CVE-2022-50282

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50282", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-15T13:58:00.976Z", "datePublished": "2025-09-15T14:21:18.658Z", "dateUpdated": "2026-11-05T20:10:33.031Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:24:07.483Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nchardev: fix error handling in cdev_device_add()\n\nWhile doing fault injection test, I got the following report:\n\n------------[ cut here ]------------\nkobject: '(null)' (0000000039956980): is not initialized, yet kobject_put() is being called.\nWARNING: CPU: 3 PID: 6306 at kobject_put+0x23d/0x4e0\nCPU: 3 PID: 6306 Comm: 283 Tainted: G W 6.1.0-rc2-00005-g307c1086d7c9 #1253\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014\nRIP: 0010:kobject_put+0x23d/0x4e0\nCall Trace:\n <TASK>\n cdev_device_add+0x15e/0x1b0\n __iio_device_register+0x13b4/0x1af0 [industrialio]\n __devm_iio_device_register+0x22/0x90 [industrialio]\n max517_probe+0x3d8/0x6b4 [max517]\n i2c_device_probe+0xa81/0xc00\n\nWhen device_add() is injected fault and returns error, if dev->devt is not set,\ncdev_add() is not called, cdev_del() is not needed. Fix this by checking dev->devt\nin error path."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/char_dev.c"], "versions": [{"version": "da97a80a657d1b1b50ef633e8ff5dbf0d417fc8d", "lessThan": "5d2146889fad4cb9e6c13e790d4cfd871486eca8", "status": "affected", "versionType": "git"}, {"version": "233ed09d7fdacf592ee91e6c97ce5f4364fbe7c0", "lessThan": "6acf8597c5b04f455ee0649e11e5f3bcd28f381e", "status": "affected", "versionType": "git"}, {"version": "233ed09d7fdacf592ee91e6c97ce5f4364fbe7c0", "lessThan": "34d17b39bceef25e4cf9805cd59250ae05d0a139", "status": "affected", "versionType": "git"}, {"version": "233ed09d7fdacf592ee91e6c97ce5f4364fbe7c0", "lessThan": "d85b5247a79355b8432bfd9ac871f96117f750d4", "status": "affected", "versionType": "git"}, {"version": "233ed09d7fdacf592ee91e6c97ce5f4364fbe7c0", "lessThan": "c46db6088bccff5115674d583fef46ede80077a2", 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"lessThan": "3.17", "status": "affected", "versionType": "semver"}, {"version": "4.4.224", "lessThan": "4.5", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/char_dev.c"], "versions": [{"version": "4.12", "status": "affected"}, {"version": "0", "lessThan": "4.12", "status": "unaffected", "versionType": "semver"}, {"version": "4.9.337", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.303", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.270", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.229", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.163", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, 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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4.224"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5d2146889fad4cb9e6c13e790d4cfd871486eca8"}, {"url": "https://git.kernel.org/stable/c/6acf8597c5b04f455ee0649e11e5f3bcd28f381e"}, {"url": "https://git.kernel.org/stable/c/34d17b39bceef25e4cf9805cd59250ae05d0a139"}, {"url": "https://git.kernel.org/stable/c/d85b5247a79355b8432bfd9ac871f96117f750d4"}, {"url": "https://git.kernel.org/stable/c/c46db6088bccff5115674d583fef46ede80077a2"}, {"url": "https://git.kernel.org/stable/c/28dc61cc49c6e995121c6d86bef4b73df78dda80"}, {"url": "https://git.kernel.org/stable/c/b5de1eac71fec1af7723f1083d23a24789fd795c"}, {"url": "https://git.kernel.org/stable/c/85a5660491b507d33662b8e81c142e6041e642eb"}, {"url": "https://git.kernel.org/stable/c/11fa7fefe3d8fac7da56bc9aa3dd5fb3081ca797"}], "title": "chardev: fix error handling in cdev_device_add()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": 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got the following report:\n\n------------[ cut here ]------------\nkobject: '(null)' (0000000039956980): is not initialized, yet kobject_put() is being called.\nWARNING: CPU: 3 PID: 6306 at kobject_put+0x23d/0x4e0\nCPU: 3 PID: 6306 Comm: 283 Tainted: G W 6.1.0-rc2-00005-g307c1086d7c9 #1253\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014\nRIP: 0010:kobject_put+0x23d/0x4e0\nCall Trace:\n <TASK>\n cdev_device_add+0x15e/0x1b0\n __iio_device_register+0x13b4/0x1af0 [industrialio]\n __devm_iio_device_register+0x22/0x90 [industrialio]\n max517_probe+0x3d8/0x6b4 [max517]\n i2c_device_probe+0xa81/0xc00\n\nWhen device_add() is injected fault and returns error, if dev->devt is not set,\ncdev_add() is not called, cdev_del() is not needed. Fix this by checking dev->devt\nin error path."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.9.337", "versionStartIncluding": "4.9.224"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.14.303", "versionStartIncluding": "4.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.19.270", "versionStartIncluding": "4.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.229", "versionStartIncluding": "4.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.163", "versionStartIncluding": "4.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.86", "versionStartIncluding": "4.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.0.16", "versionStartIncluding": "4.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.2", "versionStartIncluding": "4.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.2", "versionStartIncluding": "4.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "3.16.83"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "4.4.224"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:24:07.483Z"}}}, "cveMetadata": {"cveId": "CVE-2022-50282", "state": "PUBLISHED", "dateUpdated": "2026-11-05T20:10:33.031Z", "dateReserved": "2025-09-15T13:58:00.976Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-09-15T14:21:18.658Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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kobject_put() is being called.\nWARNING: CPU: 3 PID: 6306 at kobject_put+0x23d/0x4e0\nCPU: 3 PID: 6306 Comm: 283 Tainted: G W 6.1.0-rc2-00005-g307c1086d7c9 #1253\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014\nRIP: 0010:kobject_put+0x23d/0x4e0\nCall Trace:\n <TASK>\n cdev_device_add+0x15e/0x1b0\n __iio_device_register+0x13b4/0x1af0 [industrialio]\n __devm_iio_device_register+0x22/0x90 [industrialio]\n max517_probe+0x3d8/0x6b4 [max517]\n i2c_device_probe+0xa81/0xc00\n\nWhen device_add() is injected fault and returns error, if dev->devt is not set,\ncdev_add() is not called, cdev_del() is not needed. Fix this by checking dev->devt\nin error path."}], "id": "CVE-2022-50282", "lastModified": "2026-11-05T20:17:32.370", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-50282", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T20:08:55.622102Z", "version": "2.0.3"}}]}, "published": "2025-09-15T15:15:39.310", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/11fa7fefe3d8fac7da56bc9aa3dd5fb3081ca797"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/28dc61cc49c6e995121c6d86bef4b73df78dda80"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/34d17b39bceef25e4cf9805cd59250ae05d0a139"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5d2146889fad4cb9e6c13e790d4cfd871486eca8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6acf8597c5b04f455ee0649e11e5f3bcd28f381e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/85a5660491b507d33662b8e81c142e6041e642eb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b5de1eac71fec1af7723f1083d23a24789fd795c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c46db6088bccff5115674d583fef46ede80077a2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d85b5247a79355b8432bfd9ac871f96117f750d4"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-908"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: chardev: fix error handling in cdev_device_add()", "id": "2395406", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2395406"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2022-50282", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-09-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50282\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50282\nhttps://lore.kernel.org/linux-cve-announce/2025091507-CVE-2022-50282-322d@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-09-17T10:07:38.172707+00:00", "updated": "2025-09-17T10:07:38.172796+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}