{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-50059", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T19:36:19.939Z", "datePublished": "2024-10-21T19:39:49.079Z", "dateUpdated": "2024-11-08T15:58:10.945Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-08T15:58:10.945Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntb: ntb_hw_switchtec: Fix use after free vulnerability in switchtec_ntb_remove due to race condition\n\nIn the switchtec_ntb_add function, it can call switchtec_ntb_init_sndev\nfunction, then &sndev->check_link_status_work is bound with\ncheck_link_status_work. switchtec_ntb_link_notification may be called\nto start the work.\n\nIf we remove the module which will call switchtec_ntb_remove to make\ncleanup, it will free sndev through kfree(sndev), while the work\nmentioned above will be used. The sequence of operations that may lead\nto a UAF bug is as follows:\n\nCPU0 CPU1\n\n | check_link_status_work\nswitchtec_ntb_remove |\nkfree(sndev); |\n | if (sndev->link_force_down)\n | // use sndev\n\nFix it by ensuring that the work is canceled before proceeding with\nthe cleanup in switchtec_ntb_remove."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/ntb/hw/mscc/ntb_hw_switchtec.c"], "versions": [{"version": "1da177e4c3f4", "lessThan": "5126d8f5567f", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "b65018968782", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "92728fceefda", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "3ae45be84924", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "fa840ba4bd9f", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "177925d9c871", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f4", "lessThan": "e51aded92d42", "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/ntb/hw/mscc/ntb_hw_switchtec.c"], "versions": [{"version": "5.4.285", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.227", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.168", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.113", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.57", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.4", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12-rc1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/5126d8f5567f49b52e21fca320eaa97977055099"}, {"url": "https://git.kernel.org/stable/c/b650189687822b705711f0567a65a164a314d8df"}, {"url": "https://git.kernel.org/stable/c/92728fceefdaa2a0a3aae675f86193b006eeaa43"}, {"url": "https://git.kernel.org/stable/c/3ae45be8492460a35b5aebf6acac1f1d32708946"}, {"url": "https://git.kernel.org/stable/c/fa840ba4bd9f3bad7f104e5b32028ee73af8b3dd"}, {"url": "https://git.kernel.org/stable/c/177925d9c8715a897bb79eca62628862213ba956"}, {"url": "https://git.kernel.org/stable/c/e51aded92d42784313ba16c12f4f88cc4f973bbb"}], "title": "ntb: ntb_hw_switchtec: Fix use after free vulnerability in switchtec_ntb_remove due to race condition", "x_generator": {"engine": "bippy-9e1c9544281a"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-50059", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-10-22T13:23:07.094134Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-22T13:28:42.461Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-50059", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-10-22T13:23:07.094134Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-22T13:23:10.327Z"}}], "cna": {"title": "ntb: ntb_hw_switchtec: Fix use after free vulnerability in switchtec_ntb_remove due to race condition", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "1da177e4c3f4", "lessThan": "5126d8f5567f", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "b65018968782", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "92728fceefda", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "3ae45be84924", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "fa840ba4bd9f", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "177925d9c871", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "e51aded92d42", "versionType": "git"}], "programFiles": ["drivers/ntb/hw/mscc/ntb_hw_switchtec.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "unaffected", "version": "5.4.285", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.227", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.168", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.113", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.57", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.11.4", "versionType": "semver", "lessThanOrEqual": "6.11.*"}, {"status": "unaffected", "version": "6.12-rc1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/ntb/hw/mscc/ntb_hw_switchtec.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/5126d8f5567f49b52e21fca320eaa97977055099"}, {"url": "https://git.kernel.org/stable/c/b650189687822b705711f0567a65a164a314d8df"}, {"url": "https://git.kernel.org/stable/c/92728fceefdaa2a0a3aae675f86193b006eeaa43"}, {"url": "https://git.kernel.org/stable/c/3ae45be8492460a35b5aebf6acac1f1d32708946"}, {"url": "https://git.kernel.org/stable/c/fa840ba4bd9f3bad7f104e5b32028ee73af8b3dd"}, {"url": "https://git.kernel.org/stable/c/177925d9c8715a897bb79eca62628862213ba956"}, {"url": "https://git.kernel.org/stable/c/e51aded92d42784313ba16c12f4f88cc4f973bbb"}], "x_generator": {"engine": "bippy-9e1c9544281a"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntb: ntb_hw_switchtec: Fix use after free vulnerability in switchtec_ntb_remove due to race condition\n\nIn the switchtec_ntb_add function, it can call switchtec_ntb_init_sndev\nfunction, then &sndev->check_link_status_work is bound with\ncheck_link_status_work. switchtec_ntb_link_notification may be called\nto start the work.