https://vulnerability.circl.lu Contains only the most 10 recent sightings. http://www.rssboard.org/rss-specification python-feedgen en Mon, 14 Sep 2026 13:32:21 +0000 https://vulnerability.circl.lu/sighting/15136a48-3926-42b8-98ac-d87e48640ddf/export {"uuid": "15136a48-3926-42b8-98ac-d87e48640ddf", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-23398", "type": "published-proof-of-concept", "source": "Telegram/9BtrUinGR09Vw-DDzgsbuAL7mkCqzQImOpJ5grPSV1xMots", "content": "", "creation_timestamp": "2026-08-28T00:00:47.717542Z"} {"uuid": "15136a48-3926-42b8-98ac-d87e48640ddf", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-23398", "type": "published-proof-of-concept", "source": "Telegram/9BtrUinGR09Vw-DDzgsbuAL7mkCqzQImOpJ5grPSV1xMots", "content": "", "creation_timestamp": "2026-08-28T00:00:47.717542Z"} https://vulnerability.circl.lu/sighting/15136a48-3926-42b8-98ac-d87e48640ddf/export Fri, 28 Aug 2026 00:00:47 +0000 https://vulnerability.circl.lu/sighting/9b9fb9ed-7bd3-439e-b63d-3dad9a27a46f/export {"uuid": "9b9fb9ed-7bd3-439e-b63d-3dad9a27a46f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-23398", "type": "published-proof-of-concept", "source": "https://t.me/cve0day/361", "content": "CVE-2026-23398\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nicmp: fix NULL pointer dereference in icmptagvalidation()\n\nicmptagvalidation() unconditionally dereferences the result of\nrcudereference(inetprotosproto) without checking for NULL.\nThe inetprotos[] array is sparse -- only about 15 of 256 protocol\nnumbers have registered handlers. When ipnopmtudisc is set to 3\n(hardened PMTU mode) and the kernel receives an ICMP Fragmentation\nNeeded error with a quoted inner IP header containing an unregistered\nprotocol number, the NULL dereference causes a kernel panic in\nsoftirq context.\n\n Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 #1 SMP KASAN NOPTI\n KASAN: null-ptr-deref in range 0x0000000000000010-0x0000000000000017\n RIP: 0010:icmpunreach (net/ipv4/icmp.c:1085 net/ipv4/icmp.c:1143)\n Call Trace:\n \n icmpr...", "creation_timestamp": "2026-08-28T00:00:30.475956Z"} {"uuid": "9b9fb9ed-7bd3-439e-b63d-3dad9a27a46f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-23398", "type": "published-proof-of-concept", "source": "https://t.me/cve0day/361", "content": "CVE-2026-23398\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nicmp: fix NULL pointer dereference in icmptagvalidation()\n\nicmptagvalidation() unconditionally dereferences the result of\nrcudereference(inetprotosproto) without checking for NULL.\nThe inetprotos[] array is sparse -- only about 15 of 256 protocol\nnumbers have registered handlers. When ipnopmtudisc is set to 3\n(hardened PMTU mode) and the kernel receives an ICMP Fragmentation\nNeeded error with a quoted inner IP header containing an unregistered\nprotocol number, the NULL dereference causes a kernel panic in\nsoftirq context.\n\n Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 #1 SMP KASAN NOPTI\n KASAN: null-ptr-deref in range 0x0000000000000010-0x0000000000000017\n RIP: 0010:icmpunreach (net/ipv4/icmp.c:1085 net/ipv4/icmp.c:1143)\n Call Trace:\n \n icmpr...", "creation_timestamp": "2026-08-28T00:00:30.475956Z"} https://vulnerability.circl.lu/sighting/9b9fb9ed-7bd3-439e-b63d-3dad9a27a46f/export Fri, 28 Aug 2026 00:00:30 +0000 https://vulnerability.circl.lu/sighting/57f68a4a-ecfd-490e-b516-dcb163927377/export {"uuid": "57f68a4a-ecfd-490e-b516-dcb163927377", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-23398", "type": "seen", "source": "https://t.me/cve0day/361", "content": "CVE-2026-23398\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nicmp: fix NULL pointer dereference in icmptagvalidation()\n\nicmptagvalidation() unconditionally dereferences the result of\nrcudereference(inetprotosproto) without checking for NULL.\nThe inetprotos[] array is sparse -- only about 15 of 256 protocol\nnumbers have registered handlers. When ipnopmtudisc is set to 3\n(hardened PMTU mode) and the kernel receives an ICMP Fragmentation\nNeeded error with a quoted inner IP header containing an unregistered\nprotocol number, the NULL dereference causes a kernel panic in\nsoftirq context.\n\n Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 #1 SMP KASAN NOPTI\n KASAN: null-ptr-deref in range 0x0000000000000010-0x0000000000000017\n RIP: 0010:icmpunreach (net/ipv4/icmp.c:1085 net/ipv4/icmp.c:1143)\n Call Trace:\n \n icmpr...", "creation_timestamp": "2026-08-27T15:00:09.384307Z"} {"uuid": "57f68a4a-ecfd-490e-b516-dcb163927377", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-23398", "type": "seen", "source": "https://t.me/cve0day/361", "content": "CVE-2026-23398\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nicmp: fix NULL pointer dereference in icmptagvalidation()\n\nicmptagvalidation() unconditionally dereferences the result of\nrcudereference(inetprotosproto) without checking for NULL.\nThe inetprotos[] array is sparse -- only about 15 of 256 protocol\nnumbers have registered handlers. When ipnopmtudisc is set to 3\n(hardened PMTU mode) and the kernel receives an ICMP Fragmentation\nNeeded error with a quoted inner IP header containing an unregistered\nprotocol number, the NULL dereference causes a kernel panic in\nsoftirq context.