CVE-2024-44958

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cpuhp_thread_fun+0x3f5/0x680\n smpboot_thread_fn+0x56d/0x8d0\n kthread+0x309/0x400\n ret_from_fork+0x41/0x70\n ret_from_fork_asm+0x1b/0x30\n </TASK>\n\nBecause when cpuset_cpu_inactive() fails in sched_cpu_deactivate(),\nthe cpu offline failed, but sched_smt_present is decremented before\ncalling sched_cpu_deactivate(), it leads to unbalanced dec/inc, so\nfix it by incrementing sched_smt_present in the error path."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/sched/core.c"], "versions": [{"version": "c5511d03ec090980732e929c318a7a6374b5550e", "lessThan": "2a3548c7ef2e135aee40e7e5e44e7d11b893e7c4", "status": "affected", "versionType": "git"}, {"version": "c5511d03ec090980732e929c318a7a6374b5550e", "lessThan": "2cf7665efe451e48d27953e6b5bc627d518c902b", "status": "affected", "versionType": "git"}, {"version": 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cpuhp_invoke_callback+0x3ad/0x10d0\n cpuhp_thread_fun+0x3f5/0x680\n smpboot_thread_fn+0x56d/0x8d0\n kthread+0x309/0x400\n ret_from_fork+0x41/0x70\n ret_from_fork_asm+0x1b/0x30\n </TASK>\n\nBecause when cpuset_cpu_inactive() fails in sched_cpu_deactivate(),\nthe cpu offline failed, but sched_smt_present is decremented before\ncalling sched_cpu_deactivate(), it leads to unbalanced dec/inc, so\nfix it by incrementing sched_smt_present in the error path."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.165", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.105", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.46", "versionStartIncluding": "4.20"}, {"criteria": 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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["kernel/sched/core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "2a3548c7ef2e135aee40e7e5e44e7d11b893e7c4", "status": "affected", "version": "c5511d03ec090980732e929c318a7a6374b5550e", "versionType": "git"}, {"lessThan": "2cf7665efe451e48d27953e6b5bc627d518c902b", "status": "affected", "version": "c5511d03ec090980732e929c318a7a6374b5550e", "versionType": "git"}, {"lessThan": "65727331b60197b742089855ac09464c22b96f66", "status": "affected", "version": "c5511d03ec090980732e929c318a7a6374b5550e", "versionType": "git"}, {"lessThan": "d0c87a3c6be10a57aa3463c32c3fc6b2a47c3dab", "status": "affected", "version": "c5511d03ec090980732e929c318a7a6374b5550e", "versionType": "git"}, {"lessThan": "e22f910a26cc2a3ac9c66b8e935ef2a7dd881117", "status": "affected", "version": "c5511d03ec090980732e929c318a7a6374b5550e", "versionType": "git"}, {"status": "affected", "version": "01659361c63fdc91c0af239d08cdd211d590a656", "versionType": "git"}, {"status": "affected", "version": "a2c094816f894b7a265851fad858e994fa0f78b3", "versionType": "git"}, {"lessThan": "4.15", "status": "affected", "version": "4.14.86", "versionType": "semver"}, {"lessThan": "4.20", "status": "affected", "version": "4.19.7", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["kernel/sched/core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.20"}, {"lessThan": "4.20", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.165", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.105", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.46", "versionType": "semver"}, {"lessThanOrEqual": "6.10.*", "status": "unaffected", "version": "6.10.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.11", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4B10ECDC-134F-409F-8DC5-1B38E76D5478", "versionEndExcluding": "4.15", "versionStartIncluding": "4.14.86", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BFCE51A8-A708-49F5-B629-C107F587C29F", "versionEndExcluding": "4.20", "versionStartIncluding": "4.19.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4F2025E4-76F7-4500-8020-B236CD18654A", "versionEndExcluding": "5.15.165", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "89BEB24B-0F37-4C92-A397-564DA7CD8EE9", "versionEndExcluding": "6.1.105", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FA11941E-81FB-484C-B583-881EEB488340", "versionEndExcluding": "6.6.46", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D074AE50-4A5E-499C-A2FD-75FD60DEA560", "versionEndExcluding": "6.10.5", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*", "matchCriteriaId": "8B3CE743-2126-47A3-8B7C-822B502CF119", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsched/smt: Fix unbalance sched_smt_present dec/inc\n\nI got the following warn report while doing stress test:\n\njump label: negative count!