{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-40062", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.158Z", "datePublished": "2025-10-28T11:48:33.961Z", "dateUpdated": "2026-05-11T21:41:44.649Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:41:44.649Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: hisilicon/qm - set NULL to qm->debug.qm_diff_regs\n\nWhen the initialization of qm->debug.acc_diff_reg fails,\nthe probe process does not exit. However, after qm->debug.qm_diff_regs is\nfreed, it is not set to NULL. This can lead to a double free when the\nremove process attempts to free it again. Therefore, qm->debug.qm_diff_regs\nshould be set to NULL after it is freed."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/crypto/hisilicon/debugfs.c"], "versions": [{"version": "eda60520cfe3aba9f088c68ebd5bcbca9fc6ac3c", "lessThan": "a7836260d5121949ba734e840d42a86ab4a32fcc", "status": "affected", "versionType": "git"}, {"version": "7fc8d9a525b5c3f8dfa5ed50901e764d8ede7e1e", "lessThan": "1750f1ec143ebabdbdfa013668665c9d5042c430", "status": "affected", "versionType": "git"}, {"version": "8be0913389718e8d27c4f1d4537b5e1b99ed7739", "lessThan": "a87a21a56244b8f4eb357f6bad879247005bbe38", "status": "affected", "versionType": "git"}, {"version": "8be0913389718e8d27c4f1d4537b5e1b99ed7739", "lessThan": "7226a0650ad5705bd8d39a11be270fa21ed1e6a5", "status": "affected", "versionType": "git"}, {"version": "8be0913389718e8d27c4f1d4537b5e1b99ed7739", "lessThan": "f0cafb02de883b3b413d34eb079c9680782a9cc1", "status": "affected", "versionType": "git"}, {"version": "e0a2d2df9ba7bd6bd7e0a9b6a5e3894f7e8445b3", "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/crypto/hisilicon/debugfs.c"], "versions": [{"version": "6.10", "status": "affected"}, {"version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.156", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.112", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.53", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.3", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18", "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": "6.1.98", "versionEndExcluding": "6.1.156"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.39", "versionEndExcluding": "6.6.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.12.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.17.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.18"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9.9"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a7836260d5121949ba734e840d42a86ab4a32fcc"}, {"url": "https://git.kernel.org/stable/c/1750f1ec143ebabdbdfa013668665c9d5042c430"}, {"url": "https://git.kernel.org/stable/c/a87a21a56244b8f4eb357f6bad879247005bbe38"}, {"url": "https://git.kernel.org/stable/c/7226a0650ad5705bd8d39a11be270fa21ed1e6a5"}, {"url": "https://git.kernel.org/stable/c/f0cafb02de883b3b413d34eb079c9680782a9cc1"}], "title": "crypto: hisilicon/qm - set NULL to qm->debug.qm_diff_regs", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: hisilicon/qm - set NULL to qm->debug.qm_diff_regs\n\nWhen the initialization of qm->debug.acc_diff_reg fails,\nthe probe process does not exit. However, after qm->debug.qm_diff_regs is\nfreed, it is not set to NULL. This can lead to a double free when the\nremove process attempts to free it again. Therefore, qm->debug.qm_diff_regs\nshould be set to NULL after it is freed."}], "id": "CVE-2025-40062", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-10-28T12:15:40.610", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1750f1ec143ebabdbdfa013668665c9d5042c430"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7226a0650ad5705bd8d39a11be270fa21ed1e6a5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a7836260d5121949ba734e840d42a86ab4a32fcc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a87a21a56244b8f4eb357f6bad879247005bbe38"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f0cafb02de883b3b413d34eb079c9680782a9cc1"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: crypto: hisilicon/qm - set NULL to qm->debug.qm_diff_regs", "id": "2406777", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2406777"}, "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"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-40062", "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": "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-10-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-40062\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-40062\nhttps://lore.kernel.org/linux-cve-announce/2025102816-CVE-2025-40062-9b53@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-10-29T10:58:03.293713+00:00", "updated": "2025-10-29T10:58:03.293739+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}