\n\n Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 #1 SMP KASAN NOPTI\n KASAN: null-ptr-deref in range 0x0000000000000010-0x0000000000000017\n RIP: 0010:icmpunreach (net/ipv4/icmp.c:1085 net/ipv4/icmp.c:1143)\n Call Trace:\n \n icmpr...", "creation_timestamp": "2026-08-27T15:00:09.384307Z"} https://vulnerability.circl.lu/sighting/57f68a4a-ecfd-490e-b516-dcb163927377/export Thu, 27 Aug 2026 15:00:09 +0000 https://vulnerability.circl.lu/sighting/4d61f22c-23ab-40a9-bb15-901f0cba675f/export {"uuid": "4d61f22c-23ab-40a9-bb15-901f0cba675f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-23398", "type": "published-proof-of-concept", "source": "Telegram/9BtrUinGR09Vw-DDzgsbuAL7mkCqzQImOpJ5grPSV1xMots", "content": "", "creation_timestamp": "2026-08-27T12:00:03.752517Z"} {"uuid": "4d61f22c-23ab-40a9-bb15-901f0cba675f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-23398", "type": "published-proof-of-concept", "source": "Telegram/9BtrUinGR09Vw-DDzgsbuAL7mkCqzQImOpJ5grPSV1xMots", "content": "", "creation_timestamp": "2026-08-27T12:00:03.752517Z"} https://vulnerability.circl.lu/sighting/4d61f22c-23ab-40a9-bb15-901f0cba675f/export Thu, 27 Aug 2026 12:00:03 +0000 https://vulnerability.circl.lu/sighting/a288eeff-07e9-44ce-a0f8-21b21744346b/export {"uuid": "a288eeff-07e9-44ce-a0f8-21b21744346b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-23399", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20260803", "content": "", "creation_timestamp": "2026-08-03T05:18:52.901724Z"} {"uuid": "a288eeff-07e9-44ce-a0f8-21b21744346b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-23399", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20260803", "content": "", "creation_timestamp": "2026-08-03T05:18:52.901724Z"} https://vulnerability.circl.lu/sighting/a288eeff-07e9-44ce-a0f8-21b21744346b/export Mon, 03 Aug 2026 05:18:52 +0000 https://vulnerability.circl.lu/sighting/6184bbd5-5d9c-48ae-9e5f-fba0f773a7f6/export {"uuid": "6184bbd5-5d9c-48ae-9e5f-fba0f773a7f6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-23398", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20260803", "content": "", "creation_timestamp": "2026-08-03T05:18:49.643998Z"} {"uuid": "6184bbd5-5d9c-48ae-9e5f-fba0f773a7f6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-23398", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20260803", "content": "", "creation_timestamp": "2026-08-03T05:18:49.643998Z"} https://vulnerability.circl.lu/sighting/6184bbd5-5d9c-48ae-9e5f-fba0f773a7f6/export Mon, 03 Aug 2026 05:18:49 +0000 https://vulnerability.circl.lu/sighting/304ffd7a-8a32-4f76-bbd1-20ba2f2390ae/export {"uuid": "304ffd7a-8a32-4f76-bbd1-20ba2f2390ae", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-23397", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20260803", "content": "", "creation_timestamp": "2026-08-03T05:18:47.390924Z"} {"uuid": "304ffd7a-8a32-4f76-bbd1-20ba2f2390ae", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-23397", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20260803", "content": "", "creation_timestamp": "2026-08-03T05:18:47.390924Z"} https://vulnerability.circl.lu/sighting/304ffd7a-8a32-4f76-bbd1-20ba2f2390ae/export Mon, 03 Aug 2026 05:18:47 +0000 https://vulnerability.circl.lu/sighting/dbf20cd0-41aa-4ce3-b040-e2f6adbba01e/export {"uuid": "dbf20cd0-41aa-4ce3-b040-e2f6adbba01e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-23396", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20260803", "content": "", "creation_timestamp": "2026-08-03T05:18:15.225822Z"} {"uuid": "dbf20cd0-41aa-4ce3-b040-e2f6adbba01e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-23396", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20260803", "content": "", "creation_timestamp": "2026-08-03T05:18:15.225822Z"} https://vulnerability.circl.lu/sighting/dbf20cd0-41aa-4ce3-b040-e2f6adbba01e/export Mon, 03 Aug 2026 05:18:15 +0000 https://vulnerability.circl.lu/sighting/118b42eb-6a11-4dcf-9f4d-0711ff06df64/export {"uuid": "118b42eb-6a11-4dcf-9f4d-0711ff06df64", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-23395", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20260803", "content": "", "creation_timestamp": "2026-08-03T05:18:12.946132Z"} {"uuid": "118b42eb-6a11-4dcf-9f4d-0711ff06df64", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-23395", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20260803", "content": "", "creation_timestamp": "2026-08-03T05:18:12.946132Z"} https://vulnerability.circl.lu/sighting/118b42eb-6a11-4dcf-9f4d-0711ff06df64/export Mon, 03 Aug 2026 05:18:12 +0000 https://vulnerability.circl.lu/sighting/33da29a5-c73d-4bb0-b4af-d964162a4027/export {"uuid": "33da29a5-c73d-4bb0-b4af-d964162a4027", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-23392", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20260803", "content": "", "creation_timestamp": "2026-08-03T05:18:09.813073Z"} {"uuid": "33da29a5-c73d-4bb0-b4af-d964162a4027", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-23392", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20260803", "content": "", "creation_timestamp": "2026-08-03T05:18:09.813073Z"} https://vulnerability.circl.lu/sighting/33da29a5-c73d-4bb0-b4af-d964162a4027/export Mon, 03 Aug 2026 05:18:09 +0000