CVE-2022-49262

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So\nCONFIG_DM_CRYPT check in the driver can be removed.\n\nThis also fixes the NULL pointer dereference in driver release if\nCONFIG_DM_CRYPT is enabled.\n\n...\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000008\n...\nCall trace:\n crypto_unregister_alg+0x68/0xfc\n crypto_unregister_skciphers+0x44/0x60\n otx2_cpt_crypto_exit+0x100/0x1a0\n otx2_cptvf_remove+0xf8/0x200\n pci_device_remove+0x3c/0xd4\n __device_release_driver+0x188/0x234\n device_release_driver+0x2c/0x4c\n..."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: crypto: octeontx2 - eliminar la comprobaci\u00f3n CONFIG_DM_CRYPT No se encontraron problemas al usar el controlador con dm-crypt habilitado. Por lo tanto, se puede eliminar la comprobaci\u00f3n CONFIG_DM_CRYPT en el controlador. Esto tambi\u00e9n corrige la desreferencia del puntero NULL en la versi\u00f3n del controlador si CONFIG_DM_CRYPT est\u00e1 habilitado. ... No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual 0000000000000008 ... Rastreo de llamadas: crypto_unregister_alg+0x68/0xfc crypto_unregister_skciphers+0x44/0x60 otx2_cpt_crypto_exit+0x100/0x1a0 otx2_cptvf_remove+0xf8/0x200 pci_device_remove+0x3c/0xd4 __device_release_driver+0x188/0x234 device_release_driver+0x2c/0x4c ..."}], "id": "CVE-2022-49262", "lastModified": "2026-11-05T20:17:02.913", "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-2022-49262", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T19:44:53.558254Z", "version": "2.0.3"}}]}, "published": "2025-02-26T07:01:03.153", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2d841af23ae8f398c85dd1ff2dc24b5ec8ba4569"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a1bf728f3388ac3a2c2dffa57e25622e90b9f6f2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a462214866eebbca87e13ff6d73092b1c4895624"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e6374086f249295121384bfaa7cdcc8d461146f0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: crypto: octeontx2 - remove CONFIG_DM_CRYPT check", "id": "2348105", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348105"}, "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:\ncrypto: octeontx2 - remove CONFIG_DM_CRYPT check\nNo issues were found while using the driver with dm-crypt enabled. So\nCONFIG_DM_CRYPT check in the driver can be removed.\nThis also fixes the NULL pointer dereference in driver release if\nCONFIG_DM_CRYPT is enabled.\n...\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000008\n...\nCall trace:\ncrypto_unregister_alg+0x68/0xfc\ncrypto_unregister_skciphers+0x44/0x60\notx2_cpt_crypto_exit+0x100/0x1a0\notx2_cptvf_remove+0xf8/0x200\npci_device_remove+0x3c/0xd4\n__device_release_driver+0x188/0x234\ndevice_release_driver+0x2c/0x4c\n..."], "name": "CVE-2022-49262", "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": "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": "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": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49262\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49262\nhttps://lore.kernel.org/linux-cve-announce/2025022628-CVE-2022-49262-c11a@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-12T15:42:36.104416+00:00", "updated": "2025-07-12T15:42:36.104466+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}