CVE-2022-49741 (GCVE-0-2022-49741)

Vulnerability from cvelistv5 – Published: 2025-03-27 16:42 – Updated: 2026-05-23 15:22
VLAI
Title
fbdev: smscufx: fix error handling code in ufx_usb_probe
Summary
In the Linux kernel, the following vulnerability has been resolved: fbdev: smscufx: fix error handling code in ufx_usb_probe The current error handling code in ufx_usb_probe have many unmatching issues, e.g., missing ufx_free_usb_list, destroy_modedb label should only include framebuffer_release, fb_dealloc_cmap only matches fb_alloc_cmap. My local syzkaller reports a memory leak bug: memory leak in ufx_usb_probe BUG: memory leak unreferenced object 0xffff88802f879580 (size 128): comm "kworker/0:7", pid 17416, jiffies 4295067474 (age 46.710s) hex dump (first 32 bytes): 80 21 7c 2e 80 88 ff ff 18 d0 d0 0c 80 88 ff ff .!|............. 00 d0 d0 0c 80 88 ff ff e0 ff ff ff 0f 00 00 00 ................ backtrace: [<ffffffff814c99a0>] kmalloc_trace+0x20/0x90 mm/slab_common.c:1045 [<ffffffff824d219c>] kmalloc include/linux/slab.h:553 [inline] [<ffffffff824d219c>] kzalloc include/linux/slab.h:689 [inline] [<ffffffff824d219c>] ufx_alloc_urb_list drivers/video/fbdev/smscufx.c:1873 [inline] [<ffffffff824d219c>] ufx_usb_probe+0x11c/0x15a0 drivers/video/fbdev/smscufx.c:1655 [<ffffffff82d17927>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [<ffffffff82712f0d>] call_driver_probe drivers/base/dd.c:560 [inline] [<ffffffff82712f0d>] really_probe+0x12d/0x390 drivers/base/dd.c:639 [<ffffffff8271322f>] __driver_probe_device+0xbf/0x140 drivers/base/dd.c:778 [<ffffffff827132da>] driver_probe_device+0x2a/0x120 drivers/base/dd.c:808 [<ffffffff82713c27>] __device_attach_driver+0xf7/0x150 drivers/base/dd.c:936 [<ffffffff82710137>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:427 [<ffffffff827136b5>] __device_attach+0x105/0x2d0 drivers/base/dd.c:1008 [<ffffffff82711d36>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:487 [<ffffffff8270e242>] device_add+0x642/0xdc0 drivers/base/core.c:3517 [<ffffffff82d14d5f>] usb_set_configuration+0x8ef/0xb80 drivers/usb/core/message.c:2170 [<ffffffff82d2576c>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238 [<ffffffff82d16ffc>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293 [<ffffffff82712f0d>] call_driver_probe drivers/base/dd.c:560 [inline] [<ffffffff82712f0d>] really_probe+0x12d/0x390 drivers/base/dd.c:639 [<ffffffff8271322f>] __driver_probe_device+0xbf/0x140 drivers/base/dd.c:778 Fix this bug by rewriting the error handling code in ufx_usb_probe.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 5385af2f89bc352fb70753ab41b2bb036190141f , < 3b3d3127f5b4291ae4caaf50f7b66089ad600480 (git)
Affected: d9ddfeb01fb95ffbbc7031d46a5ee2a5e45cbb86 , < 3931014367ef31d26af65386a4ca496f50f0cfdf (git)
Affected: cc6a7249842fceda7574ceb63275a2d5e99d2862 , < 64fa364ad3245508d393e16ed4886f92d7eb423c (git)
Affected: cc67482c9e5f2c80d62f623bcc347c29f9f648e1 , < 1b4c08844628dfc8d72d3f51b657f2a5e63b7b4b (git)
Affected: cc67482c9e5f2c80d62f623bcc347c29f9f648e1 , < b76449ee75e21acfe9fa4c653d8598f191ed7d68 (git)
Affected: 6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953f (git)
Affected: 3f40852d671072836fb7ae331a1f28a24223c4e8 (git)
Affected: 70faf9d9b6cc74418716bbf76fe75bd2da10ad4a (git)
Affected: 8d924b262f3178a9b17c17d4306a9f426c508bd9 (git)
Affected: 5.4.223 , < 5.4.232 (semver)
Affected: 5.10.153 , < 5.10.168 (semver)
Affected: 5.15.77 , < 5.15.93 (semver)
Affected: 4.9.332 , < 4.10 (semver)
Affected: 4.14.298 , < 4.15 (semver)
Affected: 4.19.264 , < 4.20 (semver)
Affected: 6.0.7 , < 6.1 (semver)
Create a notification for this product.
