CVE-2026-98565

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98565", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.357Z", "datePublished": "2026-10-18T15:18:31.836Z", "dateUpdated": "2026-10-19T09:21:50.349Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:21:50.349Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: mt7530: fix NULL dereference on unbind of MT7531 and MT7621\n\nThe core and io supplies are only requested for ID_MT7530: both the\ndevm_regulator_get() in probe and the regulator_enable() in\nmt7530_setup() are guarded by the switch id, but mt7530_remove()\ndisables them unconditionally. On an MT7621 or an MT7531 both pointers\nare still NULL from devm_kzalloc(), so rmmod or a sysfs unbind calls\nregulator_disable() on NULL."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/dsa/mt7530-mdio.c"], "versions": [{"version": "ddda1ac116c852bb969541ed53cffef7255c4961", "lessThan": "bd172580e624bac00d83abd5c4320d2e14d853bc", "status": "affected", "versionType": "git"}, {"version": "ddda1ac116c852bb969541ed53cffef7255c4961", "lessThan": "e9a5298532780ecdd05c3220f3e1e3067b3537c3", "status": "affected", "versionType": "git"}, {"version": "ddda1ac116c852bb969541ed53cffef7255c4961", "lessThan": "62c0e38b2e5034184d4502ce77bd178b29e59b83", "status": "affected", "versionType": "git"}, {"version": "ddda1ac116c852bb969541ed53cffef7255c4961", "lessThan": "aae2a1f1e3a0ac5eeb439262a2328a2a392413ac", "status": "affected", "versionType": "git"}, {"version": "ddda1ac116c852bb969541ed53cffef7255c4961", "lessThan": "c2cdef41e0b4d8ed23a5b41e6ad4e64594e055e4", "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/net/dsa/mt7530-mdio.c"], "versions": [{"version": "5.1", "status": "affected"}, {"version": "0", "lessThan": "5.1", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.158", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.112", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.55", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.9", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "5.1", "versionEndExcluding": "6.6.158"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "6.12.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "6.18.55"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "7.2.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/bd172580e624bac00d83abd5c4320d2e14d853bc"}, {"url": "https://git.kernel.org/stable/c/e9a5298532780ecdd05c3220f3e1e3067b3537c3"}, {"url": "https://git.kernel.org/stable/c/62c0e38b2e5034184d4502ce77bd178b29e59b83"}, {"url": "https://git.kernel.org/stable/c/aae2a1f1e3a0ac5eeb439262a2328a2a392413ac"}, {"url": "https://git.kernel.org/stable/c/c2cdef41e0b4d8ed23a5b41e6ad4e64594e055e4"}], "title": "net: dsa: mt7530: fix NULL dereference on unbind of MT7531 and MT7621", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/dsa/mt7530-mdio.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "bd172580e624bac00d83abd5c4320d2e14d853bc", "status": "affected", "version": "ddda1ac116c852bb969541ed53cffef7255c4961", "versionType": "git"}, {"lessThan": "e9a5298532780ecdd05c3220f3e1e3067b3537c3", "status": "affected", "version": "ddda1ac116c852bb969541ed53cffef7255c4961", "versionType": "git"}, {"lessThan": "62c0e38b2e5034184d4502ce77bd178b29e59b83", "status": "affected", "version": "ddda1ac116c852bb969541ed53cffef7255c4961", "versionType": "git"}, {"lessThan": "aae2a1f1e3a0ac5eeb439262a2328a2a392413ac", "status": "affected", "version": "ddda1ac116c852bb969541ed53cffef7255c4961", "versionType": "git"}, {"lessThan": "c2cdef41e0b4d8ed23a5b41e6ad4e64594e055e4", "status": "affected", "version": "ddda1ac116c852bb969541ed53cffef7255c4961", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/dsa/mt7530-mdio.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.1"}, {"lessThan": "5.1", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.158", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.112", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.55", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: mt7530: fix NULL dereference on unbind of MT7531 and MT7621\n\nThe core and io supplies are only requested for ID_MT7530: both the\ndevm_regulator_get() in probe and the regulator_enable() in\nmt7530_setup() are guarded by the switch id, but mt7530_remove()\ndisables them unconditionally. On an MT7621 or an MT7531 both pointers\nare still NULL from devm_kzalloc(), so rmmod or a sysfs unbind calls\nregulator_disable() on NULL."}], "id": "CVE-2026-98565", "lastModified": "2026-10-19T10:19:14.337", "metrics": {}, "published": "2026-10-18T16:17:08.667", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/62c0e38b2e5034184d4502ce77bd178b29e59b83"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/aae2a1f1e3a0ac5eeb439262a2328a2a392413ac"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bd172580e624bac00d83abd5c4320d2e14d853bc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c2cdef41e0b4d8ed23a5b41e6ad4e64594e055e4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e9a5298532780ecdd05c3220f3e1e3067b3537c3"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: net: dsa: mt7530: fix NULL dereference on unbind of MT7531 and MT7621", "id": "2554969", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2554969"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: dsa: mt7530: fix NULL dereference on unbind of MT7531 and MT7621\nThe core and io supplies are only requested for ID_MT7530: both the\ndevm_regulator_get() in probe and the regulator_enable() in\nmt7530_setup() are guarded by the switch id, but mt7530_remove()\ndisables them unconditionally. On an MT7621 or an MT7531 both pointers\nare still NULL from devm_kzalloc(), so rmmod or a sysfs unbind calls\nregulator_disable() on NULL.", "A flaw was found in the Linux kernel's MediaTek MT7530 network switch driver. This flaw allows a local user with administrative privileges to cause a Denial of Service (DoS) through a kernel crash. The issue occurs during driver unbinding or module removal on specific hardware variants, where the kernel attempts to disable uninitialized power regulators, triggering a null pointer dereference."], "name": "CVE-2026-98565", "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"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98565\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98565\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98565.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ddda1ac116c852bb969541ed53cffef7255c4961,bd172580e624bac00d83abd5c4320d2e14d853bc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ddda1ac116c852bb969541ed53cffef7255c4961,e9a5298532780ecdd05c3220f3e1e3067b3537c3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ddda1ac116c852bb969541ed53cffef7255c4961,62c0e38b2e5034184d4502ce77bd178b29e59b83)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ddda1ac116c852bb969541ed53cffef7255c4961,aae2a1f1e3a0ac5eeb439262a2328a2a392413ac)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ddda1ac116c852bb969541ed53cffef7255c4961,c2cdef41e0b4d8ed23a5b41e6ad4e64594e055e4)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "5.1"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.1)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.158,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.112,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.55,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.9,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc5,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-10-18T18:15:15.189640+00:00", "updated": "2026-10-20T20:45:14.313872+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}