{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-52528","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-02-20T12:30:33.318Z","datePublished":"2024-03-02T21:52:33.554Z","dateUpdated":"2025-05-04T07:38:38.847Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:38:38.847Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg\n\nsyzbot reported the following uninit-value access issue:\n\n=====================================================\nBUG: KMSAN: uninit-value in smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:975 [inline]\nBUG: KMSAN: uninit-value in smsc75xx_bind+0x5c9/0x11e0 drivers/net/usb/smsc75xx.c:1482\nCPU: 0 PID: 8696 Comm: kworker/0:3 Not tainted 5.8.0-rc5-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\nWorkqueue: usb_hub_wq hub_event\nCall Trace:\n __dump_stack lib/dump_stack.c:77 [inline]\n dump_stack+0x21c/0x280 lib/dump_stack.c:118\n kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:121\n __msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:215\n smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:975 [inline]\n smsc75xx_bind+0x5c9/0x11e0 drivers/net/usb/smsc75xx.c:1482\n usbnet_probe+0x1152/0x3f90 drivers/net/usb/usbnet.c:1737\n usb_probe_interface+0xece/0x1550 drivers/usb/core/driver.c:374\n really_probe+0xf20/0x20b0 drivers/base/dd.c:529\n driver_probe_device+0x293/0x390 drivers/base/dd.c:701\n __device_attach_driver+0x63f/0x830 drivers/base/dd.c:807\n bus_for_each_drv+0x2ca/0x3f0 drivers/base/bus.c:431\n __device_attach+0x4e2/0x7f0 drivers/base/dd.c:873\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:920\n bus_probe_device+0x177/0x3d0 drivers/base/bus.c:491\n device_add+0x3b0e/0x40d0 drivers/base/core.c:2680\n usb_set_configuration+0x380f/0x3f10 drivers/usb/core/message.c:2032\n usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:241\n usb_probe_device+0x311/0x490 drivers/usb/core/driver.c:272\n really_probe+0xf20/0x20b0 drivers/base/dd.c:529\n driver_probe_device+0x293/0x390 drivers/base/dd.c:701\n __device_attach_driver+0x63f/0x830 drivers/base/dd.c:807\n bus_for_each_drv+0x2ca/0x3f0 drivers/base/bus.c:431\n __device_attach+0x4e2/0x7f0 drivers/base/dd.c:873\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:920\n bus_probe_device+0x177/0x3d0 drivers/base/bus.c:491\n device_add+0x3b0e/0x40d0 drivers/base/core.c:2680\n usb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2554\n hub_port_connect drivers/usb/core/hub.c:5208 [inline]\n hub_port_connect_change drivers/usb/core/hub.c:5348 [inline]\n port_event drivers/usb/core/hub.c:5494 [inline]\n hub_event+0x5e7b/0x8a70 drivers/usb/core/hub.c:5576\n process_one_work+0x1688/0x2140 kernel/workqueue.c:2269\n worker_thread+0x10bc/0x2730 kernel/workqueue.c:2415\n kthread+0x551/0x590 kernel/kthread.c:292\n ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293\n\nLocal variable ----buf.i87@smsc75xx_bind created at:\n __smsc75xx_read_reg drivers/net/usb/smsc75xx.c:83 [inline]\n smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:968 [inline]\n smsc75xx_bind+0x485/0x11e0 drivers/net/usb/smsc75xx.c:1482\n __smsc75xx_read_reg drivers/net/usb/smsc75xx.c:83 [inline]\n smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:968 [inline]\n smsc75xx_bind+0x485/0x11e0 drivers/net/usb/smsc75xx.c:1482\n\nThis issue is caused because usbnet_read_cmd() reads less bytes than requested\n(zero byte in the reproducer). In this case, 'buf' is not properly filled.\n\nThis patch fixes the issue by returning -ENODATA if usbnet_read_cmd() reads\nless bytes than requested."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/usb/smsc75xx.c"],"versions":[{"version":"d0cad871703b898a442e4049c532ec39168e5b57","lessThan":"3e0af6eec1789fd11934164a7f4dbcad979855a4","status":"affected","versionType":"git"},{"version":"d0cad871703b898a442e4049c532ec39168e5b57","lessThan":"2a36d9e2995c8c3c3f179aab1215a69cff06cbed","status":"affected","versionType":"git"},{"version":"d0cad871703b898a442e4049c532ec39168e5b57","lessThan":"310f1c92f65ad905b7e81fe14de82d979ebbd825","status":"affected","versionType":"git"},{"version":"d0cad871703b898a442e4049c532ec39168e5b57","lessThan":"30bc4d7aebe33904b0f2d3aad4b4a9c6029ad0c5","status":"affected","versionType":"git"},{"version":"d0cad871703b898a442e4049c532ec39168e5b57","lessThan":"cda10784a176d7192f08ecb518f777a4e9575812","status":"affected","versionType":"git"},{"version":"d0cad871703b898a442e4049c532ec39168e5b57","lessThan":"9ffc5018020fe646795a8dc1203224b8f776dc09","status":"affected","versionType":"git"},{"version":"d0cad871703b898a442e4049c532ec39168e5b57","lessThan":"4931e80da9463b03bfe42be54a9a19f213b0f76d","status":"affected","versionType":"git"},{"version":"d0cad871703b898a442e4049c532ec39168e5b57","lessThan":"e9c65989920f7c28775ec4e0c11b483910fb67b8","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/net/usb/smsc75xx.c"],"versions":[{"version":"2.6.34","status":"affected"},{"version":"0","lessThan":"2.6.34","status":"unaffected","versionType":"semver"},{"version":"4.14.327","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.296","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.258","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.198","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.135","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.57","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.5.7","lessThanOrEqual":"6.5.*","status":"unaffected","versionType":"semver"},{"version":"6.6","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":"2.6.34","versionEndExcluding":"4.14.327"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"4.19.296"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"5.4.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"5.10.198"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"5.15.135"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"6.1.57"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"6.5.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"6.6"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3e0af6eec1789fd11934164a7f4dbcad979855a4"},{"url":"https://git.kernel.org/stable/c/2a36d9e2995c8c3c3f179aab1215a69cff06cbed"},{"url":"https://git.kernel.org/stable/c/310f1c92f65ad905b7e81fe14de82d979ebbd825"},{"url":"https://git.kernel.org/stable/c/30bc4d7aebe33904b0f2d3aad4b4a9c6029ad0c5"},{"url":"https://git.kernel.org/stable/c/cda10784a176d7192f08ecb518f777a4e9575812"},{"url":"https://git.kernel.org/stable/c/9ffc5018020fe646795a8dc1203224b8f776dc09"},{"url":"https://git.kernel.org/stable/c/4931e80da9463b03bfe42be54a9a19f213b0f76d"},{"url":"https://git.kernel.org/stable/c/e9c65989920f7c28775ec4e0c11b483910fb67b8"}],"title":"net: 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