{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-27023", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.210Z", "datePublished": "2024-05-01T12:49:21.063Z", "dateUpdated": "2024-11-05T09:20:09.257Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:20:09.257Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/md.c"], "versions": [{"version": "f9f2d957a8ea", "lessThan": "6b2ff10390b1", "status": "affected", "versionType": "git"}, {"version": "530cec617f5a", "lessThan": "02dad157ba11", "status": "affected", "versionType": "git"}, {"version": "c4c2345214b6", "lessThan": "11f81438927f", "status": "affected", "versionType": "git"}, {"version": "fa2bbff7b0b4", "lessThan": "855678ed8534", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/md.c"], "versions": [{"version": "6.1.75", "lessThan": "6.1.80", "status": "affected", "versionType": "semver"}, {"version": "6.6.14", "lessThan": "6.6.19", "status": "affected", "versionType": "semver"}, {"version": "6.7.2", "lessThan": "6.7.7", "status": "affected", "versionType": "semver"}]}], "references": [{"url": "https://git.kernel.org/stable/c/6b2ff10390b19a2364af622b6666b690443f9f3f"}, {"url": "https://git.kernel.org/stable/c/02dad157ba11064d073f5499dc33552b227d5d3a"}, {"url": "https://git.kernel.org/stable/c/11f81438927f84edfaaeb5d5f10856c3a1c1fc82"}, {"url": "https://git.kernel.org/stable/c/855678ed8534518e2b428bcbcec695de9ba248e8"}], "title": "md: Fix missing release of 'active_io' for flush", "x_generator": {"engine": "bippy-9e1c9544281a"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:21:05.884Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/6b2ff10390b19a2364af622b6666b690443f9f3f", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/02dad157ba11064d073f5499dc33552b227d5d3a", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/11f81438927f84edfaaeb5d5f10856c3a1c1fc82", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/855678ed8534518e2b428bcbcec695de9ba248e8", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-27023", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T15:44:37.253177Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:33:36.923Z"}}]}}

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{"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": "2024-05-01T19:50:25.633", "metrics": {}, "published": "2024-05-01T13:15:48.797", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/02dad157ba11064d073f5499dc33552b227d5d3a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/11f81438927f84edfaaeb5d5f10856c3a1c1fc82"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6b2ff10390b19a2364af622b6666b690443f9f3f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/855678ed8534518e2b428bcbcec695de9ba248e8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"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", "upstream_fix": "kernel 6.1.80, kernel 6.6.19, kernel 6.7.7"}