{"uuid": "6a472df1-4bae-4004-af0b-ec5ffbb4f8d6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2024-56706", "type": "seen", "source": "https://t.me/cvedetector/13827", "content": "{\n  \"Source\": \"CVE FEED\",\n  \"Title\": \"CVE-2024-56706 - IBM s390 CPUM SF Mutex Deadlock\", \n  \"Content\": \"CVE ID : CVE-2024-56706 \nPublished : Dec. 28, 2024, 10:15 a.m. | 44\u00a0minutes ago \nDescription : In the Linux kernel, the following vulnerability has been resolved:  \n  \ns390/cpum_sf: Fix and protect memory allocation of SDBs with mutex  \n  \nReservation of the PMU hardware is done at first event creation  \nand is protected by a pair of mutex_lock() and mutex_unlock().  \nAfter reservation of the PMU hardware the memory  \nrequired for the PMUs the event is to be installed on is  \nallocated by allocate_buffers() and alloc_sampling_buffer().  \nThis done outside of the mutex protection.  \nWithout mutex protection two or more concurrent invocations of  \nperf_event_init() may run in parallel.  \nThis can lead to allocation of Sample Data Blocks (SDBs)  \nmultiple times for the same PMU.  \nPrevent this and protect memory allocation of SDBs by  \nmutex. \nSeverity: 0.0 | NA \nVisit the link for more details, such as CVSS details, affected products, timeline, and more...\",\n  \"Detection Date\": \"28 Dec 2024\",\n  \"Type\": \"Vulnerability\"\n}\n\ud83d\udd39 t.me/cvedetector \ud83d\udd39", "creation_timestamp": "2024-12-28T12:05:49.000000Z"}