cve-2024-35920
Vulnerability from cvelistv5
Published
2024-05-19 10:10
Modified
2024-11-05 09:25
Severity ?
Summary
media: mediatek: vcodec: adding lock to protect decoder context list
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0a2dc707aa42214f9c4827bd57e344e29a0841d6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/23aaf824121055ba81b55f75444355bd83c8eb38
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6467cda18c9f9b5f2f9a0aa1e2861c653e41f382
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0a2dc707aa42214f9c4827bd57e344e29a0841d6
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/23aaf824121055ba81b55f75444355bd83c8eb38
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6467cda18c9f9b5f2f9a0aa1e2861c653e41f382
Impacted products
Vendor Product Version
Linux Linux Version: 6.6
Show details on NVD website

To clipboard 

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                "id": "CVE-2024-35920",
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                "role": "CISA Coordinator",
                "timestamp": "2024-06-17T17:38:32.899934Z",
                "version": "2.0.3"
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          "dateUpdated": "2024-06-17T17:41:01.161Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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          "dateUpdated": "2024-08-02T03:21:49.045Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "title": "CVE Program Container"
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    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c",
            "drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c",
            "drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h",
            "drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
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          "product": "Linux",
          "programFiles": [
            "drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c",
            "drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c",
            "drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h",
            "drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c"
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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              "version": "0",
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              "version": "6.6.27",
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              "version": "6.8.6",
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              "version": "6.9",
              "versionType": "original_commit_for_fix"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: mediatek: vcodec: adding lock to protect decoder context list\n\nAdd a lock for the ctx_list, to avoid accessing a NULL pointer\nwithin the \u0027vpu_dec_ipi_handler\u0027 function when the ctx_list has\nbeen deleted due to an unexpected behavior on the SCP IP block.\n\nHardware name: Google juniper sku16 board (DT)\npstate: 20400005 (nzCv daif +PAN -UAO -TCO BTYPE=--)\npc : vpu_dec_ipi_handler+0x58/0x1f8 [mtk_vcodec_dec]\nlr : scp_ipi_handler+0xd0/0x194 [mtk_scp]\nsp : ffffffc0131dbbd0\nx29: ffffffc0131dbbd0 x28: 0000000000000000\nx27: ffffff9bb277f348 x26: ffffff9bb242ad00\nx25: ffffffd2d440d3b8 x24: ffffffd2a13ff1d4\nx23: ffffff9bb7fe85a0 x22: ffffffc0133fbdb0\nx21: 0000000000000010 x20: ffffff9b050ea328\nx19: ffffffc0131dbc08 x18: 0000000000001000\nx17: 0000000000000000 x16: ffffffd2d461c6e0\nx15: 0000000000000242 x14: 000000000000018f\nx13: 000000000000004d x12: 0000000000000000\nx11: 0000000000000001 x10: fffffffffffffff0\nx9 : ffffff9bb6e793a8 x8 : 0000000000000000\nx7 : 0000000000000000 x6 : 000000000000003f\nx5 : 0000000000000040 x4 : fffffffffffffff0\nx3 : 0000000000000020 x2 : ffffff9bb6e79080\nx1 : 0000000000000010 x0 : ffffffc0131dbc08\nCall trace:\nvpu_dec_ipi_handler+0x58/0x1f8 [mtk_vcodec_dec (HASH:6c3f 2)]\nscp_ipi_handler+0xd0/0x194 [mtk_scp (HASH:7046 3)]\nmt8183_scp_irq_handler+0x44/0x88 [mtk_scp (HASH:7046 3)]\nscp_irq_handler+0x48/0x90 [mtk_scp (HASH:7046 3)]\nirq_thread_fn+0x38/0x94\nirq_thread+0x100/0x1c0\nkthread+0x140/0x1fc\nret_from_fork+0x10/0x30\nCode: 54000088 f94ca50a eb14015f 54000060 (f9400108)\n---[ end trace ace43ce36cbd5c93 ]---\nKernel panic - not syncing: Oops: Fatal exception\nSMP: stopping secondary CPUs\nKernel Offset: 0x12c4000000 from 0xffffffc010000000\nPHYS_OFFSET: 0xffffffe580000000\nCPU features: 0x08240002,2188200c\nMemory Limit: none"
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        "dateUpdated": "2024-11-05T09:25:03.444Z",
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        "shortName": "Linux"
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      "title": "media: mediatek: vcodec: adding lock to protect decoder context list",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-35920",
