{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-49709", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:21:30.444Z", "datePublished": "2025-02-26T02:24:26.817Z", "dateUpdated": "2026-05-11T19:05:13.734Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:05:13.734Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncfi: Fix __cfi_slowpath_diag RCU usage with cpuidle\n\nRCU_NONIDLE usage during __cfi_slowpath_diag can result in an invalid\nRCU state in the cpuidle code path:\n\n WARNING: CPU: 1 PID: 0 at kernel/rcu/tree.c:613 rcu_eqs_enter+0xe4/0x138\n ...\n Call trace:\n rcu_eqs_enter+0xe4/0x138\n rcu_idle_enter+0xa8/0x100\n cpuidle_enter_state+0x154/0x3a8\n cpuidle_enter+0x3c/0x58\n do_idle.llvm.6590768638138871020+0x1f4/0x2ec\n cpu_startup_entry+0x28/0x2c\n secondary_start_kernel+0x1b8/0x220\n __secondary_switched+0x94/0x98\n\nInstead, call rcu_irq_enter/exit to wake up RCU only when needed and\ndisable interrupts for the entire CFI shadow/module check when we do."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/cfi.c"], "versions": [{"version": "cf68fffb66d60d96209446bfc4a15291dc5a5d41", "lessThan": "75f3a5fa2ad049c85ab5d5ee1ed9cfaa7e62c5ed", "status": "affected", "versionType": "git"}, {"version": "cf68fffb66d60d96209446bfc4a15291dc5a5d41", "lessThan": "ca3897f2ac02ceae5e6fa794f83c36f9885b93da", "status": "affected", "versionType": "git"}, {"version": "cf68fffb66d60d96209446bfc4a15291dc5a5d41", "lessThan": "57cd6d157eb479f0a8e820fd36b7240845c8a937", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/cfi.c"], "versions": [{"version": "5.13", "status": "affected"}, {"version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.49", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.6", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "5.15.49"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "5.18.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "5.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/75f3a5fa2ad049c85ab5d5ee1ed9cfaa7e62c5ed"}, {"url": "https://git.kernel.org/stable/c/ca3897f2ac02ceae5e6fa794f83c36f9885b93da"}, {"url": "https://git.kernel.org/stable/c/57cd6d157eb479f0a8e820fd36b7240845c8a937"}], "title": "cfi: Fix __cfi_slowpath_diag RCU usage with cpuidle", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FEF8BF2A-189A-40B4-AE3D-441A80308DD0", "versionEndExcluding": "5.15.49", "versionStartIncluding": "5.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CDD33A19-B51E-4090-A47B-073098916815", "versionEndExcluding": "5.18.6", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*", "matchCriteriaId": "A8C30C2D-F82D-4D37-AB48-D76ABFBD5377", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*", "matchCriteriaId": "BF8547FC-C849-4F1B-804B-A93AE2F04A92", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncfi: Fix __cfi_slowpath_diag RCU usage with cpuidle\n\nRCU_NONIDLE usage during __cfi_slowpath_diag can result in an invalid\nRCU state in the cpuidle code path:\n\n WARNING: CPU: 1 PID: 0 at kernel/rcu/tree.c:613 rcu_eqs_enter+0xe4/0x138\n ...\n Call trace:\n rcu_eqs_enter+0xe4/0x138\n rcu_idle_enter+0xa8/0x100\n cpuidle_enter_state+0x154/0x3a8\n cpuidle_enter+0x3c/0x58\n do_idle.llvm.6590768638138871020+0x1f4/0x2ec\n cpu_startup_entry+0x28/0x2c\n secondary_start_kernel+0x1b8/0x220\n __secondary_switched+0x94/0x98\n\nInstead, call rcu_irq_enter/exit to wake up RCU only when needed and\ndisable interrupts for the entire CFI shadow/module check when we do."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: cfi: Se solucion\u00f3 el uso de RCU de __cfi_slowpath_diag con cpuidle El uso de RCU_NONIDLE durante __cfi_slowpath_diag puede generar un estado de RCU no v\u00e1lido en la ruta del c\u00f3digo cpuidle: ADVERTENCIA: CPU: 1 PID: 0 en kernel/rcu/tree.c:613 rcu_eqs_enter+0xe4/0x138 ... Rastreo de llamadas: rcu_eqs_enter+0xe4/0x138 rcu_idle_enter+0xa8/0x100 cpuidle_enter_state+0x154/0x3a8 cpuidle_enter+0x3c/0x58 do_idle.llvm.6590768638138871020+0x1f4/0x2ec cpu_startup_entry+0x28/0x2c secondary_start_kernel+0x1b8/0x220 __secondary_switched+0x94/0x98 En su lugar, llame a rcu_irq_enter/exit para activar RCU solo cuando sea necesario y deshabilite las interrupciones para toda la verificaci\u00f3n del m\u00f3dulo/sombra CFI cuando lo hagamos."}], "id": "CVE-2022-49709", "lastModified": "2025-10-24T15:53:37.227", "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": "2025-02-26T07:01:46.710", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/57cd6d157eb479f0a8e820fd36b7240845c8a937"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/75f3a5fa2ad049c85ab5d5ee1ed9cfaa7e62c5ed"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ca3897f2ac02ceae5e6fa794f83c36f9885b93da"}], "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: cfi: Fix __cfi_slowpath_diag RCU usage with cpuidle", "id": "2348271", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348271"}, "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:\ncfi: Fix __cfi_slowpath_diag RCU usage with cpuidle\nRCU_NONIDLE usage during __cfi_slowpath_diag can result in an invalid\nRCU state in the cpuidle code path:\nWARNING: CPU: 1 PID: 0 at kernel/rcu/tree.c:613 rcu_eqs_enter+0xe4/0x138\n...\nCall trace:\nrcu_eqs_enter+0xe4/0x138\nrcu_idle_enter+0xa8/0x100\ncpuidle_enter_state+0x154/0x3a8\ncpuidle_enter+0x3c/0x58\ndo_idle.llvm.6590768638138871020+0x1f4/0x2ec\ncpu_startup_entry+0x28/0x2c\nsecondary_start_kernel+0x1b8/0x220\n__secondary_switched+0x94/0x98\nInstead, call rcu_irq_enter/exit to wake up RCU only when needed and\ndisable interrupts for the entire CFI shadow/module check when we do."], "name": "CVE-2022-49709", "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": "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": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49709\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49709\nhttps://lore.kernel.org/linux-cve-announce/2025022630-CVE-2022-49709-f834@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-12T16:01:26.844388+00:00", "updated": "2025-07-12T16:01:26.844448+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}