CVE-2026-68133

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{"bugzilla": {"description": "kernel: ice: fix PTP Call Trace during PTP release", "id": "2513402", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513402"}, "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-617", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nice: fix PTP Call Trace during PTP release\nIf a PF reset occurs when the PTP state is ICE_PTP_UNINIT, then\nice_ptp_rebuild() will update the state to ICE_PTP_ERROR. This will\nresult in the following PTP release call trace during driver unload:\nkernel BUG at lib/list_debug.c:52!\nice_ptp_release+0x332/0x3c0 [ice]\nice_deinit_features.part.0+0x10e/0x120 [ice]\nice_remove+0x100/0x220 [ice]\nThis was observed when passing PF1 through to a VM. ice_ptp_init()\nfails because ctrl_pf is NULL and sets the state to ICE_PTP_UNINIT.\nFix by detecting the ICE_PTP_UNINIT state in ice_ptp_rebuild() and\nreturning without error, preventing the invalid state transition to\nICE_PTP_ERROR. The only valid path to ICE_PTP_ERROR is from\nICE_PTP_RESETTING after a failed rebuild.", "A flaw was found in the Linux kernel's ice driver. A local attacker, by triggering a Physical Function (PF) reset while the Precision Time Protocol (PTP) state is uninitialized, could cause an invalid state transition. This could lead to a kernel bug and a system crash, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-68133", "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": "2026-08-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68133\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68133\nhttps://lore.kernel.org/linux-cve-announce/2026081058-CVE-2026-68133-2a7c@gregkh/T"], "threat_severity": "Low"}

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