{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50412", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-17T14:53:07.002Z", "datePublished": "2025-09-18T16:03:56.159Z", "dateUpdated": "2026-05-11T19:18:59.583Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:18:59.583Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm: bridge: adv7511: unregister cec i2c device after cec adapter\n\ncec_unregister_adapter() assumes that the underlying adapter ops are\ncallable. For example, if the CEC adapter currently has a valid physical\naddress, then the unregistration procedure will invalidate the physical\naddress by setting it to f.f.f.f. Whence the following kernel oops\nobserved after removing the adv7511 module:\n\n Unable to handle kernel execution of user memory at virtual address 0000000000000000\n Internal error: Oops: 86000004 [#1] PREEMPT_RT SMP\n Call trace:\n 0x0\n adv7511_cec_adap_log_addr+0x1ac/0x1c8 [adv7511]\n cec_adap_unconfigure+0x44/0x90 [cec]\n __cec_s_phys_addr.part.0+0x68/0x230 [cec]\n __cec_s_phys_addr+0x40/0x50 [cec]\n cec_unregister_adapter+0xb4/0x118 [cec]\n adv7511_remove+0x60/0x90 [adv7511]\n i2c_device_remove+0x34/0xe0\n device_release_driver_internal+0x114/0x1f0\n driver_detach+0x54/0xe0\n bus_remove_driver+0x60/0xd8\n driver_unregister+0x34/0x60\n i2c_del_driver+0x2c/0x68\n adv7511_exit+0x1c/0x67c [adv7511]\n __arm64_sys_delete_module+0x154/0x288\n invoke_syscall+0x48/0x100\n el0_svc_common.constprop.0+0x48/0xe8\n do_el0_svc+0x28/0x88\n el0_svc+0x1c/0x50\n el0t_64_sync_handler+0xa8/0xb0\n el0t_64_sync+0x15c/0x160\n Code: bad PC value\n ---[ end trace 0000000000000000 ]---\n\nProtect against this scenario by unregistering i2c_cec after\nunregistering the CEC adapter. Duly disable the CEC clock afterwards\ntoo."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/bridge/adv7511/adv7511_drv.c"], "versions": [{"version": "3b1b975003e4a3da4b93ab032487a3ae4afca7b5", "lessThan": "3747465c5da7a11957a34bbb9485d9fc253b91cc", "status": "affected", "versionType": "git"}, {"version": "3b1b975003e4a3da4b93ab032487a3ae4afca7b5", "lessThan": "f369fb4deed7ab997cfa703dc85ec08b3adc1af8", "status": "affected", "versionType": "git"}, {"version": "3b1b975003e4a3da4b93ab032487a3ae4afca7b5", "lessThan": "4d4d5bc659206b187263190ad9a03513f625659d", "status": "affected", "versionType": "git"}, {"version": "3b1b975003e4a3da4b93ab032487a3ae4afca7b5", "lessThan": "86ae5170786aea3e1751123ca55700fb9b37b623", "status": "affected", "versionType": "git"}, {"version": "3b1b975003e4a3da4b93ab032487a3ae4afca7b5", "lessThan": "40cdb02cb9f965732eb543d47f15bef8d10f0f5f", "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/gpu/drm/bridge/adv7511/adv7511_drv.c"], "versions": [{"version": "4.15", "status": "affected"}, {"version": "0", "lessThan": "4.15", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.234", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.75", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.17", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.3", "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": "4.15", "versionEndExcluding": "5.10.234"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.15.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.19.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.0.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3747465c5da7a11957a34bbb9485d9fc253b91cc"}, {"url": "https://git.kernel.org/stable/c/f369fb4deed7ab997cfa703dc85ec08b3adc1af8"}, {"url": "https://git.kernel.org/stable/c/4d4d5bc659206b187263190ad9a03513f625659d"}, {"url": "https://git.kernel.org/stable/c/86ae5170786aea3e1751123ca55700fb9b37b623"}, {"url": "https://git.kernel.org/stable/c/40cdb02cb9f965732eb543d47f15bef8d10f0f5f"}], "title": "drm: bridge: adv7511: unregister cec i2c device after cec adapter", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2022-50412", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-01-14T19:09:15.618187Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "CWE-noinfo Not enough information"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-14T19:13:09.192Z"}}]}}

