CVE-2026-53103

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{"bugzilla": {"description": "kernel: wifi: mt76: mt7925: fix potential deadlock in mt7925_roc_abort_sync", "id": "2492354", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492354"}, "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-833", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: mt76: mt7925: fix potential deadlock in mt7925_roc_abort_sync\nroc_abort_sync() can deadlock with roc_work(). roc_work() holds\ndev->mt76.mutex, while cancel_work_sync() waits for roc_work()\nto finish. If the caller already owns the same mutex, both\nsides block and no progress is possible.\nThis deadlock can occur during station removal when\nmt76_sta_state() -> mt76_sta_remove() ->\nmt7925_mac_sta_remove_link() -> mt7925_mac_link_sta_remove() ->\nmt7925_roc_abort_sync() invokes cancel_work_sync() while\nroc_work() is still running and holding dev->mt76.mutex.\nThis avoids the mutex deadlock and preserves exactly-once\nwork ownership.", "A flaw was found in the Linux kernel's Wi-Fi subsystem, specifically within the `mt7925_roc_abort_sync` function. This vulnerability can lead to a deadlock condition when `roc_abort_sync()` attempts to cancel a work item (`roc_work()`) while `roc_work()` is already holding a mutex. This situation can occur during Wi-Fi station removal, causing the system to become unresponsive, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-53103", "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-2026-53103\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53103\nhttps://lore.kernel.org/linux-cve-announce/2026062412-CVE-2026-53103-a9f8@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[45064d19fd3af6aeb0887b35b5564927980cf150,153bcba36c87a1ba555b57b6c49028d5812f895b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[45064d19fd3af6aeb0887b35b5564927980cf150,2d8e0053bca29143ace51e08c980ff076844a4b0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[45064d19fd3af6aeb0887b35b5564927980cf150,dd08ca3f092f4185ece69ce2a835c23198b1628a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "978d1756b3ae1b857826eb7ed8181f3c5180dce9"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.11.2,6.12)"}}], "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": "semver", "value": "6.12"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.12)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.33,6.19.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.10,8.0.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "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": "2026-06-24T20:00:10.389263+00:00", "updated": "2026-08-12T07:30:16.578011+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}