{"id":"CVE-2023-53693","state":"PUBLISHED","title":"USB: gadget: Fix the memory leak in raw_gadget driver","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: gadget: Fix the memory leak in raw_gadget driver\n\nCurrently, increasing raw_dev->count happens before invoke the\nraw_queue_event(), if the raw_queue_event() return error, invoke\nraw_release() will not trigger the dev_free() to be called.\n\n[  268.905865][ T5067] raw-gadget.0 gadget.0: failed to queue event\n[  268.912053][ T5067] udc dummy_udc.0: failed to start USB Raw Gadget: -12\n[  268.918885][ T5067] raw-gadget.0: probe of gadget.0 failed with error -12\n[  268.925956][ T5067] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy\n[  268.934657][ T5067] misc raw-gadget: fail, usb_gadget_register_driver returned -16\n\nBUG: memory leak\n\n[<ffffffff8154bf94>] kmalloc_trace+0x24/0x90 mm/slab_common.c:1076\n[<ffffffff8347eb55>] kmalloc include/linux/slab.h:582 [inline]\n[<ffffffff8347eb55>] kzalloc include/linux/slab.h:703 [inline]\n[<ffffffff8347eb55>] dev_new drivers/usb/gadget/legacy/raw_gadget.c:191 [inline]\n[<ffffffff8347eb55>] raw_open+0x45/0x110 drivers/usb/gadget/legacy/raw_gadget.c:385\n[<ffffffff827d1d09>] misc_open+0x1a9/0x1f0 drivers/char/misc.c:165\n\n[<ffffffff8154bf94>] kmalloc_trace+0x24/0x90 mm/slab_common.c:1076\n[<ffffffff8347cd2f>] kmalloc include/linux/slab.h:582 [inline]\n[<ffffffff8347cd2f>] raw_ioctl_init+0xdf/0x410 drivers/usb/gadget/legacy/raw_gadget.c:460\n[<ffffffff8347dfe9>] raw_ioctl+0x5f9/0x1120 drivers/usb/gadget/legacy/raw_gadget.c:1250\n[<ffffffff81685173>] vfs_ioctl fs/ioctl.c:51 [inline]\n\n[<ffffffff8154bf94>] kmalloc_trace+0x24/0x90 mm/slab_common.c:1076\n[<ffffffff833ecc6a>] kmalloc include/linux/slab.h:582 [inline]\n[<ffffffff833ecc6a>] kzalloc include/linux/slab.h:703 [inline]\n[<ffffffff833ecc6a>] dummy_alloc_request+0x5a/0xe0 drivers/usb/gadget/udc/dummy_hcd.c:665\n[<ffffffff833e9132>] usb_ep_alloc_request+0x22/0xd0 drivers/usb/gadget/udc/core.c:196\n[<ffffffff8347f13d>] gadget_bind+0x6d/0x370 drivers/usb/gadget/legacy/raw_gadget.c:292\n\nThis commit therefore invoke kref_get() under the condition that\nraw_queue_event() return success.","publishedAt":"2025-10-22T13:23:35.280Z","updatedAt":"2026-05-11T19:50:01.014Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f2c2e717642c66f7fe7e5dd69b2e8ff5849f4d10","status":"affected","lessThan":"68e6287ac61dc22513cd39f02b9ac1fef28513e4","versionType":"git"},{"version":"f2c2e717642c66f7fe7e5dd69b2e8ff5849f4d10","status":"affected","lessThan":"0f7a2b567197798da7bfa2252f4485c0ca6c6266","versionType":"git"},{"version":"f2c2e717642c66f7fe7e5dd69b2e8ff5849f4d10","status":"affected","lessThan":"de77000c1923d7942f9b4f08447c8feeae1c0f33","versionType":"git"},{"version":"f2c2e717642c66f7fe7e5dd69b2e8ff5849f4d10","status":"affected","lessThan":"9934e5d07c0dc294169a7d52f6309f35cd6d7755","versionType":"git"},{"version":"f2c2e717642c66f7fe7e5dd69b2e8ff5849f4d10","status":"affected","lessThan":"83e30f2bf86ef7c38fbd476ed81a88522b620628","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/gadget/legacy/raw_gadget.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","versionType":"semver"},{"version":"5.10.190","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.124","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.43","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.8","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/gadget/legacy/raw_gadget.c"]}],"references":["https://git.kernel.org/stable/c/68e6287ac61dc22513cd39f02b9ac1fef28513e4","https://git.kernel.org/stable/c/0f7a2b567197798da7bfa2252f4485c0ca6c6266","https://git.kernel.org/stable/c/de77000c1923d7942f9b4f08447c8feeae1c0f33","https://git.kernel.org/stable/c/9934e5d07c0dc294169a7d52f6309f35cd6d7755","https://git.kernel.org/stable/c/83e30f2bf86ef7c38fbd476ed81a88522b620628"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53693.