{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47173","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-03-25T09:12:14.111Z","datePublished":"2024-03-25T09:16:24.466Z","dateUpdated":"2025-05-04T07:05:38.264Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:05:38.264Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmisc/uss720: fix memory leak in uss720_probe\n\nuss720_probe forgets to decrease the refcount of usbdev in uss720_probe.\nFix this by decreasing the refcount of usbdev by usb_put_dev.\n\nBUG: memory leak\nunreferenced object 0xffff888101113800 (size 2048):\n  comm \"kworker/0:1\", pid 7, jiffies 4294956777 (age 28.870s)\n  hex dump (first 32 bytes):\n    ff ff ff ff 31 00 00 00 00 00 00 00 00 00 00 00  ....1...........\n    00 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00  ................\n  backtrace:\n    [<ffffffff82b8e822>] kmalloc include/linux/slab.h:554 [inline]\n    [<ffffffff82b8e822>] kzalloc include/linux/slab.h:684 [inline]\n    [<ffffffff82b8e822>] usb_alloc_dev+0x32/0x450 drivers/usb/core/usb.c:582\n    [<ffffffff82b98441>] hub_port_connect drivers/usb/core/hub.c:5129 [inline]\n    [<ffffffff82b98441>] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]\n    [<ffffffff82b98441>] port_event drivers/usb/core/hub.c:5509 [inline]\n    [<ffffffff82b98441>] hub_event+0x1171/0x20c0 drivers/usb/core/hub.c:5591\n    [<ffffffff81259229>] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275\n    [<ffffffff81259b19>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421\n    [<ffffffff81261228>] kthread+0x178/0x1b0 kernel/kthread.c:292\n    [<ffffffff8100227f>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/misc/uss720.c"],"versions":[{"version":"0f36163d3abefbda1b21a330b3fdf3c2dc076d94","lessThan":"5f46b2410db2c8f26b8bb91b40deebf4ec184391","status":"affected","versionType":"git"},{"version":"0f36163d3abefbda1b21a330b3fdf3c2dc076d94","lessThan":"7889c70e6173ef358f3cd7578db127a489035a42","status":"affected","versionType":"git"},{"version":"0f36163d3abefbda1b21a330b3fdf3c2dc076d94","lessThan":"bcb30cc8f8befcbdbcf7a016e4dfd4747c54a364","status":"affected","versionType":"git"},{"version":"0f36163d3abefbda1b21a330b3fdf3c2dc076d94","lessThan":"386918878ce4cd676e4607233866e03c9399a46a","status":"affected","versionType":"git"},{"version":"0f36163d3abefbda1b21a330b3fdf3c2dc076d94","lessThan":"36b5ff1db1a4ef4fdbc2bae364344279f033ad88","status":"affected","versionType":"git"},{"version":"0f36163d3abefbda1b21a330b3fdf3c2dc076d94","lessThan":"5394ae9d8c7961dd93807fdf1b12a1dde96b0a55","status":"affected","versionType":"git"},{"version":"0f36163d3abefbda1b21a330b3fdf3c2dc076d94","lessThan":"a3c3face38cb49932c62adcc1289914f1c742096","status":"affected","versionType":"git"},{"version":"0f36163d3abefbda1b21a330b3fdf3c2dc076d94","lessThan":"dcb4b8ad6a448532d8b681b5d1a7036210b622de","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/misc/uss720.c"],"versions":[{"version":"2.6.14","status":"affected"},{"version":"0","lessThan":"2.6.14","status":"unaffected","versionType":"semver"},{"version":"4.4.271","lessThanOrEqual":"4.4.*","status":"unaffected","versionType":"semver"},{"version":"4.9.271","lessThanOrEqual":"4.9.*","status":"unaffected","versionType":"semver"},{"version":"4.14.235","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.193","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.124","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.42","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.12.9","lessThanOrEqual":"5.12.*","status":"unaffected","versionType":"semver"},{"version":"5.13","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":"2.6.14","versionEndExcluding":"4.4.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"4.9.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"4.14.235"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"4.19.193"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"5.4.124"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"5.10.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"5.12.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"5.13"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/5f46b2410db2c8f26b8bb91b40deebf4ec184391"},{"url":"https://git.kernel.org/stable/c/7889c70e6173ef358f3cd7578db127a489035a42"},{"url":"https://git.kernel.org/stable/c/bcb30cc8f8befcbdbcf7a016e4dfd4747c54a364"},{"url":"https://git.kernel.org/stable/c/386918878ce4cd676e4607233866e03c9399a46a"},{"url":"https://git.kernel.org/stable/c/36b5ff1db1a4ef4fdbc2bae364344279f033ad88"},{"url":"https://git.kernel.org/stable/c/5394ae9d8c7961dd93807fdf1b12a1dde96b0a55"},{"url":"https://git.kernel.org/stable/c/a3c3face38cb49932c62adcc1289914f1c742096"},{"url":"https://git.kernel.org/stable/c/dcb4b8ad6a448532d8b681b5d1a7036210b622de"}],"title":"misc/uss720: fix memory leak in uss720_probe","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-06-21T16:08:15.214025Z","id":"CVE-2021-47173","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-21T16:08:23.838Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:24:40.231Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/5f46b2410db2c8f26b8bb91b40deebf4ec184391","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/7889c70e6173ef358f3cd7578db127a489035a42","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/bcb30cc8f8befcbdbcf7a016e4dfd4747c54a364","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/386918878ce4cd676e4607233866e03c9399a46a","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/36b5ff1db1a4ef4fdbc2bae364344279f033ad88","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/5394ae9d8c7961dd93807fdf1b12a1dde96b0a55","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/a3c3face38cb49932c62adcc1289914f1c742096","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/dcb4b8ad6a448532d8b681b5d1a7036210b622de","tags":["x_transferred"]}]}]}}