{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-50767", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T13:02:21.546Z", "datePublished": "2025-12-24T13:05:57.569Z", "dateUpdated": "2026-05-11T19:25:08.910Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:25:08.910Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: smscufx: Fix several use-after-free bugs\n\nSeveral types of UAFs can occur when physically removing a USB device.\n\nAdds ufx_ops_destroy() function to .fb_destroy of fb_ops, and\nin this function, there is kref_put() that finally calls ufx_free().\n\nThis fix prevents multiple UAFs." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/video/fbdev/smscufx.c" ], "versions": [ { "version": "3c8a63e22a0802fd56380f6ab305b419f18eb6f5", "lessThan": "6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953f", "status": "affected", "versionType": "git" }, { "version": "3c8a63e22a0802fd56380f6ab305b419f18eb6f5", "lessThan": "3f40852d671072836fb7ae331a1f28a24223c4e8", "status": "affected", "versionType": "git" }, { "version": "3c8a63e22a0802fd56380f6ab305b419f18eb6f5", "lessThan": "70faf9d9b6cc74418716bbf76fe75bd2da10ad4a", "status": "affected", "versionType": "git" }, { "version": "3c8a63e22a0802fd56380f6ab305b419f18eb6f5", "lessThan": "5385af2f89bc352fb70753ab41b2bb036190141f", "status": "affected", "versionType": "git" }, { "version": "3c8a63e22a0802fd56380f6ab305b419f18eb6f5", "lessThan": "d9ddfeb01fb95ffbbc7031d46a5ee2a5e45cbb86", "status": "affected", "versionType": "git" }, { "version": "3c8a63e22a0802fd56380f6ab305b419f18eb6f5", "lessThan": "cc6a7249842fceda7574ceb63275a2d5e99d2862", "status": "affected", "versionType": "git" }, { "version": "3c8a63e22a0802fd56380f6ab305b419f18eb6f5", "lessThan": "8d924b262f3178a9b17c17d4306a9f426c508bd9", "status": "affected", "versionType": "git" }, { "version": "3c8a63e22a0802fd56380f6ab305b419f18eb6f5", "lessThan": "cc67482c9e5f2c80d62f623bcc347c29f9f648e1", "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/video/fbdev/smscufx.c" ], "versions": [ { "version": "3.2", "status": "affected" }, { "version": "0", "lessThan": "3.2", "status": "unaffected", "versionType": "semver" }, { "version": "4.9.332", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.298", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.264", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.223", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.153", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.77", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.0.7", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1", "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": "3.2", "versionEndExcluding": "4.9.332" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.2", "versionEndExcluding": "4.14.298" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.2", "versionEndExcluding": "4.19.264" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.2", "versionEndExcluding": "5.4.223" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.2", "versionEndExcluding": "5.10.153" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.2", "versionEndExcluding": "5.15.77" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.2", "versionEndExcluding": "6.0.7" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.2", "versionEndExcluding": "6.1" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953f" }, { "url": "https://git.kernel.org/stable/c/3f40852d671072836fb7ae331a1f28a24223c4e8" }, { "url": "https://git.kernel.org/stable/c/70faf9d9b6cc74418716bbf76fe75bd2da10ad4a" }, { "url": "https://git.kernel.org/stable/c/5385af2f89bc352fb70753ab41b2bb036190141f" }, { "url": "https://git.kernel.org/stable/c/d9ddfeb01fb95ffbbc7031d46a5ee2a5e45cbb86" }, { "url": "https://git.kernel.org/stable/c/cc6a7249842fceda7574ceb63275a2d5e99d2862" }, { "url": "https://git.kernel.org/stable/c/8d924b262f3178a9b17c17d4306a9f426c508bd9" }, { "url": "https://git.kernel.org/stable/c/cc67482c9e5f2c80d62f623bcc347c29f9f648e1" } ], "title": "fbdev: smscufx: Fix several use-after-free bugs", "x_generator": { "engine": "bippy-1.2.0" } } } }