\n\nIf we remove the module which will call switchtec_ntb_remove to make\ncleanup, it will free sndev through kfree(sndev), while the work\nmentioned above will be used. The sequence of operations that may lead\nto a UAF bug is as follows:\n\nCPU0 CPU1\n\n | check_link_status_work\nswitchtec_ntb_remove |\nkfree(sndev); |\n | if (sndev->link_force_down)\n | // use sndev\n\nFix it by ensuring that the work is canceled before proceeding with\nthe cleanup in switchtec_ntb_remove."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-08T15:58:10.945Z"}}}, "cveMetadata": {"cveId": "CVE-2024-50059", "state": "PUBLISHED", "dateUpdated": "2024-11-08T15:58:10.945Z", "dateReserved": "2024-10-21T19:36:19.939Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-10-21T19:39:49.079Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "EB525A44-6338-4857-AD90-EA2860D1AD1F", "versionEndExcluding": "5.10.227", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4D51C05D-455B-4D8D-89E7-A58E140B864C", "versionEndExcluding": "5.15.168", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D01BD22E-ACD1-4618-9D01-6116570BE1EE", "versionEndExcluding": "6.1.113", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "05D83DB8-7465-4F88-AFB2-980011992AC1", "versionEndExcluding": "6.6.57", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "AA84D336-CE9A-4535-B901-1AD77EC17C34", "versionEndExcluding": "6.11.4", "versionStartIncluding": "6.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntb: ntb_hw_switchtec: Fix use after free vulnerability in switchtec_ntb_remove due to race condition\n\nIn the switchtec_ntb_add function, it can call switchtec_ntb_init_sndev\nfunction, then &sndev->check_link_status_work is bound with\ncheck_link_status_work. switchtec_ntb_link_notification may be called\nto start the work.\n\nIf we remove the module which will call switchtec_ntb_remove to make\ncleanup, it will free sndev through kfree(sndev), while the work\nmentioned above will be used. The sequence of operations that may lead\nto a UAF bug is as follows:\n\nCPU0 CPU1\n\n | check_link_status_work\nswitchtec_ntb_remove |\nkfree(sndev); |\n | if (sndev->link_force_down)\n | // use sndev\n\nFix it by ensuring that the work is canceled before proceeding with\nthe cleanup in switchtec_ntb_remove."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ntb: ntb_hw_switchtec: Se corrige la vulnerabilidad de use after free en switchtec_ntb_remove debido a la condici\u00f3n de ejecuci\u00f3n En la funci\u00f3n switchtec_ntb_add, puede llamar a la funci\u00f3n switchtec_ntb_init_sndev, luego &sndev->check_link_status_work se vincula con check_link_status_work. Se puede llamar a switchtec_ntb_link_notification para iniciar el trabajo. Si eliminamos el m\u00f3dulo que llamar\u00e1 a switchtec_ntb_remove para realizar la limpieza, liberar\u00e1 sndev a trav\u00e9s de kfree(sndev), mientras que se utilizar\u00e1 el trabajo mencionado anteriormente. La secuencia de operaciones que puede llevar a un error de UAF es la siguiente: CPU0 CPU1 | check_link_status_work switchtec_ntb_remove | kfree(sndev); | | if (sndev->link_force_down) | // use sndev Arr\u00e9glelo asegur\u00e1ndose de que el trabajo se cancele antes de continuar con la limpieza en switchtec_ntb_remove."}], "id": "CVE-2024-50059", "lastModified": "2024-11-08T16:15:45.267", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-10-21T20:15:18.057", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/177925d9c8715a897bb79eca62628862213ba956"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3ae45be8492460a35b5aebf6acac1f1d32708946"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5126d8f5567f49b52e21fca320eaa97977055099"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/92728fceefdaa2a0a3aae675f86193b006eeaa43"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b650189687822b705711f0567a65a164a314d8df"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e51aded92d42784313ba16c12f4f88cc4f973bbb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fa840ba4bd9f3bad7f104e5b32028ee73af8b3dd"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ntb: ntb_hw_switchtec: Fix use after free vulnerability in switchtec_ntb_remove due to race condition", "id": "2320618", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2320618"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nntb: ntb_hw_switchtec: Fix use after free vulnerability in switchtec_ntb_remove due to race condition\nIn the switchtec_ntb_add function, it can call switchtec_ntb_init_sndev\nfunction, then &sndev->check_link_status_work is bound with\ncheck_link_status_work. switchtec_ntb_link_notification may be called\nto start the work.\nIf we remove the module which will call switchtec_ntb_remove to make\ncleanup, it will free sndev through kfree(sndev), while the work\nmentioned above will be used. The sequence of operations that may lead\nto a UAF bug is as follows:\nCPU0 CPU1\n| check_link_status_work\nswitchtec_ntb_remove |\nkfree(sndev); |\n| if (sndev->link_force_down)\n| // use sndev\nFix it by ensuring that the work is canceled before proceeding with\nthe cleanup in switchtec_ntb_remove."], "name": "CVE-2024-50059", "package_state": [{"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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-10-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50059\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50059\nhttps://lore.kernel.org/linux-cve-announce/2024102135-CVE-2024-50059-4ccd@gregkh/T"], "threat_severity": "Moderate"}