{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43132", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.988Z", "datePublished": "2026-05-06T11:27:20.213Z", "dateUpdated": "2026-05-06T11:27:20.213Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-06T11:27:20.213Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm-verity: correctly handle dm_bufio_client_create() failure\n\nIf either of the calls to dm_bufio_client_create() in verity_fec_ctr()\nfails, then dm_bufio_client_destroy() is later called with an ERR_PTR()\nargument. That causes a crash. Fix this."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/dm-verity-fec.c"], "versions": [{"version": "a739ff3f543afbb4a041c16cd0182c8e8d366e70", "lessThan": "6283e49af87a9c121bb01e5a64a7fe5706c210bc", "status": "affected", "versionType": "git"}, {"version": "a739ff3f543afbb4a041c16cd0182c8e8d366e70", "lessThan": "d3e1f1adc8a0289efe2d2cdc90edb8c6ffe0b5ef", "status": "affected", "versionType": "git"}, {"version": "a739ff3f543afbb4a041c16cd0182c8e8d366e70", "lessThan": "5c2217ddb3b7e7ac25f4ebe9061258fc8f1c9167", "status": "affected", "versionType": "git"}, {"version": "a739ff3f543afbb4a041c16cd0182c8e8d366e70", "lessThan": "031f2adc1499b112a39ac316bbab3c80bba16cf2", "status": "affected", "versionType": "git"}, {"version": "a739ff3f543afbb4a041c16cd0182c8e8d366e70", "lessThan": "9b8dc1d327e2928f3da59ced0595d850d31c0936", "status": "affected", "versionType": "git"}, {"version": "a739ff3f543afbb4a041c16cd0182c8e8d366e70", "lessThan": "451cc650e40e8c3222d37877a9e4be0fcaacb9c8", "status": "affected", "versionType": "git"}, {"version": "a739ff3f543afbb4a041c16cd0182c8e8d366e70", "lessThan": "b154a868a3856fb5216c4f82981d8a503832e095", "status": "affected", "versionType": "git"}, {"version": "a739ff3f543afbb4a041c16cd0182c8e8d366e70", "lessThan": "119f4f04186fa4f33ee6bd39af145cdaff1ff17f", "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/dm-verity-fec.c"], "versions": [{"version": "4.5", "status": "affected"}, {"version": "0", "lessThan": "4.5", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.252", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.202", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.165", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.128", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.16", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.6", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "4.5", "versionEndExcluding": "5.10.252"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "5.15.202"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "6.1.165"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "6.6.128"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "6.18.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "6.19.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/6283e49af87a9c121bb01e5a64a7fe5706c210bc"}, {"url": "https://git.kernel.org/stable/c/d3e1f1adc8a0289efe2d2cdc90edb8c6ffe0b5ef"}, {"url": "https://git.kernel.org/stable/c/5c2217ddb3b7e7ac25f4ebe9061258fc8f1c9167"}, {"url": "https://git.kernel.org/stable/c/031f2adc1499b112a39ac316bbab3c80bba16cf2"}, {"url": "https://git.kernel.org/stable/c/9b8dc1d327e2928f3da59ced0595d850d31c0936"}, {"url": "https://git.kernel.org/stable/c/451cc650e40e8c3222d37877a9e4be0fcaacb9c8"}, {"url": "https://git.kernel.org/stable/c/b154a868a3856fb5216c4f82981d8a503832e095"}, {"url": "https://git.kernel.org/stable/c/119f4f04186fa4f33ee6bd39af145cdaff1ff17f"}], "title": "dm-verity: correctly handle dm_bufio_client_create() failure", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm-verity: correctly handle dm_bufio_client_create() failure\n\nIf either of the calls to dm_bufio_client_create() in verity_fec_ctr()\nfails, then dm_bufio_client_destroy() is later called with an ERR_PTR()\nargument. That causes a crash. Fix this."}], "id": "CVE-2026-43132", "lastModified": "2026-05-06T13:07:51.607", "metrics": {}, "published": "2026-05-06T12:16:30.357", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/031f2adc1499b112a39ac316bbab3c80bba16cf2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/119f4f04186fa4f33ee6bd39af145cdaff1ff17f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/451cc650e40e8c3222d37877a9e4be0fcaacb9c8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5c2217ddb3b7e7ac25f4ebe9061258fc8f1c9167"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6283e49af87a9c121bb01e5a64a7fe5706c210bc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9b8dc1d327e2928f3da59ced0595d850d31c0936"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b154a868a3856fb5216c4f82981d8a503832e095"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d3e1f1adc8a0289efe2d2cdc90edb8c6ffe0b5ef"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: dm-verity: correctly handle dm_bufio_client_create() failure", "id": "2467070", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467070"}, "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"}, "cwe": "CWE-763", "details": ["A flaw was found in the Linux kernel's dm-verity component. When the `dm_bufio_client_create()` function fails within `verity_fec_ctr()`, the subsequent call to `dm_bufio_client_destroy()` with an error pointer argument leads to a system crash. This vulnerability could allow a local attacker to cause a Denial of Service (DoS) by triggering this specific failure condition."], "name": "CVE-2026-43132", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43132\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43132\nhttps://lore.kernel.org/linux-cve-announce/2026050622-CVE-2026-43132-42ed@gregkh/T"], "threat_severity": "Moderate"}

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