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53693","state":"PUBLISHED","datePublished":"2025-10-22T13:23:35.280Z","dateUpdated":"2026-05-11T19:50:01.014Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-22T13:21:37.344Z"},"containers":{"cna":{"title":"USB: gadget: Fix the memory leak in raw_gadget driver","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: gadget: Fix the memory leak in raw_gadget driver\n\nCurrently, increasing raw_dev->count happens before invoke the\nraw_queue_event(), if the raw_queue_event() return error, invoke\nraw_release() will not trigger the dev_free() to be called.\n\n[  268.905865][ T5067] raw-gadget.0 gadget.0: failed to queue event\n[  268.912053][ T5067] udc dummy_udc.0: failed to start USB Raw Gadget: -12\n[  268.918885][ T5067] raw-gadget.0: probe of gadget.0 failed with error -12\n[  268.925956][ T5067] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy\n[  268.934657][ T5067] misc raw-gadget: fail, usb_gadget_register_driver returned -16\n\nBUG: memory leak\n\n[<ffffffff8154bf94>] kmalloc_trace+0x24/0x90 mm/slab_common.c:1076\n[<ffffffff8347eb55>] kmalloc include/linux/slab.h:582 [inline]\n[<ffffffff8347eb55>] kzalloc include/linux/slab.h:703 [inline]\n[<ffffffff8347eb55>] dev_new drivers/usb/gadget/legacy/raw_gadget.c:191 [inline]\n[<ffffffff8347eb55>] raw_open+0x45/0x110 drivers/usb/gadget/legacy/raw_gadget.c:385\n[<ffffffff827d1d09>] misc_open+0x1a9/0x1f0 drivers/char/misc.c:165\n\n[<ffffffff8154bf94>] kmalloc_trace+0x24/0x90 mm/slab_common.c:1076\n[<ffffffff8347cd2f>] kmalloc include/linux/slab.h:582 [inline]\n[<ffffffff8347cd2f>] raw_ioctl_init+0xdf/0x410 drivers/usb/gadget/legacy/raw_gadget.c:460\n[<ffffffff8347dfe9>] raw_ioctl+0x5f9/0x1120 drivers/usb/gadget/legacy/raw_gadget.c:1250\n[<ffffffff81685173>] vfs_ioctl fs/ioctl.c:51 [inline]\n\n[<ffffffff8154bf94>] kmalloc_trace+0x24/0x90 mm/slab_common.c:1076\n[<ffffffff833ecc6a>] kmalloc include/linux/slab.h:582 [inline]\n[<ffffffff833ecc6a>] kzalloc include/linux/slab.h:703 [inline]\n[<ffffffff833ecc6a>] dummy_alloc_request+0x5a/0xe0 drivers/usb/gadget/udc/dummy_hcd.c:665\n[<ffffffff833e9132>] usb_ep_alloc_request+0x22/0xd0 drivers/usb/gadget/udc/core.c:196\n[<ffffffff8347f13d>] gadget_bind+0x6d/0x370 drivers/usb/gadget/legacy/raw_gadget.c:292\n\nThis commit therefore invoke kref_get() under the condition that\nraw_queue_event() return success."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f2c2e717642c66f7fe7e5dd69b2e8ff5849f4d10","status":"affected","lessThan":"68e6287ac61dc22513cd39f02b9ac1fef28513e4","versionType":"git"},{"version":"f2c2e717642c66f7fe7e5dd69b2e8ff5849f4d10","status":"affected","lessThan":"0f7a2b567197798da7bfa2252f4485c0ca6c6266","versionType":"git"},{"version":"f2c2e717642c66f7fe7e5dd69b2e8ff5849f4d10","status":"affected","lessThan":"de77000c1923d7942f9b4f08447c8feeae1c0f33","versionType":"git"},{"version":"f2c2e717642c66f7fe7e5dd69b2e8ff5849f4d10","status":"affected","lessThan":"9934e5d07c0dc294169a7d52f6309f35cd6d7755","versionType":"git"},{"version":"f2c2e717642c66f7fe7e5dd69b2e8ff5849f4d10","status":"affected","lessThan":"83e30f2bf86ef7c38fbd476ed81a88522b620628","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/gadget/legacy/raw_gadget.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","versionType":"semver"},{"version":"5.10.190","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.124","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.43","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.8","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/gadget/legacy/raw_gadget.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/68e6287ac61dc22513cd39f02b9ac1fef28513e4"},{"url":"https://git.kernel.org/stable/c/0f7a2b567197798da7bfa2252f4485c0ca6c6266"},{"url":"https://git.kernel.org/stable/c/de77000c1923d7942f9b4f08447c8feeae1c0f33"},{"url":"https://git.kernel.org/stable/c/9934e5d07c0dc294169a7d52f6309f35cd6d7755"},{"url":"https://git.kernel.org/stable/c/83e30f2bf86ef7c38fbd476ed81a88522b620628"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:50:01.014Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.10.190"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.15.124"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.1.43"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.4.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.5"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}