Linux Linux Affected: 6.1
Unaffected: 0 , < 6.1 (semver)
Unaffected: 5.4.232 , ≤ 5.4.* (semver)
Unaffected: 5.10.168 , ≤ 5.10.* (semver)
Unaffected: 5.15.93 , ≤ 5.15.* (semver)
Unaffected: 6.1.11 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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              "userInteraction": "NONE",
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: smscufx: fix error handling code in ufx_usb_probe\n\nThe current error handling code in ufx_usb_probe have many unmatching\nissues, e.g., missing ufx_free_usb_list, destroy_modedb label should\nonly include framebuffer_release, fb_dealloc_cmap only matches\nfb_alloc_cmap.\n\nMy local syzkaller reports a memory leak bug:\n\nmemory leak in ufx_usb_probe\n\nBUG: memory leak\nunreferenced object 0xffff88802f879580 (size 128):\n  comm \"kworker/0:7\", pid 17416, jiffies 4295067474 (age 46.710s)\n  hex dump (first 32 bytes):\n    80 21 7c 2e 80 88 ff ff 18 d0 d0 0c 80 88 ff ff  .!|.............\n    00 d0 d0 0c 80 88 ff ff e0 ff ff ff 0f 00 00 00  ................\n  backtrace:\n    [\u003cffffffff814c99a0\u003e] kmalloc_trace+0x20/0x90 mm/slab_common.c:1045\n    [\u003cffffffff824d219c\u003e] kmalloc include/linux/slab.h:553 [inline]\n    [\u003cffffffff824d219c\u003e] kzalloc include/linux/slab.h:689 [inline]\n    [\u003cffffffff824d219c\u003e] ufx_alloc_urb_list drivers/video/fbdev/smscufx.c:1873 [inline]\n    [\u003cffffffff824d219c\u003e] ufx_usb_probe+0x11c/0x15a0 drivers/video/fbdev/smscufx.c:1655\n    [\u003cffffffff82d17927\u003e] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396\n    [\u003cffffffff82712f0d\u003e] call_driver_probe drivers/base/dd.c:560 [inline]\n    [\u003cffffffff82712f0d\u003e] really_probe+0x12d/0x390 drivers/base/dd.c:639\n    [\u003cffffffff8271322f\u003e] __driver_probe_device+0xbf/0x140 drivers/base/dd.c:778\n    [\u003cffffffff827132da\u003e] driver_probe_device+0x2a/0x120 drivers/base/dd.c:808\n    [\u003cffffffff82713c27\u003e] __device_attach_driver+0xf7/0x150 drivers/base/dd.c:936\n    [\u003cffffffff82710137\u003e] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:427\n    [\u003cffffffff827136b5\u003e] __device_attach+0x105/0x2d0 drivers/base/dd.c:1008\n    [\u003cffffffff82711d36\u003e] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:487\n    [\u003cffffffff8270e242\u003e] device_add+0x642/0xdc0 drivers/base/core.c:3517\n    [\u003cffffffff82d14d5f\u003e] usb_set_configuration+0x8ef/0xb80 drivers/usb/core/message.c:2170\n    [\u003cffffffff82d2576c\u003e] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238\n    [\u003cffffffff82d16ffc\u003e] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293\n    [\u003cffffffff82712f0d\u003e] call_driver_probe drivers/base/dd.c:560 [inline]\n    [\u003cffffffff82712f0d\u003e] really_probe+0x12d/0x390 drivers/base/dd.c:639\n    [\u003cffffffff8271322f\u003e] __driver_probe_device+0xbf/0x140 drivers/base/dd.c:778\n\nFix this bug by rewriting the error handling code in ufx_usb_probe."
