{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53086", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.384Z", "datePublished": "2026-06-24T16:30:26.111Z", "dateUpdated": "2026-06-28T06:39:08.441Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-28T06:39:08.441Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bcmgenet: fix racing timeout handler\n\nThe bcmgenet_timeout handler tries to take down all tx queues when\na single queue times out. This is over zealous and causes many race\nconditions with queues that are still chugging along. Instead lets\nonly restart the timed out queue."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL"}}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/broadcom/genet/bcmgenet.c"], "versions": [{"version": "13ea657806cf73b379a0109f7042182f47c351a7", "lessThan": "e85b0c0a12e967930044608311471b665baa315c", "status": "affected", "versionType": "git"}, {"version": "13ea657806cf73b379a0109f7042182f47c351a7", "lessThan": "e8206538cbaf4f4068e99a4cb1138690a1e00499", "status": "affected", "versionType": "git"}, {"version": "13ea657806cf73b379a0109f7042182f47c351a7", "lessThan": "681fdfe823b4f1036ed50b58b8838c7917ea389c", "status": "affected", "versionType": "git"}, {"version": "13ea657806cf73b379a0109f7042182f47c351a7", "lessThan": "c270e2bec3e55a716d25c35341091339457ac883", "status": "affected", "versionType": "git"}, {"version": "13ea657806cf73b379a0109f7042182f47c351a7", "lessThan": "7ce1c26aac3b318886a57425f64b522da7389153", "status": "affected", "versionType": "git"}, {"version": "13ea657806cf73b379a0109f7042182f47c351a7", "lessThan": "5393b2b5bee2ac51a0043dc7f4ac3475f053d08d", "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/ethernet/broadcom/genet/bcmgenet.c"], "versions": [{"version": "4.2", "status": "affected"}, {"version": "0", "lessThan": "4.2", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.141", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.91", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.33", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "4.2", "versionEndExcluding": "6.1.175"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "6.6.141"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "6.12.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/e85b0c0a12e967930044608311471b665baa315c"}, {"url": "https://git.kernel.org/stable/c/e8206538cbaf4f4068e99a4cb1138690a1e00499"}, {"url": "https://git.kernel.org/stable/c/681fdfe823b4f1036ed50b58b8838c7917ea389c"}, {"url": "https://git.kernel.org/stable/c/c270e2bec3e55a716d25c35341091339457ac883"}, {"url": "https://git.kernel.org/stable/c/7ce1c26aac3b318886a57425f64b522da7389153"}, {"url": "https://git.kernel.org/stable/c/5393b2b5bee2ac51a0043dc7f4ac3475f053d08d"}], "title": "net: bcmgenet: fix racing timeout handler", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"bugzilla": {"description": "kernel: net: bcmgenet: fix racing timeout handler", "id": "2492382", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492382"}, "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-366", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: bcmgenet: fix racing timeout handler\nThe bcmgenet_timeout handler tries to take down all tx queues when\na single queue times out. This is over zealous and causes many race\nconditions with queues that are still chugging along. Instead lets\nonly restart the timed out queue.", "A flaw was found in the Linux kernel's `bcmgenet` network driver. This vulnerability arises from an overly aggressive timeout handler that attempts to reset all network transmission queues when only one experiences an issue. This behavior can create race conditions, potentially leading to system instability or a denial of service, where network services become unavailable."], "name": "CVE-2026-53086", "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": "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": "2026-06-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53086\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53086\nhttps://lore.kernel.org/linux-cve-announce/2026062408-CVE-2026-53086-b7c3@gregkh/T"], "threat_severity": "Moderate"}