CVE-2024-27023

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/md/md.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "6b2ff10390b19a2364af622b6666b690443f9f3f", "status": "affected", "version": "f9f2d957a8ea93c73182aebf7de30935a58c027d", "versionType": "git"}, {"lessThan": "02dad157ba11064d073f5499dc33552b227d5d3a", "status": "affected", "version": "530cec617f5a8ba6f26bcbf0d64d75c951d17730", "versionType": "git"}, {"lessThan": "11f81438927f84edfaaeb5d5f10856c3a1c1fc82", "status": "affected", "version": "c4c2345214b66e2505a26fd2ea58839dd7a1d48d", "versionType": "git"}, {"lessThan": "855678ed8534518e2b428bcbcec695de9ba248e8", "status": "affected", "version": "fa2bbff7b0b4e211fec5e5686ef96350690597b5", "versionType": "git"}]}, {"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/md/md.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "6.1.80", "status": "affected", "version": "6.1.75", "versionType": "semver"}, {"lessThan": "6.6.19", "status": "affected", "version": "6.6.14", "versionType": "semver"}, {"lessThan": "6.7.7", "status": "affected", "version": "6.7.2", "versionType": "semver"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BF3730AD-A763-4E22-887C-337E656A6C6F", "versionEndExcluding": "6.1.80", "versionStartIncluding": "6.1.75", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "78DBB0FA-813E-4DE0-A507-618276F53D3A", "versionEndExcluding": "6.6.19", "versionStartIncluding": "6.6.14", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0390B1DD-C022-49C7-9FEF-4EECBEEA18C1", "versionEndExcluding": "6.7.7", "versionStartIncluding": "6.7.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*", "matchCriteriaId": "B9F4EA73-0894-400F-A490-3A397AB7A517", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*", "matchCriteriaId": "056BD938-0A27-4569-B391-30578B309EE3", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:*", "matchCriteriaId": "F02056A5-B362-4370-9FF8-6F0BD384D520", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc4:*:*:*:*:*:*", "matchCriteriaId": "62075ACE-B2A0-4B16-829D-B3DA5AE5CC41", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc5:*:*:*:*:*:*", "matchCriteriaId": "A780F817-2A77-4130-A9B7-5C25606314E3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd: Fix missing release of 'active_io' for flush\n\nsubmit_flushes\n atomic_set(&mddev->flush_pending, 1);\n rdev_for_each_rcu(rdev, mddev)\n atomic_inc(&mddev->flush_pending);\n bi->bi_end_io = md_end_flush\n submit_bio(bi);\n /* flush io is done first */\n md_end_flush\n if (atomic_dec_and_test(&mddev->flush_pending))\n percpu_ref_put(&mddev->active_io)\n -> active_io is not released\n\n if (atomic_dec_and_test(&mddev->flush_pending))\n -> missing release of active_io\n\nFor consequence, mddev_suspend() will wait for 'active_io' to be zero\nforever.\n\nFix this problem by releasing 'active_io' in submit_flushes() if\n'flush_pending' is decreased to zero."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: md: Se corrigi\u00f3 la versi\u00f3n faltante de 'active_io' para descarga submit_flushes atomic_set(&mddev->flush_pending, 1); rdev_for_each_rcu(rdev, mddev) atomic_inc(&mddev->flush_pending); bi->bi_end_io = md_end_flush submit_bio(bi); /* purgar io se realiza primero */ md_end_flush if (atomic_dec_and_test(&mddev->flush_pending)) percpu_ref_put(&mddev->active_io) -> active_io no se publica si (atomic_dec_and_test(&mddev->flush_pending)) -> falta la versi\u00f3n de active_io para Como consecuencia, mddev_suspend() esperar\u00e1 a que 'active_io' sea cero para siempre. Solucione este problema liberando 'active_io' en submit_flushes() si 'flush_pending' se reduce a cero."}], "id": "CVE-2024-27023", "lastModified": "2026-06-17T07:18:57.947", "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-2024-27023", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-10T15:44:37.253177Z", "version": "2.0.3"}}]}, "published": "2024-05-01T13:15:48.797", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/02dad157ba11064d073f5499dc33552b227d5d3a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/11f81438927f84edfaaeb5d5f10856c3a1c1fc82"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6b2ff10390b19a2364af622b6666b690443f9f3f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/855678ed8534518e2b428bcbcec695de9ba248e8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/02dad157ba11064d073f5499dc33552b227d5d3a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/11f81438927f84edfaaeb5d5f10856c3a1c1fc82"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6b2ff10390b19a2364af622b6666b690443f9f3f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/855678ed8534518e2b428bcbcec695de9ba248e8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "kernel: md: Fix missing release of 'active_io' for flush", "id": "2278488", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2278488"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmd: Fix missing release of 'active_io' for flush\nsubmit_flushes\natomic_set(&mddev->flush_pending, 1);\nrdev_for_each_rcu(rdev, mddev)\natomic_inc(&mddev->flush_pending);\nbi->bi_end_io = md_end_flush\nsubmit_bio(bi);\n/* flush io is done first */\nmd_end_flush\nif (atomic_dec_and_test(&mddev->flush_pending))\npercpu_ref_put(&mddev->active_io)\n-> active_io is not released\nif (atomic_dec_and_test(&mddev->flush_pending))\n-> missing release of active_io\nFor consequence, mddev_suspend() will wait for 'active_io' to be zero\nforever.\nFix this problem by releasing 'active_io' in submit_flushes() if\n'flush_pending' is decreased to zero."], "name": "CVE-2024-27023", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "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": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Under investigation", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-27023\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-27023\nhttps://lore.kernel.org/linux-cve-announce/2024050105-CVE-2024-27023-4810@gregkh/T"], "threat_severity": "Low"}

{}