{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23081", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:45.960Z", "datePublished": "2026-02-04T16:08:05.822Z", "dateUpdated": "2026-02-04T16:08:05.822Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-02-04T16:08:05.822Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: phy: intel-xway: fix OF node refcount leakage\n\nAutomated review spotted am OF node reference count leakage when\nchecking if the 'leds' child node exists.\n\nCall of_put_node() to correctly maintain the refcount."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/phy/intel-xway.c"], "versions": [{"version": "1758af47b98c17da464cb45f476875150955dd48", "lessThan": "1f24dfd556401b75f78e8d9cbd94dd9f31411c3a", "status": "affected", "versionType": "git"}, {"version": "1758af47b98c17da464cb45f476875150955dd48", "lessThan": "79912b256e14054e6ba177d7e7e631485ce23dbe", "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/phy/intel-xway.c"], "versions": [{"version": "6.13", "status": "affected"}, {"version": "0", "lessThan": "6.13", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.8", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19-rc7", "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": "6.13", "versionEndExcluding": "6.18.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "6.19-rc7"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/1f24dfd556401b75f78e8d9cbd94dd9f31411c3a"}, {"url": "https://git.kernel.org/stable/c/79912b256e14054e6ba177d7e7e631485ce23dbe"}], "title": "net: phy: intel-xway: fix OF node refcount leakage", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: phy: intel-xway: fix OF node refcount leakage\n\nAutomated review spotted am OF node reference count leakage when\nchecking if the 'leds' child node exists.\n\nCall of_put_node() to correctly maintain the refcount."}], "id": "CVE-2026-23081", "lastModified": "2026-02-04T17:16:18.873", "metrics": {}, "published": "2026-02-04T17:16:18.873", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1f24dfd556401b75f78e8d9cbd94dd9f31411c3a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/79912b256e14054e6ba177d7e7e631485ce23dbe"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel: Denial of Service in intel-xway PHY driver due to OF node reference count leakage", "id": "2436832", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2436832"}, "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-772", "details": ["A flaw was found in the Linux kernel's intel-xway PHY (Physical Layer) driver. This vulnerability involves an improper management of Open Firmware (OF) node reference counts. A local attacker could exploit this by repeatedly triggering a specific condition, leading to resource exhaustion and ultimately a denial of service (DoS) on the system."], "name": "CVE-2026-23081", "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": "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": "2026-02-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-23081\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23081\nhttps://lore.kernel.org/linux-cve-announce/2026020421-CVE-2026-23081-5494@gregkh/T"], "threat_severity": "Moderate"}

{}