{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-28T22:11:30.096","vulnerabilities":[{"cve":{"id":"CVE-2024-26748","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-04-03T17:15:51.727","lastModified":"2025-01-14T17:27:49.057","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: cdns3: fix memory double free when handle zero packet\n\n829  if (request->complete) {\n830          spin_unlock(&priv_dev->lock);\n831          usb_gadget_giveback_request(&priv_ep->endpoint,\n832                                    request);\n833          spin_lock(&priv_dev->lock);\n834  }\n835\n836  if (request->buf == priv_dev->zlp_buf)\n837      cdns3_gadget_ep_free_request(&priv_ep->endpoint, request);\n\nDriver append an additional zero packet request when queue a packet, which\nlength mod max packet size is 0. When transfer complete, run to line 831,\nusb_gadget_giveback_request() will free this requestion. 836 condition is\ntrue, so cdns3_gadget_ep_free_request() free this request again.\n\nLog:\n\n[ 1920.140696][  T150] BUG: KFENCE: use-after-free read in cdns3_gadget_giveback+0x134/0x2c0 [cdns3]\n[ 1920.140696][  T150]\n[ 1920.151837][  T150] Use-after-free read at 0x000000003d1cd10b (in kfence-#36):\n[ 1920.159082][  T150]  cdns3_gadget_giveback+0x134/0x2c0 [cdns3]\n[ 1920.164988][  T150]  cdns3_transfer_completed+0x438/0x5f8 [cdns3]\n\nAdd check at line 829, skip call usb_gadget_giveback_request() if it is\nadditional zero length packet request. Needn't call\nusb_gadget_giveback_request() because it is allocated in this driver."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: cdns3: corrige la memoria doblemente libre cuando se maneja el paquete cero 829 if (request->complete) { 830 spin_unlock(&priv_dev->lock); 831 usb_gadget_giveback_request(&priv_ep->endpoint, solicitud 832); 833 spin_lock(&priv_dev->lock); 834 } 835 836 if (solicitud->buf == priv_dev->zlp_buf) 837 cdns3_gadget_ep_free_request(&priv_ep->endpoint, solicitud); El controlador agrega una solicitud de paquete cero adicional cuando pone en cola un paquete, cuya longitud mod tamaño máximo del paquete es 0. Cuando se complete la transferencia, ejecute la línea 831, usb_gadget_giveback_request() liberará esta solicitud. La condición 836 es verdadera, por lo que cdns3_gadget_ep_free_request() libera esta solicitud nuevamente. Registro: [1920.140696][ T150] ERROR: KFENCE: lectura de uso después de liberación en cdns3_gadget_giveback+0x134/0x2c0 [cdns3] [ 1920.140696][ T150] [ 1920.151837][ T150] Lectura de uso después de liberación en 0x000000003d 1cd10b (en kcerca -#36): [ 1920.159082][ T150] cdns3_gadget_giveback+0x134/0x2c0 [cdns3] [ 1920.164988][ T150] cdns3_transfer_completed+0x438/0x5f8 [cdns3] Agregar cheque en la línea 829, omitir llamada usb_gadget_giveback_ request() si tiene una longitud cero adicional solicitud de paquete. No es necesario llamar a usb_gadget_giveback_request() porque está asignado en este controlador."}],"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-415"}]}],"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/1e204a8e9eb514e22a6567fb340ebb47df3f3a48","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/3a2a909942b5335b7ea66366d84261b3ed5f89c8","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/5fd9e45f1ebcd57181358af28506e8a661a260b3","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/70e8038813f9d3e72df966748ebbc40efe466019","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/92d20406a3d4ff3e8be667c79209dc9ed31df5b3","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/9a52b694b066f299d8b9800854a8503457a8b64c","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/aad6132ae6e4809e375431f8defd1521985e44e7","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/1e204a8e9eb514e22a6567fb340ebb47df3f3a48","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/3a2a909942b5335b7ea66366d84261b3ed5f89c8","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/5fd9e45f1ebcd57181358af28506e8a661a260b3","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/70e8038813f9d3e72df966748ebbc40efe466019","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/92d20406a3d4ff3e8be667c79209dc9ed31df5b3","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/9a52b694b066f299d8b9800854a8503457a8b64c","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/aad6132ae6e4809e375431f8defd1521985e44e7","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"]}]}}]}