https://vulnerability.circl.lu/sightings/feed 2026-05-27T16:45:23.903134+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent sightings. https://vulnerability.circl.lu/sighting/f3360fd7-9731-49c0-bc20-e4784dcfdf6c/export 2026-05-27T16:45:24.276270+00:00 Automation user https://vulnerability.circl.lu/user/automation {"uuid": "f3360fd7-9731-49c0-bc20-e4784dcfdf6c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-0597", "type": "seen", "source": "https://t.me/cibsecurity/58804", "content": "\u203c CVE-2023-0597 \u203c\n\nA flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was found in the way user can guess location of exception stack(s) or other important data. A local user could use this flaw to get access to some important data with expected location in memory.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2023-02-23T22:18:26.000000Z"} 2023-02-23T22:18:26+00:00 https://vulnerability.circl.lu/sighting/1f8fff33-ad36-4b91-bc3a-ece20fbe0067/export 2026-05-27T16:45:24.276188+00:00 Automation user https://vulnerability.circl.lu/user/automation {"uuid": "1f8fff33-ad36-4b91-bc3a-ece20fbe0067", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-0597", "type": "seen", "source": "https://t.me/cibsecurity/67157", "content": "\u203c CVE-2023-3640 \u203c\n\nA possible unauthorized memory access flaw was found in the Linux kernel's cpu_entry_area mapping of X86 CPU data to memory, where a user may guess the location of exception stacks or other important data. Based on the previous CVE-2023-0597, the 'Randomize per-cpu entry area' feature was implemented in /arch/x86/mm/cpu_entry_area.c, which works through the init_cea_offsets() function when KASLR is enabled. However, despite this feature, there is still a risk of per-cpu entry area leaks. This issue could allow a local user to gain access to some important data with memory in an expected location and potentially escalate their privileges on the system.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2023-07-24T20:26:12.000000Z"} 2023-07-24T20:26:12+00:00 https://vulnerability.circl.lu/sighting/7af718f9-2432-45ec-ad42-d51dc038e044/export 2026-05-27T16:45:24.276098+00:00 Automation user https://vulnerability.circl.lu/user/automation {"uuid": "7af718f9-2432-45ec-ad42-d51dc038e044", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-0597", "type": "seen", "source": "https://t.me/arpsyndicate/763", "content": "#ExploitObserverAlert\n\nCVE-2023-3640\n\nDESCRIPTION: Exploit Observer has 1 entries related to CVE-2023-3640. A possible unauthorized memory access flaw was found in the Linux kernel's cpu_entry_area mapping of X86 CPU data to memory, where a user may guess the location of exception stacks or other important data. Based on the previous CVE-2023-0597, the 'Randomize per-cpu entry area' feature was implemented in /arch/x86/mm/cpu_entry_area.c, which works through the init_cea_offsets() function when KASLR is enabled. However, despite this feature, there is still a risk of per-cpu entry area leaks. This issue could allow a local user to gain access to some important data with memory in an expected location and potentially escalate their privileges on the system.\n\nFIRST-EPSS: 0.000420000\nNVD-IS: 5.9\nNVD-ES: 1.8", "creation_timestamp": "2023-11-29T15:54:06.000000Z"} 2023-11-29T15:54:06+00:00 https://vulnerability.circl.lu/sighting/158abf96-4fdd-4c83-855d-5960d53f667d/export 2026-05-27T16:45:24.275972+00:00 Automation user https://vulnerability.circl.lu/user/automation {"uuid": "158abf96-4fdd-4c83-855d-5960d53f667d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-0597", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/7362", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2023-0597\n\ud83d\udd25 CVSS Score: N/A\n\ud83d\udd39 Description: A flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was found in the way user can guess location of exception stack(s) or other important data. A local user could use this flaw to get access to some important data with expected location in memory.\n\ud83d\udccf Published: 2023-02-23T00:00:00.000Z\n\ud83d\udccf Modified: 2025-03-12T19:17:33.462Z\n\ud83d\udd17 References:\n1. https://git.kernel.org/linus/97e3d26b5e5f371b3ee223d94dd123e6c442ba80\n2. http://www.openwall.com/lists/oss-security/2023/07/28/1", "creation_timestamp": "2025-03-12T19:41:07.000000Z"} 2025-03-12T19:41:07+00:00 https://vulnerability.circl.lu/sighting/64507d3d-7183-4db0-8b1a-1dfb0ac92c77/export 2026-05-27T16:45:24.274528+00:00 Automation user https://vulnerability.circl.lu/user/automation {"uuid": "64507d3d-7183-4db0-8b1a-1dfb0ac92c77", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-0597", "type": "seen", "source": "https://t.me/DarkWebInformer_CVEAlerts/11782", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2023-3640\n\ud83d\udd25 CVSS Score: 7 (cvssV3_1, Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)\n\ud83d\udd39 Description: A possible unauthorized memory access flaw was found in the Linux kernel's cpu_entry_area mapping of X86 CPU data to memory, where a user may guess the location of exception stacks or other important data. Based on the previous CVE-2023-0597, the 'Randomize per-cpu entry area' feature was implemented in /arch/x86/mm/cpu_entry_area.c, which works through the init_cea_offsets() function when KASLR is enabled. However, despite this feature, there is still a risk of per-cpu entry area leaks. This issue could allow a local user to gain access to some important data with memory in an expected location and potentially escalate their privileges on the system.\n\ud83d\udccf Published: 2023-07-24T15:19:29.983Z\n\ud83d\udccf Modified: 2025-04-15T11:40:03.124Z\n\ud83d\udd17 References:\n1. https://access.redhat.com/errata/RHSA-2023:6583\n2. https://access.redhat.com/security/cve/CVE-2023-3640\n3. https://bugzilla.redhat.com/show_bug.cgi?id=2217523", "creation_timestamp": "2025-04-15T11:55:55.000000Z"} 2025-04-15T11:55:55+00:00