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{"bugzilla": {"description": "kernel: peci: cpu: Fix use-after-free in adev_release()", "id": "2278942", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2278942"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\npeci: cpu: Fix use-after-free in adev_release()\nWhen auxiliary_device_add() returns an error, auxiliary_device_uninit()\nis called, which causes refcount for device to be decremented and\n.release callback will be triggered.\nBecause adev_release() re-calls auxiliary_device_uninit(), it will cause\nuse-after-free:\n[ 1269.455172] WARNING: CPU: 0 PID: 14267 at lib/refcount.c:28 refcount_warn_saturate+0x110/0x15\n[ 1269.464007] refcount_t: underflow; use-after-free.", "A security vulnerability was identified in the Linux kernel's PECI (Platform Environment Control Interface) subsystem, specifically within the CPU driver. The issue arises from a use-after-free condition in the adev_release() function."], "name": "CVE-2022-48670", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "2024-05-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-48670\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-48670\nhttps://lore.kernel.org/linux-cve-announce/2024050314-CVE-2022-48670-f9f1@gregkh/T"], "threat_severity": "Moderate"}

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