff0000c369b300 x27: 0000000000000000\\n  x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000\\n  x23: 0000000000000000 x22: 00000000c1e334a0 x21: ffff0000c1e334a0\\n  x20: ffff800080f3bd38 x19: ffff800080f3bd58 x18: 0000000000000000\\n  x17: 0000000000000000 x16: 0000000000000000 x15: 0000ffff8240d6d8\\n  x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000\\n  x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000\\n  x8 : 0000001000000002 x7 : 0000fffeac1ec950 x6 : 0000000000000000\\n  x5 : ffff800080f3bd78 x4 : 0000000000000003 x3 : 0000000000000002\\n  x2 : 0000000000000000 x1 : ffff800080f3bcc8 x0 : ffff0000c6034d80\\n  Call trace:\\n   0x0\\n   iommufd_fops_ioctl+0x154/0x274\\n   __arm64_sys_ioctl+0xac/0xf0\\n   invoke_syscall+0x48/0x110\\n   el0_svc_common.constprop.0+0x40/0xe0\\n   do_el0_svc+0x1c/0x28\\n   el0_svc+0x34/0xb4\\n   el0t_64_sync_handler+0x120/0x12c\\n   el0t_64_sync+0x190/0x194\\n\\nAll existing drivers implement this op for nesting, this is mostly a\\nbisection aid.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.10\", \"versionStartIncluding\": \"6.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11\", \"versionStartIncluding\": \"6.8\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:37:15.820Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-46824\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:37:15.820Z\", \"dateReserved\": \"2024-09-11T15:12:18.285Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-09-27T12:39:24.563Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.