\nWARNING: CPU: 3 PID: 38 at kernel/jump_label.c:263 static_key_slow_try_dec+0x9d/0xb0\nCall Trace:\n <TASK>\n __static_key_slow_dec_cpuslocked+0x16/0x70\n sched_cpu_deactivate+0x26e/0x2a0\n cpuhp_invoke_callback+0x3ad/0x10d0\n cpuhp_thread_fun+0x3f5/0x680\n smpboot_thread_fn+0x56d/0x8d0\n kthread+0x309/0x400\n ret_from_fork+0x41/0x70\n ret_from_fork_asm+0x1b/0x30\n </TASK>\n\nBecause when cpuset_cpu_inactive() fails in sched_cpu_deactivate(),\nthe cpu offline failed, but sched_smt_present is decremented before\ncalling sched_cpu_deactivate(), it leads to unbalanced dec/inc, so\nfix it by incrementing sched_smt_present in the error path."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: sched/smt: Corregir desequilibrio en sched_smt_present dec/inc Recib\u00ed el siguiente informe de advertencia mientras realizaba una prueba de estr\u00e9s: etiqueta de salto: \u00a1recuento negativo! ADVERTENCIA: CPU: 3 PID: 38 en kernel/jump_label.c:263 static_key_slow_try_dec+0x9d/0xb0 Seguimiento de llamadas: __static_key_slow_dec_cpuslocked+0x16/0x70 sched_cpu_deactivate+0x26e/0x2a0 cpuhp_invoke_callback+0x3ad/0x10d0 cpuhp_thread_fun+0x3f5/0x680 smpboot_thread_fn+0x56d/0x8d0 kthread+0x309/0x400 ret_from_fork+0x41/0x70 ret_from_fork_asm+0x1b/0x30 Porque cuando cpuset_cpu_inactive() falla en sched_cpu_deactivate(), la CPU fuera de l\u00ednea fall\u00f3, pero sched_smt_present se decrementa antes de llamar a sched_cpu_deactivate(), esto genera un dec/inc desequilibrado, por lo que debe solucionarlo incrementando sched_smt_present en la ruta de error."}], "id": "CVE-2024-44958", "lastModified": "2026-06-17T07:53:18.393", "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-2024-44958", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-10T17:39:57.304687Z", "version": "2.0.3"}}]}, "published": "2024-09-04T19:15:30.580", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2a3548c7ef2e135aee40e7e5e44e7d11b893e7c4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2cf7665efe451e48d27953e6b5bc627d518c902b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/65727331b60197b742089855ac09464c22b96f66"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d0c87a3c6be10a57aa3463c32c3fc6b2a47c3dab"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e22f910a26cc2a3ac9c66b8e935ef2a7dd881117"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2025:6966", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}, {"advisory": "RHSA-2025:6966", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}], "bugzilla": {"description": "kernel: sched/smt: Fix unbalance sched_smt_present dec/inc", "id": "2309789", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2309789"}, "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": "verified"}, "cwe": "CWE-665", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nsched/smt: Fix unbalance sched_smt_present dec/inc\nI got the following warn report while doing stress test:\njump label: negative count!\nWARNING: CPU: 3 PID: 38 at kernel/jump_label.c:263 static_key_slow_try_dec+0x9d/0xb0\nCall Trace:\n<TASK>\n__static_key_slow_dec_cpuslocked+0x16/0x70\nsched_cpu_deactivate+0x26e/0x2a0\ncpuhp_invoke_callback+0x3ad/0x10d0\ncpuhp_thread_fun+0x3f5/0x680\nsmpboot_thread_fn+0x56d/0x8d0\nkthread+0x309/0x400\nret_from_fork+0x41/0x70\nret_from_fork_asm+0x1b/0x30\n</TASK>\nBecause when cpuset_cpu_inactive() fails in sched_cpu_deactivate(),\nthe cpu offline failed, but sched_smt_present is decremented before\ncalling sched_cpu_deactivate(), it leads to unbalanced dec/inc, so\nfix it by incrementing sched_smt_present in the error path."], "name": "CVE-2024-44958", "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": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"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": "2024-09-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-44958\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-44958\nhttps://lore.kernel.org/linux-cve-announce/2024090413-CVE-2024-44958-80e9@gregkh/T"], "threat_severity": "Moderate"}

{}