        }
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      "providerMetadata": {
        "dateUpdated": "2026-05-23T15:22:49.418Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/3b3d3127f5b4291ae4caaf50f7b66089ad600480"
        },
        {
          "url": "https://git.kernel.org/stable/c/3931014367ef31d26af65386a4ca496f50f0cfdf"
        },
        {
          "url": "https://git.kernel.org/stable/c/64fa364ad3245508d393e16ed4886f92d7eb423c"
        },
        {
          "url": "https://git.kernel.org/stable/c/1b4c08844628dfc8d72d3f51b657f2a5e63b7b4b"
        },
        {
          "url": "https://git.kernel.org/stable/c/b76449ee75e21acfe9fa4c653d8598f191ed7d68"
        }
      ],
      "title": "fbdev: smscufx: fix error handling code in ufx_usb_probe",
      "x_generator": {
        "engine": "bippy-1.2.0"
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49741",
    "datePublished": "2025-03-27T16:42:52.994Z",
    "dateReserved": "2025-03-27T16:39:17.986Z",
    "dateUpdated": "2026-05-23T15:22:49.418Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-49741",
      "date": "2026-07-22",
      "epss": "0.00178",
      "percentile": "0.0755"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49741\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-03-27T17:15:38.720\",\"lastModified\":\"2026-06-17T05:19:00.953\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nfbdev: smscufx: fix error handling code in ufx_usb_probe\\n\\nThe current error handling code in ufx_usb_probe have many unmatching\\nissues, e.g., missing ufx_free_usb_list, destroy_modedb label should\\nonly include framebuffer_release, fb_dealloc_cmap only matches\\nfb_alloc_cmap.\\n\\nMy local syzkaller reports a memory leak bug:\\n\\nmemory leak in ufx_usb_probe\\n\\nBUG: memory leak\\nunreferenced object 0xffff88802f879580 (size 128):\\n  comm \\\"kworker/0:7\\\", pid 17416, jiffies 4295067474 (age 46.710s)\\n  hex dump (first 32 bytes):\\n    80 21 7c 2e 80 88 ff ff 18 d0 d0 0c 80 88 ff ff  .!|.............\\n    00 d0 d0 0c 80 88 ff ff e0 ff ff ff 0f 00 00 00  ................\\n  backtrace:\\n    [\u003cffffffff814c99a0\u003e] kmalloc_trace+0x20/0x90 mm/slab_common.c:1045\\n    [\u003cffffffff824d219c\u003e] kmalloc include/linux/slab.h:553 [inline]\\n    [\u003cffffffff824d219c\u003e] kzalloc include/linux/slab.h:689 [inline]\\n    [\u003cffffffff824d219c\u003e] ufx_alloc_urb_list drivers/video/fbdev/smscufx.c:1873 [inline]\\n    [\u003cffffffff824d219c\u003e] ufx_usb_probe+0x11c/0x15a0 drivers/video/fbdev/smscufx.c:1655\\n    [\u003cffffffff82d17927\u003e] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396\\n    [\u003cffffffff82712f0d\u003e] call_driver_probe drivers/base/dd.c:560 [inline]\\n    [\u003cffffffff82712f0d\u003e] really_probe+0x12d/0x390 drivers/base/dd.c:639\\n    [\u003cffffffff8271322f\u003e] __driver_probe_device+0xbf/0x140 drivers/base/dd.c:778\\n    [\u003cffffffff827132da\u003e] driver_probe_device+0x2a/0x120 drivers/base/dd.c:808\\n    [\u003cffffffff82713c27\u003e] __device_attach_driver+0xf7/0x150 drivers/base/dd.c:936\\n    [\u003cffffffff82710137\u003e] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:427\\n    [\u003cffffffff827136b5\u003e] __device_attach+0x105/0x2d0 drivers/base/dd.c:1008\\n    [\u003cffffffff82711d36\u003e] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:487\\n    [\u003cffffffff8270e242\u003e] device_add+0x642/0xdc0 drivers/base/core.c:3517\\n    [\u003cffffffff82d14d5f\u003e] usb_set_configuration+0x8ef/0xb80 drivers/usb/core/message.c:2170\\n    [\u003cffffffff82d2576c\u003e] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238\\n    [\u003cffffffff82d16ffc\u003e] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293\\n    [\u003cffffffff82712f0d\u003e] call_driver_probe drivers/base/dd.c:560 [inline]\\n    [\u003cffffffff82712f0d\u003e] really_probe+0x12d/0x390 drivers/base/dd.c:639\\n    [\u003cffffffff8271322f\u003e] __driver_probe_device+0xbf/0x140 drivers/base/dd.c:778\\n\\nFix this bug by rewriting the error handling code in ufx_usb_probe.