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For example, if the CEC adapter currently has a valid physical\naddress, then the unregistration procedure will invalidate the physical\naddress by setting it to f.f.f.f. Whence the following kernel oops\nobserved after removing the adv7511 module:\n\n Unable to handle kernel execution of user memory at virtual address 0000000000000000\n Internal error: Oops: 86000004 [#1] PREEMPT_RT SMP\n Call trace:\n 0x0\n adv7511_cec_adap_log_addr+0x1ac/0x1c8 [adv7511]\n cec_adap_unconfigure+0x44/0x90 [cec]\n __cec_s_phys_addr.part.0+0x68/0x230 [cec]\n __cec_s_phys_addr+0x40/0x50 [cec]\n cec_unregister_adapter+0xb4/0x118 [cec]\n adv7511_remove+0x60/0x90 [adv7511]\n i2c_device_remove+0x34/0xe0\n device_release_driver_internal+0x114/0x1f0\n driver_detach+0x54/0xe0\n bus_remove_driver+0x60/0xd8\n driver_unregister+0x34/0x60\n i2c_del_driver+0x2c/0x68\n adv7511_exit+0x1c/0x67c [adv7511]\n __arm64_sys_delete_module+0x154/0x288\n invoke_syscall+0x48/0x100\n el0_svc_common.constprop.0+0x48/0xe8\n do_el0_svc+0x28/0x88\n el0_svc+0x1c/0x50\n el0t_64_sync_handler+0xa8/0xb0\n el0t_64_sync+0x15c/0x160\n Code: bad PC value\n ---[ end trace 0000000000000000 ]---\n\nProtect against this scenario by unregistering i2c_cec after\nunregistering the CEC adapter. Duly disable the CEC clock afterwards\ntoo."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.234", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.75", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.19.17", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.0.3", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1", "versionStartIncluding": "4.15"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:18:59.583Z"}}}, "cveMetadata": {"cveId": "CVE-2022-50412", "state": "PUBLISHED", "dateUpdated": "2026-05-11T19:18:59.583Z", "dateReserved": "2025-09-17T14:53:07.002Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-09-18T16:03:56.159Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DFFECED7-92AA-4272-93E6-4CE1FEF09311", "versionEndExcluding": "5.10.234", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6D945F46-F32F-4C09-8400-C3477E22A9FB", "versionEndExcluding": "5.15.75", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "19B4C3A4-E5C3-41DC-BB14-BE72858E7D35", "versionEndExcluding": "5.19.17", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "5BCD8201-B847-4442-B894-70D430128DEF", "versionEndExcluding": "6.0.3", "versionStartIncluding": "6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm: bridge: adv7511: unregister cec i2c device after cec adapter\n\ncec_unregister_adapter() assumes that the underlying adapter ops are\ncallable. For example, if the CEC adapter currently has a valid physical\naddress, then the unregistration procedure will invalidate the physical\naddress by setting it to f.f.f.f. Whence the following kernel oops\nobserved after removing the adv7511 module:\n\n Unable to handle kernel execution of user memory at virtual address 0000000000000000\n Internal error: Oops: 86000004 [#1] PREEMPT_RT SMP\n Call trace:\n 0x0\n adv7511_cec_adap_log_addr+0x1ac/0x1c8 [adv7511]\n cec_adap_unconfigure+0x44/0x90 [cec]\n __cec_s_phys_addr.part.0+0x68/0x230 [cec]\n __cec_s_phys_addr+0x40/0x50 [cec]\n cec_unregister_adapter+0xb4/0x118 [cec]\n adv7511_remove+0x60/0x90 [adv7511]\n i2c_device_remove+0x34/0xe0\n device_release_driver_internal+0x114/0x1f0\n driver_detach+0x54/0xe0\n bus_remove_driver+0x60/0xd8\n driver_unregister+0x34/0x60\n i2c_del_driver+0x2c/0x68\n adv7511_exit+0x1c/0x67c [adv7511]\n __arm64_sys_delete_module+0x154/0x288\n invoke_syscall+0x48/0x100\n el0_svc_common.constprop.0+0x48/0xe8\n do_el0_svc+0x28/0x88\n el0_svc+0x1c/0x50\n el0t_64_sync_handler+0xa8/0xb0\n el0t_64_sync+0x15c/0x160\n Code: bad PC value\n ---[ end trace 0000000000000000 ]---\n\nProtect against this scenario by unregistering i2c_cec after\nunregistering the CEC adapter. Duly disable the CEC clock afterwards\ntoo."}], "id": "CVE-2022-50412", "lastModified": "2026-01-14T20:15:53.953", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2025-09-18T16:15:44.503", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3747465c5da7a11957a34bbb9485d9fc253b91cc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/40cdb02cb9f965732eb543d47f15bef8d10f0f5f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4d4d5bc659206b187263190ad9a03513f625659d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/86ae5170786aea3e1751123ca55700fb9b37b623"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f369fb4deed7ab997cfa703dc85ec08b3adc1af8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: drm: bridge: adv7511: unregister cec i2c device after cec adapter", "id": "2396530", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2396530"}, "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-2022-50412", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not 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": "2025-09-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50412\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50412\nhttps://lore.kernel.org/linux-cve-announce/2025091854-CVE-2022-50412-0f2e@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-09-19T09:35:26.497308+00:00", "updated": "2025-09-19T09:35:26.497401+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}