{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-52877", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T15:19:24.264Z", "datePublished": "2024-05-21T15:32:09.946Z", "dateUpdated": "2025-05-04T07:44:59.559Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:44:59.559Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm()\n\nIt is possible that typec_register_partner() returns ERR_PTR on failure.\nWhen port->partner is an error, a NULL pointer dereference may occur as\nshown below.\n\n[91222.095236][ T319] typec port0: failed to register partner (-17)\n...\n[91225.061491][ T319] Unable to handle kernel NULL pointer dereference\nat virtual address 000000000000039f\n[91225.274642][ T319] pc : tcpm_pd_data_request+0x310/0x13fc\n[91225.274646][ T319] lr : tcpm_pd_data_request+0x298/0x13fc\n[91225.308067][ T319] Call trace:\n[91225.308070][ T319] tcpm_pd_data_request+0x310/0x13fc\n[91225.308073][ T319] tcpm_pd_rx_handler+0x100/0x9e8\n[91225.355900][ T319] kthread_worker_fn+0x178/0x58c\n[91225.355902][ T319] kthread+0x150/0x200\n[91225.355905][ T319] ret_from_fork+0x10/0x30\n\nAdd a check for port->partner to avoid dereferencing a NULL pointer."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/typec/tcpm/tcpm.c"], "versions": [{"version": "5e1d4c49fbc86dab6e005d66f066bd53c9479cde", "lessThan": "e5f53a68a596e04df3fde3099273435a30b6fdac", "status": "affected", "versionType": "git"}, {"version": "5e1d4c49fbc86dab6e005d66f066bd53c9479cde", "lessThan": 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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BE3E3D94-2265-455D-81D6-B5F93195B8EC", "versionEndExcluding": "5.15.138", "versionStartIncluding": "5.12", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6CE6398D-E68C-4114-8DD5-6090CE798F66", "versionEndExcluding": "6.1.62", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F5531B4C-BC22-4135-B4CF-10C242D1E064", "versionEndExcluding": "6.5.11", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "7410F853-DEA4-430A-9EEB-9F88ED426353", "versionEndExcluding": "6.6.1", "versionStartIncluding": "6.6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm()\n\nIt is possible that typec_register_partner() returns ERR_PTR on failure.\nWhen port->partner is an error, a NULL pointer dereference may occur as\nshown below.\n\n[91222.095236][ T319] typec port0: failed to register partner (-17)\n...\n[91225.061491][ T319] Unable to handle kernel NULL pointer dereference\nat virtual address 000000000000039f\n[91225.274642][ T319] pc : tcpm_pd_data_request+0x310/0x13fc\n[91225.274646][ T319] lr : tcpm_pd_data_request+0x298/0x13fc\n[91225.308067][ T319] Call trace:\n[91225.308070][ T319] tcpm_pd_data_request+0x310/0x13fc\n[91225.308073][ T319] tcpm_pd_rx_handler+0x100/0x9e8\n[91225.355900][ T319] kthread_worker_fn+0x178/0x58c\n[91225.355902][ T319] kthread+0x150/0x200\n[91225.355905][ T319] ret_from_fork+0x10/0x30\n\nAdd a check for port->partner to avoid dereferencing a NULL pointer."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: typec: tcpm: corrige la desreferencia del puntero NULL en tcpm_pd_svdm(). Es posible que typec_register_partner() devuelva ERR_PTR en caso de fallo. Cuando port->partner es un error, puede ocurrir una desreferencia de puntero NULL como se muestra a continuaci\u00f3n. [91222.095236][T319] typec port0: no se pudo registrar el socio (-17)... [91225.061491][T319] No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual 000000000000039f [91225.274642][T319] pc: tcpm_pd_data_request+0x310 /0x13fc [91225.274646][ T319] lr: tcpm_pd_data_request+0x298/0x13fc [91225.308067][ T319] Rastreo de llamadas: [91225.308070][ T319] tcpm_pd_data_request+0x310/0x13fc 3][T319] tcpm_pd_rx_handler+0x100/0x9e8 [91225.355900][T319] kthread_worker_fn+0x178/0x58c [91225.355902][ T319] kthread+0x150/0x200 [91225.355905][ T319] ret_from_fork+0x10/0x30 Agregue una verificaci\u00f3n de port->partner para evitar desreferenciar un puntero NULL."}], "id": "CVE-2023-52877", "lastModified": "2025-01-06T20:32:18.993", "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": "[email protected]", "type": "Primary"}]}, "published": "2024-05-21T16:15:24.377", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4987daf86c152ff882d51572d154ad12e4ff3a4b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9ee038590d808a95d16adf92818dcd4752273c08"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b37a168c0137156042a0ca9626651b5a789e822b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e5f53a68a596e04df3fde3099273435a30b6fdac"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e7a802447c491903aa7cb45967aa2a934a4e63fc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4987daf86c152ff882d51572d154ad12e4ff3a4b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9ee038590d808a95d16adf92818dcd4752273c08"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b37a168c0137156042a0ca9626651b5a789e822b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e5f53a68a596e04df3fde3099273435a30b6fdac"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e7a802447c491903aa7cb45967aa2a934a4e63fc"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "[email protected]", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:4352", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.8.1.rt7.349.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-07-08T00:00:00Z"}, {"advisory": "RHSA-2024:4211", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.8.1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-07-02T00:00:00Z"}], "bugzilla": {"description": "kernel: usb: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm()", "id": "2282712", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282712"}, "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": "verified"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nusb: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm()\nIt is possible that typec_register_partner() returns ERR_PTR on failure.\nWhen port->partner is an error, a NULL pointer dereference may occur as\nshown below.\n[91222.095236][ T319] typec port0: failed to register partner (-17)\n...\n[91225.061491][ T319] Unable to handle kernel NULL pointer dereference\nat virtual address 000000000000039f\n[91225.274642][ T319] pc : tcpm_pd_data_request+0x310/0x13fc\n[91225.274646][ T319] lr : tcpm_pd_data_request+0x298/0x13fc\n[91225.308067][ T319] Call trace:\n[91225.308070][ T319] tcpm_pd_data_request+0x310/0x13fc\n[91225.308073][ T319] tcpm_pd_rx_handler+0x100/0x9e8\n[91225.355900][ T319] kthread_worker_fn+0x178/0x58c\n[91225.355902][ T319] kthread+0x150/0x200\n[91225.355905][ T319] ret_from_fork+0x10/0x30\nAdd a check for port->partner to avoid dereferencing a NULL pointer."], "name": "CVE-2023-52877", "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:9", "fix_state": "Affected", "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": "2024-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52877\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52877\nhttps://lore.kernel.org/linux-cve-announce/2024052122-CVE-2023-52877-0826@gregkh/T"], "threat_severity": "Low"}