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: fbdev: smscufx: corrige el c\u00f3digo de gesti\u00f3n de errores en ufx_usb_probe El c\u00f3digo de manejo de errores actual en ufx_usb_probe tiene muchos problemas que no coinciden, por ejemplo, falta ufx_free_usb_list, la etiqueta destroy_modedb solo debe incluir framebuffer_release, fb_dealloc_cmap solo coincide con fb_alloc_cmap. Mi syzkaller local informa de un error de p\u00e9rdida de memoria: p\u00e9rdida de memoria en ufx_usb_probe ERROR: p\u00e9rdida de memoria objeto no referenciado 0xffff88802f879580 (tama\u00f1o 128): comm \\\"kworker/0:7\\\", pid 17416, jiffies 4295067474 (edad 46.710s) volcado hexadecimal (primeros 32 bytes): 80 21 7c 2e 80 88 ff ff 18 d0 d0 0c 80 88 ff ff .!|............. 00 d0 d0 0c 80 88 ff ff e0 ff ff ff 0f 00 00 00 ................ backtrace: [] kmalloc_trace+0x20/0x90 mm/slab_common.c:1045 [] kmalloc include/linux/slab.h:553 [en l\u00ednea] [] kzalloc include/linux/slab.h:689 [en l\u00ednea] [] ufx_alloc_urb_list drivers/video/fbdev/smscufx.c:1873 [en l\u00ednea] [] ufx_usb_probe+0x11c/0x15a0 drivers/video/fbdev/smscufx.c:1655 [] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [] sonda_de_controlador_de_llamada controladores/base/dd.c:560 [en l\u00ednea] [] sonda_realmente+0x12d/0x390 controladores/base/dd.c:639 [] dispositivo_sonda_de_controlador+0xbf/0x140 controladores/base/dd.c:778 [] dispositivo_sonda_de_controlador+0x2a/0x120 controladores/base/dd.c:808 [] controlador_adjunto_de_dispositivo+0xf7/0x150 controladores/base/dd.c:936 [] bus_para_cada_unidad+0xb7/0x100 controladores/base/bus.c:427 [] __adjunto_dispositivo+0x105/0x2d0 controladores/base/dd.c:1008 [] dispositivo_sonda_bus+0xc6/0xe0 controladores/base/bus.c:487 [] adici\u00f3n_dispositivo+0x642/0xdc0 controladores/base/n\u00facleo.c:3517 [] configuraci\u00f3n_establecida_usb+0x8ef/0xb80 controladores/usb/n\u00facleo/mensaje.c:2170 [] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238 [] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293 [] call_driver_probe drivers/base/dd.c:560 [en l\u00ednea] [] really_probe+0x12d/0x390 drivers/base/dd.c:639 [] __driver_probe_device+0xbf/0x140 drivers/base/dd.c:778 Corrija este error reescribiendo el c\u00f3digo de gesti\u00f3n de errores en ufx_usb_probe.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/video/fbdev/smscufx.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5385af2f89bc352fb70753ab41b2bb036190141f\",\"lessThan\":\"3b3d3127f5b4291ae4caaf50f7b66089ad600480\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d9ddfeb01fb95ffbbc7031d46a5ee2a5e45cbb86\",\"lessThan\":\"3931014367ef31d26af65386a4ca496f50f0cfdf\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"cc6a7249842fceda7574ceb63275a2d5e99d2862\",\"lessThan\":\"64fa364ad3245508d393e16ed4886f92d7eb423c\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"cc67482c9e5f2c80d62f623bcc347c29f9f648e1\",\"lessThan\":\"1b4c08844628dfc8d72d3f51b657f2a5e63b7b4b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"cc67482c9e5f2c80d62f623bcc347c29f9f648e1\",\"lessThan\":\"b76449ee75e21acfe9fa4c653d8598f191ed7d68\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953f\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"3f40852d671072836fb7ae331a1f28a24223c4e8\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"70faf9d9b6cc74418716bbf76fe75bd2da10ad4a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"8d924b262f3178a9b17c17d4306a9f426c508bd9\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5.4.223\",\"lessThan\":\"5.4.232\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"5.10.153\",\"lessThan\":\"5.10.168\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"5.15.77\",\"lessThan\":\"5.15.93\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"4.9.332\",\"lessThan\":\"4.10\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"4.14.298\",\"lessThan\":\"4.15\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"4.19.264\",\"lessThan\":\"4.20\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"6.0.7\",\"lessThan\":\"6.1\",\"versionType\":\"semver\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/video/fbdev/smscufx.