{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2023-52528", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-52528", "idYear": 2023, "status": "PUBLISHED", "publishedAt": "2024-03-02T21:52:33.554Z", "updatedAt": "2026-05-11T19:29:01.647Z", "importedAt": "2026-10-24T01:57:03.413Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "net: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg", "summary": "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": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "d0cad871703b898a442e4049c532ec39168e5b57", "status": "affected", "versionType": "git", "lessThan": "3e0af6eec1789fd11934164a7f4dbcad979855a4" }, { "version": "d0cad871703b898a442e4049c532ec39168e5b57", "status": "affected", "versionType": "git", "lessThan": "2a36d9e2995c8c3c3f179aab1215a69cff06cbed" }, { "version": "d0cad871703b898a442e4049c532ec39168e5b57", "status": "affected", "versionType": "git", "lessThan": "310f1c92f65ad905b7e81fe14de82d979ebbd825" }, { "version": "d0cad871703b898a442e4049c532ec39168e5b57", "status": "affected", "versionType": "git", "lessThan": "30bc4d7aebe33904b0f2d3aad4b4a9c6029ad0c5" }, { "version": "d0cad871703b898a442e4049c532ec39168e5b57", "status": "affected", "versionType": "git", "lessThan": "cda10784a176d7192f08ecb518f777a4e9575812" }, { "version": "d0cad871703b898a442e4049c532ec39168e5b57", "status": "affected", "versionType": "git", "lessThan": "9ffc5018020fe646795a8dc1203224b8f776dc09" }, { "version": "d0cad871703b898a442e4049c532ec39168e5b57", "status": "affected", "versionType": "git", "lessThan": "4931e80da9463b03bfe42be54a9a19f213b0f76d" }, { "version": "d0cad871703b898a442e4049c532ec39168e5b57", "status": "affected", "versionType": "git", "lessThan": "e9c65989920f7c28775ec4e0c11b483910fb67b8" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "2.6.34", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "2.6.34" }, { "version": "4.14.327", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.14.*" }, { "version": "4.19.296", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.258", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.198", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.135", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.57", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.5.7", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.5.*" }, { "version": "6.6", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }