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In alg_test(), a WARN is\ngenerated when pcrypt_aead_decrypt() or pcrypt_aead_encrypt() returns\n-EAGAIN, the unnecessary panic will occur when panic_on_warn set 1.\nFix this issue by calling crypto layer directly without parallelization\nin that case."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: crypto: pcrypt - Llamar a la capa de cifrado directamente cuando padata_do_parallel() devuelve -EBUSY Desde el commit 8f4f68e788c3 (\"crypto: pcrypt - Fix hungtask for PADATA_RESET\"), las operaciones de cifrado y descifrado de pcrypt devuelven -EAGAIN cuando la CPU se conecta o desconecta. En alg_test(), se genera una ADVERTENCIA cuando pcrypt_aead_decrypt() o pcrypt_aead_encrypt() devuelve -EAGAIN, el p\u00e1nico innecesario ocurrir\u00e1 cuando panic_on_warn se establezca en 1. Solucione este problema llamando a la capa de cifrado directamente sin paralelizaci\u00f3n en ese caso."}], "id": "CVE-2024-56690", "lastModified": "2025-10-06T17:40:34.297", "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"}]}, "published": "2024-12-28T10:15:13.537", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5edae7a9a35606017ee6e05911c290acee9fee5a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/662f2f13e66d3883b9238b0b96b17886179e60e2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7ddab756f2de5b7b43c122ebebdf37f400fb2b6f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/92834692a539b5b7f409e467a14667d64713b732"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/96001f52ae8c70e2c736d3e1e5dc53d5b521e5ca"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a8e0074ffb38c9a5964a221bb998034d016c93a2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a92ccd3618e42333ac6f150ecdac14dca298bc7a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dd8bf8eb5beba1e7c3b11a9a5a58ccbf345a69e6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fca8aed12218f96b38e374ff264d78ea1fbd23cc"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: crypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY", "id": "2334676", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2334676"}, "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"}, "cwe": "CWE-703", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ncrypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY\nSince commit 8f4f68e788c3 (\"crypto: pcrypt - Fix hungtask for\nPADATA_RESET\"), the pcrypt encryption and decryption operations return\n-EAGAIN when the CPU goes online or offline. In alg_test(), a WARN is\ngenerated when pcrypt_aead_decrypt() or pcrypt_aead_encrypt() returns\n-EAGAIN, the unnecessary panic will occur when panic_on_warn set 1.\nFix this issue by calling crypto layer directly without parallelization\nin that case."], "name": "CVE-2024-56690", "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": "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-12-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-56690\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-56690\nhttps://lore.kernel.org/linux-cve-announce/2024122834-CVE-2024-56690-b77f@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-12T23:06:34.902437+00:00", "updated": "2025-07-12T23:06:34.902491+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}