{ "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-2022-49741", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49741", "idYear": 2022, "status": "PUBLISHED", "publishedAt": "2025-03-27T16:42:52.994Z", "updatedAt": "2026-05-23T15:22:49.418Z", "importedAt": "2026-10-24T01:56:49.724Z", "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": "fbdev: smscufx: fix error handling code in ufx_usb_probe", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: smscufx: fix error handling code in ufx_usb_probe\n\nThe current error handling code in ufx_usb_probe have many unmatching\nissues, e.g., missing ufx_free_usb_list, destroy_modedb label should\nonly include framebuffer_release, fb_dealloc_cmap only matches\nfb_alloc_cmap.\n\nMy local syzkaller reports a memory leak bug:\n\nmemory leak in ufx_usb_probe\n\nBUG: memory leak\nunreferenced object 0xffff88802f879580 (size 128):\n comm \"kworker/0:7\", pid 17416, jiffies 4295067474 (age 46.710s)\n hex dump (first 32 bytes):\n 80 21 7c 2e 80 88 ff ff 18 d0 d0 0c 80 88 ff ff .!|.............\n 00 d0 d0 0c 80 88 ff ff e0 ff ff ff 0f 00 00 00 ................\n backtrace:\n [] kmalloc_trace+0x20/0x90 mm/slab_common.c:1045\n [] kmalloc include/linux/slab.h:553 [inline]\n [] kzalloc include/linux/slab.h:689 [inline]\n [] ufx_alloc_urb_list drivers/video/fbdev/smscufx.c:1873 [inline]\n [] ufx_usb_probe+0x11c/0x15a0 drivers/video/fbdev/smscufx.c:1655\n [] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396\n [] call_driver_probe drivers/base/dd.c:560 [inline]\n [] really_probe+0x12d/0x390 drivers/base/dd.c:639\n [] __driver_probe_device+0xbf/0x140 drivers/base/dd.c:778\n [] driver_probe_device+0x2a/0x120 drivers/base/dd.c:808\n [] __device_attach_driver+0xf7/0x150 drivers/base/dd.c:936\n [] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:427\n [] __device_attach+0x105/0x2d0 drivers/base/dd.c:1008\n [] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:487\n [] device_add+0x642/0xdc0 drivers/base/core.c:3517\n [] usb_set_configuration+0x8ef/0xb80 drivers/usb/core/message.c:2170\n [] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238\n [] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293\n [] call_driver_probe drivers/base/dd.c:560 [inline]\n [] really_probe+0x12d/0x390 drivers/base/dd.c:639\n [] __driver_probe_device+0xbf/0x140 drivers/base/dd.c:778\n\nFix this bug by rewriting the error handling code in ufx_usb_probe.", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "5385af2f89bc352fb70753ab41b2bb036190141f", "status": "affected", "versionType": "git", "lessThan": "3b3d3127f5b4291ae4caaf50f7b66089ad600480" }, { "version": "d9ddfeb01fb95ffbbc7031d46a5ee2a5e45cbb86", "status": "affected", "versionType": "git", "lessThan": "3931014367ef31d26af65386a4ca496f50f0cfdf" }, { "version": "cc6a7249842fceda7574ceb63275a2d5e99d2862", "status": "affected", "versionType": "git", "lessThan": "64fa364ad3245508d393e16ed4886f92d7eb423c" }, { "version": "cc67482c9e5f2c80d62f623bcc347c29f9f648e1", "status": "affected", "versionType": "git", "lessThan": "1b4c08844628dfc8d72d3f51b657f2a5e63b7b4b" }, { "version": "cc67482c9e5f2c80d62f623bcc347c29f9f648e1", "status": "affected", "versionType": "git", "lessThan": "b76449ee75e21acfe9fa4c653d8598f191ed7d68" }, { "version": "6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953f", "status": "affected", "versionType": "git" }, { "version": "3f40852d671072836fb7ae331a1f28a24223c4e8", "status": "affected", "versionType": "git" }, { "version": "70faf9d9b6cc74418716bbf76fe75bd2da10ad4a", "status": "affected", "versionType": "git" }, { "version": "8d924b262f3178a9b17c17d4306a9f426c508bd9", "status": "affected", "versionType": "git" }, { "version": "5.4.223", "status": "affected", "versionType": "semver", "lessThan": "5.4.232" }, { "version": "5.10.153", "status": "affected", "versionType": "semver", "lessThan": "5.10.168" }, { "version": "5.15.77", "status": "affected", "versionType": "semver", "lessThan": "5.15.93" }, { "version": "4.9.332", "status": "affected", "versionType": "semver", "lessThan": "4.10" }, { "version": "4.14.298", "status": "affected", "versionType": "semver", "lessThan": "4.15" }, { "version": "4.19.264", "status": "affected", "versionType": "semver", "lessThan": "4.20" }, { "version": "6.0.7", "status": "affected", "versionType": "semver", "lessThan": "6.1" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "6.1", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "6.1" }, { "version": "5.4.232", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.168", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.93", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.11", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.2", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }