{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43372", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:56.006Z", "datePublished": "2026-05-08T14:21:23.221Z", "dateUpdated": "2026-05-08T14:21:23.221Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-08T14:21:23.221Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: microchip: Fix error path in PTP IRQ setup\n\nIf request_threaded_irq() fails during the PTP message IRQ setup, the\nnewly created IRQ mapping is never disposed. Indeed, the\nksz_ptp_irq_setup()'s error path only frees the mappings that were\nsuccessfully set up.\n\nDispose the newly created mapping if the associated\nrequest_threaded_irq() fails at setup."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/dsa/microchip/ksz_ptp.c"], "versions": [{"version": "3b5a6115d6ea45df1ea65dc9b832b23db5d593ba", "lessThan": "3704ac6a0d9a78f66a187515a8ca3faedaf01cc5", "status": "affected", "versionType": "git"}, {"version": "1ba6da6ca3db76f6a39004fd33a9c990e428515e", "lessThan": "e80fef36c676c947072dabeb5803ae59d92ba493", "status": "affected", "versionType": "git"}, {"version": "d0b8fec8ae50525b57139393d0bb1f446e82ff7e", "lessThan": "6c58a9fdb0d0e1011aa02455d26d6ebea251979b", "status": "affected", "versionType": "git"}, {"version": "d0b8fec8ae50525b57139393d0bb1f446e82ff7e", "lessThan": "c2d1d41e0e8ec447d40a5752844fc5fb0b23db27", "status": "affected", "versionType": "git"}, {"version": "d0b8fec8ae50525b57139393d0bb1f446e82ff7e", "lessThan": "99c8c16a4aad0b37293cae213e15957c573cf79b", "status": "affected", "versionType": "git"}, {"version": "ae12e4e0ca231475bcef841c6a6722fa185fd520", "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/microchip/ksz_ptp.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.130", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.78", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.19", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.9", "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": "6.6.119", "versionEndExcluding": "6.6.130"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12.61", "versionEndExcluding": "6.12.78"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "6.18.19"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "6.19.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.0"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17.11"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3704ac6a0d9a78f66a187515a8ca3faedaf01cc5"}, {"url": "https://git.kernel.org/stable/c/e80fef36c676c947072dabeb5803ae59d92ba493"}, {"url": "https://git.kernel.org/stable/c/6c58a9fdb0d0e1011aa02455d26d6ebea251979b"}, {"url": "https://git.kernel.org/stable/c/c2d1d41e0e8ec447d40a5752844fc5fb0b23db27"}, {"url": "https://git.kernel.org/stable/c/99c8c16a4aad0b37293cae213e15957c573cf79b"}], "title": "net: dsa: microchip: Fix error path in PTP IRQ setup", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: microchip: Fix error path in PTP IRQ setup\n\nIf request_threaded_irq() fails during the PTP message IRQ setup, the\nnewly created IRQ mapping is never disposed. Indeed, the\nksz_ptp_irq_setup()'s error path only frees the mappings that were\nsuccessfully set up.\n\nDispose the newly created mapping if the associated\nrequest_threaded_irq() fails at setup."}], "id": "CVE-2026-43372", "lastModified": "2026-05-08T15:16:48.313", "metrics": {}, "published": "2026-05-08T15:16:48.313", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3704ac6a0d9a78f66a187515a8ca3faedaf01cc5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6c58a9fdb0d0e1011aa02455d26d6ebea251979b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/99c8c16a4aad0b37293cae213e15957c573cf79b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c2d1d41e0e8ec447d40a5752844fc5fb0b23db27"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e80fef36c676c947072dabeb5803ae59d92ba493"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: net: dsa: microchip: Fix error path in PTP IRQ setup", "id": "2468147", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468147"}, "csaw": false, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's Microchip DSA (Distributed Switch Architecture) driver. During the setup of a PTP (Precision Time Protocol) interrupt, an error can occur where system resources are not properly released. This resource leak could allow a local attacker to cause a denial of service by exhausting available system resources."], "name": "CVE-2026-43372", "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": "2026-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43372\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43372\nhttps://lore.kernel.org/linux-cve-announce/2026050830-CVE-2026-43372-d898@gregkh/T"]}