    "datePublished": "2024-05-19T10:10:32.379Z",
    "dateReserved": "2024-05-17T13:50:33.124Z",
    "dateUpdated": "2024-11-05T09:25:03.444Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-35920\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-19T11:15:48.373\",\"lastModified\":\"2024-11-21T09:21:12.443\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmedia: mediatek: vcodec: adding lock to protect decoder context list\\n\\nAdd a lock for the ctx_list, to avoid accessing a NULL pointer\\nwithin the \u0027vpu_dec_ipi_handler\u0027 function when the ctx_list has\\nbeen deleted due to an unexpected behavior on the SCP IP block.\\n\\nHardware name: Google juniper sku16 board (DT)\\npstate: 20400005 (nzCv daif +PAN -UAO -TCO BTYPE=--)\\npc : vpu_dec_ipi_handler+0x58/0x1f8 [mtk_vcodec_dec]\\nlr : scp_ipi_handler+0xd0/0x194 [mtk_scp]\\nsp : ffffffc0131dbbd0\\nx29: ffffffc0131dbbd0 x28: 0000000000000000\\nx27: ffffff9bb277f348 x26: ffffff9bb242ad00\\nx25: ffffffd2d440d3b8 x24: ffffffd2a13ff1d4\\nx23: ffffff9bb7fe85a0 x22: ffffffc0133fbdb0\\nx21: 0000000000000010 x20: ffffff9b050ea328\\nx19: ffffffc0131dbc08 x18: 0000000000001000\\nx17: 0000000000000000 x16: ffffffd2d461c6e0\\nx15: 0000000000000242 x14: 000000000000018f\\nx13: 000000000000004d x12: 0000000000000000\\nx11: 0000000000000001 x10: fffffffffffffff0\\nx9 : ffffff9bb6e793a8 x8 : 0000000000000000\\nx7 : 0000000000000000 x6 : 000000000000003f\\nx5 : 0000000000000040 x4 : fffffffffffffff0\\nx3 : 0000000000000020 x2 : ffffff9bb6e79080\\nx1 : 0000000000000010 x0 : ffffffc0131dbc08\\nCall trace:\\nvpu_dec_ipi_handler+0x58/0x1f8 [mtk_vcodec_dec (HASH:6c3f 2)]\\nscp_ipi_handler+0xd0/0x194 [mtk_scp (HASH:7046 3)]\\nmt8183_scp_irq_handler+0x44/0x88 [mtk_scp (HASH:7046 3)]\\nscp_irq_handler+0x48/0x90 [mtk_scp (HASH:7046 3)]\\nirq_thread_fn+0x38/0x94\\nirq_thread+0x100/0x1c0\\nkthread+0x140/0x1fc\\nret_from_fork+0x10/0x30\\nCode: 54000088 f94ca50a eb14015f 54000060 (f9400108)\\n---[ end trace ace43ce36cbd5c93 ]---\\nKernel panic - not syncing: Oops: Fatal exception\\nSMP: stopping secondary CPUs\\nKernel Offset: 0x12c4000000 from 0xffffffc010000000\\nPHYS_OFFSET: 0xffffffe580000000\\nCPU features: 0x08240002,2188200c\\nMemory Limit: none\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: mediatek: vcodec: agregar bloqueo para proteger la lista de contexto del decodificador. Agregue un bloqueo para ctx_list, para evitar acceder a un puntero NULL dentro de la funci\u00f3n \u0027vpu_dec_ipi_handler\u0027 cuando se ha eliminado ctx_list debido a un comportamiento inesperado en el bloque de IP de SCP. Nombre del hardware: placa Google Juniper sku16 (DT) pstate: 20400005 (nzCv daif +PAN -UAO -TCO BTYPE=--) pc: vpu_dec_ipi_handler+0x58/0x1f8 [mtk_vcodec_dec] lr: scp_ipi_handler+0xd0/0x194 [mtk_scp] sp: 31dbbd0 x29: ffffffc0131dbbd0 x28: 0000000000000000 x27: ffffff9bb277f348 x26: ffffff9bb242ad00 x25: ffffffd2d440d3b8 x24: ffffffd2a13ff1d4 x23: ffffff9bb7fe85a0 22: ffffffc0133fbdb0 x21: 0000000000000010 x20: ffffff9b050ea328 x19: ffffffc0131dbc08 x18: 0000000000001000 x17: 0000000000000000 x16: 461c6e0 x15: 0000000000000242 x14: 000000000000018f x13: 000000000000004d x12: 0000000000000000 x11: 0000000000000001 x10: fffffffffffffff0 x9: ffffff9bb6e793a8 x8: 0000000000000000 x7: 00000000000 00000 x6: 000000000000003f x5: 0000000000000040 x4: fffffffffffffff0 x3: 0000000000000020 x2: ffffff9bb6e79080 x1: 0000000000000010 x0: ffffffc013 1dbc08 Rastreo de llamadas: vpu_dec_ipi_handler+0x58/0x1f8 [mtk_vcodec_dec (HASH:6c3f 2)] scp_ipi_handler+0xd0/0x194 [mtk_scp (HASH:7046 3)] mt8183_scp_irq_handler+0x44/0x88 [mtk_scp (HASH:7046 3)] scp_irq_handler+0x48/0x90 (HASH:7046 3)] irq_thread_fn +0x38/0x94 irq_thread+0x100/0x1c0 kthread+0x140/0x1fc ret_from_fork+0x10/0x30 C\u00f3digo: 54000088 f94ca50a eb14015f 54000060 (f9400108) ---[ end trace ace43ce36cbd5c93 ] --- P\u00e1nico del kernel: no se sincroniza: Ups: excepci\u00f3n fatal SMP : detener CPU secundarias Desplazamiento del kernel: 0x12c4000000 de 0xffffffc010000000 PHYS_OFFSET: 0xffffffe580000000 Caracter\u00edsticas de la CPU: 0x08240002,2188200c L\u00edmite de memoria: ninguno\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0a2dc707aa42214f9c4827bd57e344e29a0841d6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/23aaf824121055ba81b55f75444355bd83c8eb38\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6467cda18c9f9b5f2f9a0aa1e2861c653e41f382\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/0a2dc707aa42214f9c4827bd57e344e29a0841d6\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/23aaf824121055ba81b55f75444355bd83c8eb38\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/6467cda18c9f9b5f2f9a0aa1e2861c653e41f382\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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