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"6.1\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"6.1\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.232\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.168\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.93\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.11\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.2\",\"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},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"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\":\"2025-10-01T17:36:16.841127Z\",\"id\":\"CVE-2022-49741\",\"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-401\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.4.232\",\"matchCriteriaId\":\"B50AC354-4651-4CDE-8EA9-58A9A917F725\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.168\",\"matchCriteriaId\":\"12258A3F-04BD-49C9-9C6B-D3C1945E8910\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.93\",\"matchCriteriaId\":\"98FAC10E-42A0-4372-B1A0-A49CF672890E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.11\",\"matchCriteriaId\":\"535D03F4-DA02-49FE-934E-668827E6407B\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1b4c08844628dfc8d72d3f51b657f2a5e63b7b4b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3931014367ef31d26af65386a4ca496f50f0cfdf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3b3d3127f5b4291ae4caaf50f7b66089ad600480\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/64fa364ad3245508d393e16ed4886f92d7eb423c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b76449ee75e21acfe9fa4c653d8598f191ed7d68\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-30T10:23:33+00:00",
      "cve": "CVE-2022-49741",
      "id": "CVE-2022-49741",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: fbdev: smscufx: fix error handling code in ufx_usb_probe",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49741.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-05-27T04:42:39Z",
      "cve": "CVE-2022-49741",
      "id": "CVE-2022-49741",
      "initial_release_date": "2025-03-28T03:41:03Z",
      "product_status:known_affected": "402",
      "product_status:known_not_affected": "160",
      "product_status:recommended": "197",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-49741",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49741.json",
      "version": "36"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-49741\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-10-01T17:36:16.841127Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-401\", \"description\": \"CWE-401 Missing Release of Memory after Effective Lifetime\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-10-01T16:59:01.412Z\"}}], \"cna\": {\"title\": \"fbdev: smscufx: fix error handling code in ufx_usb_probe\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5385af2f89bc352fb70753ab41b2bb036190141f\", \"lessThan\": \"3b3d3127f5b4291ae4caaf50f7b66089ad600480\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d9ddfeb01fb95ffbbc7031d46a5ee2a5e45cbb86\", \"lessThan\": \"3931014367ef31d26af65386a4ca496f50f0cfdf\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"cc6a7249842fceda7574ceb63275a2d5e99d2862\", \"lessThan\": \"64fa364ad3245508d393e16ed4886f92d7eb423c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"cc67482c9e5f2c80d62f623bcc347c29f9f648e1\", \"lessThan\": \"1b4c08844628dfc8d72d3f51b657f2a5e63b7b4b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"cc67482c9e5f2c80d62f623bcc347c29f9f648e1\", \"lessThan\": \"b76449ee75e21acfe9fa4c653d8598f191ed7d68\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"3f40852d671072836fb7ae331a1f28a24223c4e8\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"70faf9d9b6cc74418716bbf76fe75bd2da10ad4a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"8d924b262f3178a9b17c17d4306a9f426c508bd9\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5.4.223\", \"lessThan\": \"5.4.232\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"5.10.153\", \"lessThan\": \"5.10.168\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"5.15.77\", \"lessThan\": \"5.15.93\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"4.9.332\", \"lessThan\": \"4.10\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"4.14.298\", \"lessThan\": \"4.15\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"4.19.264\", \"lessThan\": \"4.20\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"6.0.7\", \"lessThan\": \"6.1\", \"versionType\": \"semver\"}], \"programFiles\": [\"drivers/video/fbdev/smscufx.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.1\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.1\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.4.232\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.168\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.93\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.11\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.2\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/video/fbdev/smscufx.