{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-21776","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-12-29T08:45:45.763Z","datePublished":"2025-02-27T02:18:21.503Z","dateUpdated":"2026-05-12T12:03:52.412Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:06:12.467Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: hub: Ignore non-compliant devices with too many configs or interfaces\n\nRobert Morris created a test program which can cause\nusb_hub_to_struct_hub() to dereference a NULL or inappropriate\npointer:\n\nOops: general protection fault, probably for non-canonical address\n0xcccccccccccccccc: 0000 [#1] SMP DEBUG_PAGEALLOC PTI\nCPU: 7 UID: 0 PID: 117 Comm: kworker/7:1 Not tainted 6.13.0-rc3-00017-gf44d154d6e3d #14\nHardware name: FreeBSD BHYVE/BHYVE, BIOS 14.0 10/17/2021\nWorkqueue: usb_hub_wq hub_event\nRIP: 0010:usb_hub_adjust_deviceremovable+0x78/0x110\n...\nCall Trace:\n <TASK>\n ? die_addr+0x31/0x80\n ? exc_general_protection+0x1b4/0x3c0\n ? asm_exc_general_protection+0x26/0x30\n ? usb_hub_adjust_deviceremovable+0x78/0x110\n hub_probe+0x7c7/0xab0\n usb_probe_interface+0x14b/0x350\n really_probe+0xd0/0x2d0\n ? __pfx___device_attach_driver+0x10/0x10\n __driver_probe_device+0x6e/0x110\n driver_probe_device+0x1a/0x90\n __device_attach_driver+0x7e/0xc0\n bus_for_each_drv+0x7f/0xd0\n __device_attach+0xaa/0x1a0\n bus_probe_device+0x8b/0xa0\n device_add+0x62e/0x810\n usb_set_configuration+0x65d/0x990\n usb_generic_driver_probe+0x4b/0x70\n usb_probe_device+0x36/0xd0\n\nThe cause of this error is that the device has two interfaces, and the\nhub driver binds to interface 1 instead of interface 0, which is where\nusb_hub_to_struct_hub() looks.\n\nWe can prevent the problem from occurring by refusing to accept hub\ndevices that violate the USB spec by having more than one\nconfiguration or interface."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/core/hub.c"],"versions":[{"version":"d2123fd9e1a56b8006986ed37e0aaf93ef0dd978","lessThan":"49f077106fa07919a6a6dda99bb490dd1d1a8218","status":"affected","versionType":"git"},{"version":"d2123fd9e1a56b8006986ed37e0aaf93ef0dd978","lessThan":"d343fe0fad5c1d689775f2dda24a85ce98e29566","status":"affected","versionType":"git"},{"version":"d2123fd9e1a56b8006986ed37e0aaf93ef0dd978","lessThan":"d3a67adb365cdfdac4620daf38a82e57ca45806c","status":"affected","versionType":"git"},{"version":"d2123fd9e1a56b8006986ed37e0aaf93ef0dd978","lessThan":"c3720b04df84b5459050ae4e03ec7d545652f897","status":"affected","versionType":"git"},{"version":"d2123fd9e1a56b8006986ed37e0aaf93ef0dd978","lessThan":"e905a0fca7bff0855d312c16f71e60e1773b393e","status":"affected","versionType":"git"},{"version":"d2123fd9e1a56b8006986ed37e0aaf93ef0dd978","lessThan":"62d8f4c5454dd39aded4f343720d1c5a1803cfef","status":"affected","versionType":"git"},{"version":"d2123fd9e1a56b8006986ed37e0aaf93ef0dd978","lessThan":"5b9778e1fe715700993ce436c152dc3b7df0b490","status":"affected","versionType":"git"},{"version":"d2123fd9e1a56b8006986ed37e0aaf93ef0dd978","lessThan":"2240fed37afbcdb5e8b627bc7ad986891100e05d","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/core/hub.c"],"versions":[{"version":"3.9","status":"affected"},{"version":"0","lessThan":"3.9","status":"unaffected","versionType":"semver"},{"version":"5.4.291","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.235","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.179","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.129","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.79","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.16","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.13.4","lessThanOrEqual":"6.13.*","status":"unaffected","versionType":"semver"},{"version":"6.14","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"5.4.291"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"5.10.235"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"5.15.179"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.1.129"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.6.79"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.12.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.13.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.14"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/49f077106fa07919a6a6dda99bb490dd1d1a8218"},{"url":"https://git.kernel.org/stable/c/d343fe0fad5c1d689775f2dda24a85ce98e29566"},{"url":"https://git.kernel.org/stable/c/d3a67adb365cdfdac4620daf38a82e57ca45806c"},{"url":"https://git.kernel.org/stable/c/c3720b04df84b5459050ae4e03ec7d545652f897"},{"url":"https://git.kernel.org/stable/c/e905a0fca7bff0855d312c16f71e60e1773b393e"},{"url":"https://git.kernel.org/stable/c/62d8f4c5454dd39aded4f343720d1c5a1803cfef"},{"url":"https://git.kernel.org/stable/c/5b9778e1fe715700993ce436c152dc3b7df0b490"},{"url":"https://git.kernel.org/stable/c/2240fed37afbcdb5e8b627bc7ad986891100e05d"}],"title":"USB: hub: Ignore non-compliant devices with too many configs or interfaces","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T19:37:31.434Z"}},{"x_adpType":"supplier","providerMetadata":{"orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP","dateUpdated":"2026-05-12T12:03:52.412Z"},"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 TM MFP - BIOS","versions":[{"status":"affected","version":"0","lessThan":"*","versionType":"custom"}],"defaultStatus":"unknown"},{"vendor":"Siemens","product":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","versions":[{"status":"affected","version":"0","lessThan":"*","versionType":"custom"}],"defaultStatus":"unknown"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-503939.html"}]}]}}