{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-53832", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-09T01:27:17.825Z", "datePublished": "2025-12-09T01:29:47.513Z", "dateUpdated": "2025-12-09T01:29:47.513Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-09T01:29:47.513Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid10: fix null-ptr-deref in raid10_sync_request\n\ninit_resync() inits mempool and sets conf->have_replacemnt at the beginning\nof sync, close_sync() frees the mempool when sync is completed.\n\nAfter [1] recovery might be skipped and init_resync() is called but\nclose_sync() is not. null-ptr-deref occurs with r10bio->dev[i].repl_bio.\n\nThe following is one way to reproduce the issue.\n\n 1) create a array, wait for resync to complete, mddev->recovery_cp is set\n to MaxSector.\n 2) recovery is woken and it is skipped. conf->have_replacement is set to\n 0 in init_resync(). close_sync() not called.\n 3) some io errors and rdev A is set to WantReplacement.\n 4) a new device is added and set to A's replacement.\n 5) recovery is woken, A have replacement, but conf->have_replacemnt is\n 0. r10bio->dev[i].repl_bio will not be alloced and null-ptr-deref\n occurs.\n\nFix it by not calling init_resync() if recovery skipped.\n\n[1] commit 7e83ccbecd60 (\"md/raid10: Allow skipping recovery when clean arrays are assembled\")"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/raid10.c"], "versions": [{"version": "7e83ccbecd608b971f340e951c9e84cd0343002f", "lessThan": "38d33593260536840b49fd1dcac9aedfd14a9d42", "status": "affected", "versionType": "git"}, {"version": "7e83ccbecd608b971f340e951c9e84cd0343002f", "lessThan": "14964127be77884003976a392c9faa9ebaabbbe1", "status": "affected", "versionType": "git"}, {"version": "7e83ccbecd608b971f340e951c9e84cd0343002f", "lessThan": "bdbf104b1c91fbf38f82c522ebf75429f094292a", "status": "affected", "versionType": "git"}, {"version": "7e83ccbecd608b971f340e951c9e84cd0343002f", "lessThan": "68695084077e3de9d3e94e09238ace2b6f246446", "status": "affected", "versionType": "git"}, {"version": "7e83ccbecd608b971f340e951c9e84cd0343002f", "lessThan": "b50fd1c3d9d0175aa29ff2706ef36cc178bc356a", "status": "affected", "versionType": "git"}, {"version": "7e83ccbecd608b971f340e951c9e84cd0343002f", "lessThan": "99b503e4edc5938885d839cf0e7571963f75d800", "status": "affected", "versionType": "git"}, {"version": "7e83ccbecd608b971f340e951c9e84cd0343002f", "lessThan": "9e9efc77efd1956cc244af975240f2513d78a371", "status": "affected", "versionType": "git"}, {"version": "7e83ccbecd608b971f340e951c9e84cd0343002f", "lessThan": "a405c6f0229526160aa3f177f65e20c86fce84c5", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/raid10.c"], "versions": [{"version": "3.10", "status": "affected"}, {"version": "0", "lessThan": "3.10", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.283", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.243", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.180", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.111", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.28", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2.15", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.3.2", "lessThanOrEqual": "6.3.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.4", "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": "3.10", "versionEndExcluding": "4.19.283"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "5.4.243"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "5.10.180"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "5.15.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.1.28"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.2.15"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.3.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/38d33593260536840b49fd1dcac9aedfd14a9d42"}, {"url": "https://git.kernel.org/stable/c/14964127be77884003976a392c9faa9ebaabbbe1"}, {"url": "https://git.kernel.org/stable/c/bdbf104b1c91fbf38f82c522ebf75429f094292a"}, {"url": "https://git.kernel.org/stable/c/68695084077e3de9d3e94e09238ace2b6f246446"}, {"url": "https://git.kernel.org/stable/c/b50fd1c3d9d0175aa29ff2706ef36cc178bc356a"}, {"url": "https://git.kernel.org/stable/c/99b503e4edc5938885d839cf0e7571963f75d800"}, {"url": "https://git.kernel.org/stable/c/9e9efc77efd1956cc244af975240f2513d78a371"}, {"url": "https://git.kernel.org/stable/c/a405c6f0229526160aa3f177f65e20c86fce84c5"}], "title": "md/raid10: fix null-ptr-deref in raid10_sync_request", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid10: fix null-ptr-deref in raid10_sync_request\n\ninit_resync() inits mempool and sets conf->have_replacemnt at the beginning\nof sync, close_sync() frees the mempool when sync is completed.\n\nAfter [1] recovery might be skipped and init_resync() is called but\nclose_sync() is not. null-ptr-deref occurs with r10bio->dev[i].repl_bio.\n\nThe following is one way to reproduce the issue.\n\n 1) create a array, wait for resync to complete, mddev->recovery_cp is set\n to MaxSector.\n 2) recovery is woken and it is skipped. conf->have_replacement is set to\n 0 in init_resync(). close_sync() not called.\n 3) some io errors and rdev A is set to WantReplacement.\n 4) a new device is added and set to A's replacement.\n 5) recovery is woken, A have replacement, but conf->have_replacemnt is\n 0. r10bio->dev[i].repl_bio will not be alloced and null-ptr-deref\n occurs.\n\nFix it by not calling init_resync() if recovery skipped.\n\n[1] commit 7e83ccbecd60 (\"md/raid10: Allow skipping recovery when clean arrays are assembled\")"}], "id": "CVE-2023-53832", "lastModified": "2025-12-09T18:37:13.640", "metrics": {}, "published": "2025-12-09T16:17:22.133", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/14964127be77884003976a392c9faa9ebaabbbe1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/38d33593260536840b49fd1dcac9aedfd14a9d42"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/68695084077e3de9d3e94e09238ace2b6f246446"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/99b503e4edc5938885d839cf0e7571963f75d800"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9e9efc77efd1956cc244af975240f2513d78a371"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a405c6f0229526160aa3f177f65e20c86fce84c5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b50fd1c3d9d0175aa29ff2706ef36cc178bc356a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bdbf104b1c91fbf38f82c522ebf75429f094292a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: md/raid10: fix null-ptr-deref in raid10_sync_request", "id": "2420309", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2420309"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmd/raid10: fix null-ptr-deref in raid10_sync_request\ninit_resync() inits mempool and sets conf->have_replacemnt at the beginning\nof sync, close_sync() frees the mempool when sync is completed.\nAfter [1] recovery might be skipped and init_resync() is called but\nclose_sync() is not. null-ptr-deref occurs with r10bio->dev[i].repl_bio.\nThe following is one way to reproduce the issue.\n1) create a array, wait for resync to complete, mddev->recovery_cp is set\nto MaxSector.\n2) recovery is woken and it is skipped. conf->have_replacement is set to\n0 in init_resync(). close_sync() not called.\n3) some io errors and rdev A is set to WantReplacement.\n4) a new device is added and set to A's replacement.\n5) recovery is woken, A have replacement, but conf->have_replacemnt is\n0. r10bio->dev[i].repl_bio will not be alloced and null-ptr-deref\noccurs.\nFix it by not calling init_resync() if recovery skipped.\n[1] commit 7e83ccbecd60 (\"md/raid10: Allow skipping recovery when clean arrays are assembled\")"], "name": "CVE-2023-53832", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "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": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53832\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53832\nhttps://lore.kernel.org/linux-cve-announce/2025120954-CVE-2023-53832-6d46@gregkh/T"], "threat_severity": "Moderate"}

{}