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/3b3d3127f5b4291ae4caaf50f7b66089ad600480\"}, {\"url\": \"https://git.kernel.org/stable/c/3931014367ef31d26af65386a4ca496f50f0cfdf\"}, {\"url\": \"https://git.kernel.org/stable/c/64fa364ad3245508d393e16ed4886f92d7eb423c\"}, {\"url\": \"https://git.kernel.org/stable/c/1b4c08844628dfc8d72d3f51b657f2a5e63b7b4b\"}, {\"url\": \"https://git.kernel.org/stable/c/b76449ee75e21acfe9fa4c653d8598f191ed7d68\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nfbdev: smscufx: fix error handling code in ufx_usb_probe\\n\\nThe current error handling code in ufx_usb_probe have many unmatching\\nissues, e.g., missing ufx_free_usb_list, destroy_modedb label should\\nonly include framebuffer_release, fb_dealloc_cmap only matches\\nfb_alloc_cmap.\\n\\nMy local syzkaller reports a memory leak bug:\\n\\nmemory leak in ufx_usb_probe\\n\\nBUG: memory leak\\nunreferenced object 0xffff88802f879580 (size 128):\\n  comm \\\"kworker/0:7\\\", pid 17416, jiffies 4295067474 (age 46.710s)\\n  hex dump (first 32 bytes):\\n    80 21 7c 2e 80 88 ff ff 18 d0 d0 0c 80 88 ff ff  .!|.............\\n    00 d0 d0 0c 80 88 ff ff e0 ff ff ff 0f 00 00 00  ................\\n  backtrace:\\n    [\u003cffffffff814c99a0\u003e] kmalloc_trace+0x20/0x90 mm/slab_common.c:1045\\n    [\u003cffffffff824d219c\u003e] kmalloc include/linux/slab.h:553 [inline]\\n    [\u003cffffffff824d219c\u003e] kzalloc include/linux/slab.h:689 [inline]\\n    [\u003cffffffff824d219c\u003e] ufx_alloc_urb_list drivers/video/fbdev/smscufx.c:1873 [inline]\\n    [\u003cffffffff824d219c\u003e] ufx_usb_probe+0x11c/0x15a0 drivers/video/fbdev/smscufx.c:1655\\n    [\u003cffffffff82d17927\u003e] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396\\n    [\u003cffffffff82712f0d\u003e] call_driver_probe drivers/base/dd.c:560 [inline]\\n    [\u003cffffffff82712f0d\u003e] really_probe+0x12d/0x390 drivers/base/dd.c:639\\n    [\u003cffffffff8271322f\u003e] __driver_probe_device+0xbf/0x140 drivers/base/dd.c:778\\n    [\u003cffffffff827132da\u003e] driver_probe_device+0x2a/0x120 drivers/base/dd.c:808\\n    [\u003cffffffff82713c27\u003e] __device_attach_driver+0xf7/0x150 drivers/base/dd.c:936\\n    [\u003cffffffff82710137\u003e] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:427\\n    [\u003cffffffff827136b5\u003e] __device_attach+0x105/0x2d0 drivers/base/dd.c:1008\\n    [\u003cffffffff82711d36\u003e] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:487\\n    [\u003cffffffff8270e242\u003e] device_add+0x642/0xdc0 drivers/base/core.c:3517\\n    [\u003cffffffff82d14d5f\u003e] usb_set_configuration+0x8ef/0xb80 drivers/usb/core/message.c:2170\\n    [\u003cffffffff82d2576c\u003e] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238\\n    [\u003cffffffff82d16ffc\u003e] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293\\n    [\u003cffffffff82712f0d\u003e] call_driver_probe drivers/base/dd.c:560 [inline]\\n    [\u003cffffffff82712f0d\u003e] really_probe+0x12d/0x390 drivers/base/dd.c:639\\n    [\u003cffffffff8271322f\u003e] __driver_probe_device+0xbf/0x140 drivers/base/dd.c:778\\n\\nFix this bug by rewriting the error handling code in ufx_usb_probe.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.232\", \"versionStartIncluding\": \"5.4.223\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.168\", \"versionStartIncluding\": \"5.10.153\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.93\", \"versionStartIncluding\": \"5.15.77\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.11\", \"versionStartIncluding\": \"6.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.2\", \"versionStartIncluding\": \"6.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"4.9.332\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"4.14.298\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"4.19.264\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"6.0.7\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-23T15:22:49.418Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49741\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-23T15:22:49.418Z\", \"dateReserved\": \"2025-03-27T16:39:17.986Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-03-27T16:42:52.994Z\", \"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

Author Source Type Date Other

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.