CVE-2022-50135

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/infiniband/sw/rxe/rxe_qp.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "8598b9d0a364c1663c96fc0fab9df0d36c809aea", "status": "affected", "version": "4703b4f0d94a5f887297713a2f6c2916a1ef08fd", "versionType": "git"}, {"lessThan": "37da51efe6eaa0560f46803c8c436a48a2084da7", "status": "affected", "version": "4703b4f0d94a5f887297713a2f6c2916a1ef08fd", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/infiniband/sw/rxe/rxe_qp.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.19"}, {"lessThan": "5.19", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.19.*", "status": "unaffected", "version": "5.19.2", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A1A2A5A5-4598-4D7E-BA07-4660398D6C8F", "versionEndExcluding": "5.19.2", "versionStartIncluding": "5.19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rxe: Fix BUG: KASAN: null-ptr-deref in rxe_qp_do_cleanup\n\nThe function rxe_create_qp calls rxe_qp_from_init. If some error\noccurs, the error handler of function rxe_qp_from_init will set\nboth scq and rcq to NULL.\n\nThen rxe_create_qp calls rxe_put to handle qp. In the end,\nrxe_qp_do_cleanup is called by rxe_put. rxe_qp_do_cleanup directly\naccesses scq and rcq before checking them. This will cause\nnull-ptr-deref error.\n\nThe call graph is as below:\n\nrxe_create_qp {\n ...\n rxe_qp_from_init {\n ...\n err1:\n ...\n qp->rcq = NULL; <---rcq is set to NULL\n qp->scq = NULL; <---scq is set to NULL\n ...\n }\n\nqp_init:\n rxe_put{\n ...\n rxe_qp_do_cleanup {\n ...\n atomic_dec(&qp->scq->num_wq); <--- scq is accessed\n ...\n atomic_dec(&qp->rcq->num_wq); <--- rcq is accessed\n }\n}"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: RDMA/rxe: Correcci\u00f3n BUG: KASAN: null-ptr-deref en rxe_qp_do_cleanup La funci\u00f3n rxe_create_qp llama a rxe_qp_from_init. Si ocurre alg\u00fan error, el controlador de errores de la funci\u00f3n rxe_qp_from_init establecer\u00e1 tanto scq como rcq en NULL. Luego, rxe_create_qp llama a rxe_put para manejar qp. Al final, rxe_put llama a rxe_qp_do_cleanup. rxe_qp_do_cleanup accede directamente a scq y rcq antes de verificarlos. Esto causar\u00e1 un error null-ptr-deref. El gr\u00e1fico de llamadas es el siguiente: rxe_create_qp { ... rxe_qp_from_init { ... err1: ... qp-&gt;rcq = NULL; &lt;---rcq se establece en NULL qp-&gt;scq = NULL; &lt;---scq se establece en NULL ... } qp_init: rxe_put{ ... rxe_qp_do_cleanup { ... atomic_dec(&amp;qp-&gt;scq-&gt;num_wq); &lt;--- se accede a scq ... atomic_dec(&amp;qp-&gt;rcq-&gt;num_wq); &lt;--- se accede a rcq } }"}], "id": "CVE-2022-50135", "lastModified": "2026-11-05T20:17:25.040", "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-2022-50135", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T19:55:05.892280Z", "version": "2.0.3"}}]}, "published": "2025-06-18T11:15:43.387", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/37da51efe6eaa0560f46803c8c436a48a2084da7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8598b9d0a364c1663c96fc0fab9df0d36c809aea"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: RDMA/rxe: Fix BUG: KASAN: null-ptr-deref in rxe_qp_do_cleanup", "id": "2373655", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373655"}, "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:\nRDMA/rxe: Fix BUG: KASAN: null-ptr-deref in rxe_qp_do_cleanup\nThe function rxe_create_qp calls rxe_qp_from_init. If some error\noccurs, the error handler of function rxe_qp_from_init will set\nboth scq and rcq to NULL.\nThen rxe_create_qp calls rxe_put to handle qp. In the end,\nrxe_qp_do_cleanup is called by rxe_put. rxe_qp_do_cleanup directly\naccesses scq and rcq before checking them. This will cause\nnull-ptr-deref error.\nThe call graph is as below:\nrxe_create_qp {\n...\nrxe_qp_from_init {\n...\nerr1:\n...\nqp->rcq = NULL; <---rcq is set to NULL\nqp->scq = NULL; <---scq is set to NULL\n...\n}\nqp_init:\nrxe_put{\n...\nrxe_qp_do_cleanup {\n...\natomic_dec(&qp->scq->num_wq); <--- scq is accessed\n...\natomic_dec(&qp->rcq->num_wq); <--- rcq is accessed\n}\n}"], "name": "CVE-2022-50135", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "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": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50135\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50135\nhttps://lore.kernel.org/linux-cve-announce/2025061816-CVE-2022-50135-585a@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-06-23T08:36:34.178842+00:00", "updated": "2025-06-23T08:36:34.178889+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}