{ "id": "CVE-2024-26749", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-04-03T17:15:51.780", "lastModified": "2025-01-14T17:28:07.793", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: cdns3: fixed memory use after free at cdns3_gadget_ep_disable()\n\n ...\n cdns3_gadget_ep_free_request(&priv_ep->endpoint, &priv_req->request);\n list_del_init(&priv_req->list);\n ...\n\n'priv_req' actually free at cdns3_gadget_ep_free_request(). But\nlist_del_init() use priv_req->list after it.\n\n[ 1542.642868][ T534] BUG: KFENCE: use-after-free read in __list_del_entry_valid+0x10/0xd4\n[ 1542.642868][ T534]\n[ 1542.653162][ T534] Use-after-free read at 0x000000009ed0ba99 (in kfence-#3):\n[ 1542.660311][ T534] __list_del_entry_valid+0x10/0xd4\n[ 1542.665375][ T534] cdns3_gadget_ep_disable+0x1f8/0x388 [cdns3]\n[ 1542.671571][ T534] usb_ep_disable+0x44/0xe4\n[ 1542.675948][ T534] ffs_func_eps_disable+0x64/0xc8\n[ 1542.680839][ T534] ffs_func_set_alt+0x74/0x368\n[ 1542.685478][ T534] ffs_func_disable+0x18/0x28\n\nMove list_del_init() before cdns3_gadget_ep_free_request() to resolve this\nproblem." }, { "lang": "es", "value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: usb: cdns3: uso de memoria fijo despu\u00e9s de liberar en cdns3_gadget_ep_disable() ... cdns3_gadget_ep_free_request(&priv_ep->endpoint, &priv_req->request); list_del_init(&priv_req->lista); ... 'priv_req' en realidad es gratuito en cdns3_gadget_ep_free_request(). Pero list_del_init() usa priv_req->list despu\u00e9s. [ 1542.642868][ T534] ERROR: KFENCE: lectura de uso despu\u00e9s de liberaci\u00f3n en __list_del_entry_valid+0x10/0xd4 [ 1542.642868][ T534] [ 1542.653162][ T534] Lectura de uso despu\u00e9s de liberaci\u00f3n en 0x000000009ed0ba99 (en kfence-#3 ): [ 1542.660311][ T534] __list_del_entry_valid+0x10/0xd4 [ 1542.665375][ T534] cdns3_gadget_ep_disable+0x1f8/0x388 [cdns3] [ 1542.671571][ T534] usb_ep_disable+0x44/0x e4 [ 1542.675948][ T534] ffs_func_eps_disable+0x64/0xc8 [ 1542.680839] [ T534] ffs_func_set_alt+0x74/0x368 [ 1542.685478][ T534] ffs_func_disable+0x18/0x28 Mueva list_del_init() antes de cdns3_gadget_ep_free_request() para resolver este problema." } ], "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:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.9 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-416" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "5.4.270", "matchCriteriaId": "AB9FB43C-52F9-4B49-B6C0-160353C9C9AF" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "5.10.211", "matchCriteriaId": "7DDA4DCF-671D-415D-94DF-6E3C77DF0704" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.15.150", "matchCriteriaId": "CB6C60DE-9E0C-46C5-904D-D4F4031F8E95" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.1.80", "matchCriteriaId": "BA7850CE-97C9-4408-A348-6173296BCA2B" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.6.19", "matchCriteriaId": "8D82004C-B2AE-4048-9344-32EFF65953B0" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.7.7", "matchCriteriaId": "575EE16B-67F2-4B5B-B5F8-1877715C898B" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*", "matchCriteriaId": "B9F4EA73-0894-400F-A490-3A397AB7A517" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*", "matchCriteriaId": "056BD938-0A27-4569-B391-30578B309EE3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:*", "matchCriteriaId": "F02056A5-B362-4370-9FF8-6F0BD384D520" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc4:*:*:*:*:*:*", "matchCriteriaId": "62075ACE-B2A0-4B16-829D-B3DA5AE5CC41" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc5:*:*:*:*:*:*", "matchCriteriaId": "A780F817-2A77-4130-A9B7-5C25606314E3" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/2134e9906e17b1e5284300fab547869ebacfd7d9", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/29e42e1578a10c611b3f1a38f3229b2d664b5d16", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/4e5c73b15d95452c1ba9c771dd013a3fbe052ff3", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/9a07244f614bc417de527b799da779dcae780b5d", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/b40328eea93c75a5645891408010141a0159f643", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/cd45f99034b0c8c9cb346dd0d6407a95ca3d36f6", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/cfa9abb5570c489dabf6f7fb3a066cc576fc8824", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/2134e9906e17b1e5284300fab547869ebacfd7d9", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/29e42e1578a10c611b3f1a38f3229b2d664b5d16", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/4e5c73b15d95452c1ba9c771dd013a3fbe052ff3", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/9a07244f614bc417de527b799da779dcae780b5d", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/b40328eea93c75a5645891408010141a0159f643", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/cd45f99034b0c8c9cb346dd0d6407a95ca3d36f6", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/cfa9abb5570c489dabf6f7fb3a066cc576fc8824", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List" ] } ] }