CVE-2022-49780

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So fix\nthis by calling put_device(), then the name can be freed in kobject_cleanup().\nThe 'tl_hba' will be freed in tcm_loop_release_adapter(), so it don't need\ngoto error label in this case."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/target/loopback/tcm_loop.c"], "versions": [{"version": "3703b2c5d041a68095cdd22380c23ce27d449ad7", "lessThan": "41a6b8b527a5957fab41c3c05e25ad125268e2e9", "status": "affected", "versionType": "git"}, {"version": "3703b2c5d041a68095cdd22380c23ce27d449ad7", "lessThan": "28f7ff5e7559d226e63c7c5de74eb075a83d8c53", "status": "affected", "versionType": "git"}, {"version": "3703b2c5d041a68095cdd22380c23ce27d449ad7", "lessThan": "75205f1b47a88c3fac4f30bd7567e89b2887c7fd", "status": "affected", "versionType": "git"}, {"version": "3703b2c5d041a68095cdd22380c23ce27d449ad7", "lessThan": "a636772988bafab89278e7bb3420d8e8eacfe912", "status": "affected", "versionType": "git"}, {"version": "3703b2c5d041a68095cdd22380c23ce27d449ad7", "lessThan": "dce0589a3faec9e2e543e97bca7e62592ec85585", "status": "affected", "versionType": "git"}, {"version": "3703b2c5d041a68095cdd22380c23ce27d449ad7", "lessThan": "bc68e428d4963af0201e92159629ab96948f0893", "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/target/loopback/tcm_loop.c"], "versions": [{"version": "2.6.39", "status": "affected"}, {"version": "0", "lessThan": "2.6.39", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.267", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.225", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.156", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.80", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.10", "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": "2.6.39", "versionEndExcluding": "4.19.267"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "5.4.225"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "5.10.156"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "5.15.80"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "6.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/41a6b8b527a5957fab41c3c05e25ad125268e2e9"}, {"url": "https://git.kernel.org/stable/c/28f7ff5e7559d226e63c7c5de74eb075a83d8c53"}, {"url": "https://git.kernel.org/stable/c/75205f1b47a88c3fac4f30bd7567e89b2887c7fd"}, {"url": "https://git.kernel.org/stable/c/a636772988bafab89278e7bb3420d8e8eacfe912"}, {"url": "https://git.kernel.org/stable/c/dce0589a3faec9e2e543e97bca7e62592ec85585"}, {"url": "https://git.kernel.org/stable/c/bc68e428d4963af0201e92159629ab96948f0893"}], "title": "scsi: target: tcm_loop: Fix possible name leak in tcm_loop_setup_hba_bus()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2022-49780", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-05T19:47:35.495862Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-05T19:49:47.812Z"}}]}}

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As comment of device_register() says, it\nshould use put_device() to give up the reference in the error path. So fix\nthis by calling put_device(), then the name can be freed in kobject_cleanup().\nThe 'tl_hba' will be freed in tcm_loop_release_adapter(), so it don't need\ngoto error label in this case."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.19.267", "versionStartIncluding": "2.6.39"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.225", "versionStartIncluding": "2.6.39"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.156", "versionStartIncluding": "2.6.39"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.80", "versionStartIncluding": "2.6.39"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.0.10", "versionStartIncluding": "2.6.39"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1", "versionStartIncluding": "2.6.39"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:06:38.266Z"}}}, "cveMetadata": {"cveId": "CVE-2022-49780", "state": "PUBLISHED", "dateUpdated": "2026-11-05T19:49:47.812Z", "dateReserved": "2025-04-16T07:17:33.806Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-05-01T14:09:15.135Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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As comment of device_register() says, it\nshould use put_device() to give up the reference in the error path. So fix\nthis by calling put_device(), then the name can be freed in kobject_cleanup().\nThe 'tl_hba' will be freed in tcm_loop_release_adapter(), so it don't need\ngoto error label in this case."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: target: tcm_loop: Se corrige una posible fuga de nombre en tcm_loop_setup_hba_bus(). Si device_register() falla en tcm_loop_setup_hba_bus(), se debe liberar el nombre asignado por dev_set_name(). Como se indica en el comentario de device_register(), se debe usar put_device() para liberar la referencia en la ruta de error. Para solucionar esto, se debe llamar a put_device(); luego, el nombre se puede liberar en kobject_cleanup(). El 'tl_hba' se liberar\u00e1 en tcm_loop_release_adapter(), por lo que no es necesario ir a la etiqueta de error en este caso."}], "id": "CVE-2022-49780", "lastModified": "2026-11-05T20:17:10.647", "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-2022-49780", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T19:47:35.495862Z", "version": "2.0.3"}}]}, "published": "2025-05-01T15:16:01.200", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/28f7ff5e7559d226e63c7c5de74eb075a83d8c53"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/41a6b8b527a5957fab41c3c05e25ad125268e2e9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/75205f1b47a88c3fac4f30bd7567e89b2887c7fd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a636772988bafab89278e7bb3420d8e8eacfe912"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bc68e428d4963af0201e92159629ab96948f0893"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dce0589a3faec9e2e543e97bca7e62592ec85585"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: scsi: target: tcm_loop: Fix possible name leak in tcm_loop_setup_hba_bus()", "id": "2363399", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363399"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nscsi: target: tcm_loop: Fix possible name leak in tcm_loop_setup_hba_bus()\nIf device_register() fails in tcm_loop_setup_hba_bus(), the name allocated\nby dev_set_name() need be freed. As comment of device_register() says, it\nshould use put_device() to give up the reference in the error path. So fix\nthis by calling put_device(), then the name can be freed in kobject_cleanup().\nThe 'tl_hba' will be freed in tcm_loop_release_adapter(), so it don't need\ngoto error label in this case."], "name": "CVE-2022-49780", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49780\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49780\nhttps://lore.kernel.org/linux-cve-announce/2025050119-CVE-2022-49780-e1de@gregkh/T"], "statement": "A memory leak was identified in tcm_loop_setup_hba_bus() where the name allocated via dev_set_name() was not released when device_register() failed. The issue is resolved by adding put_device() in the error path, ensuring proper cleanup via kobject_cleanup().", "threat_severity": "Moderate"}

{"created": "2025-06-24T09:51:41.088591+00:00", "updated": "2025-06-24T09:51:41.088644+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}