{"vulnerability": "CVE-2026-72137", "sightings": [{"uuid": "d86c6a12-5bc1-4005-82ae-b28a6c5fa2ae", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-72137", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mtb7pllmey2j", "content": "CVE-2026-72137 - linux\nA Linux kernel vulnerability has been fixed that could cause a double free error when sending data over IPv4 or IPv6. This issue was resolved to prevent potential crashes. Linux users should\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#linux #CVE #infosec", "creation_timestamp": "2026-08-17T07:50:05.883204Z"}, {"uuid": "0bf5d9b6-8797-4875-9a68-60422250797a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-72137", "type": "seen", "source": "https://infosec.exchange/users/obivan/statuses/117167528441807422", "content": "Another Linux LPE https://github.com/NebuSec/CyberMeowfia/tree/main/security-research/Linux-CVE-2026-72137-ubuntu-7.0.0-28", "creation_timestamp": "2026-08-27T12:43:21.853921Z"}, {"uuid": "e4718662-78e6-40b8-ae44-ccf90717084c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-72137", "type": "seen", "source": "https://bsky.app/profile/obivan.infosec.exchange.ap.brid.gy/post/3mu2ure4kwfg2", "content": "Another Linux LPE https://github.com/NebuSec/CyberMeowfia/tree/main/security-research/Linux-CVE-2026-72137-ubuntu-7.0.0-28", "creation_timestamp": "2026-08-27T12:43:33.547563Z"}, {"uuid": "5d2a6051-f8df-43aa-9a5d-31885b94c086", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-72137", "type": "seen", "source": "https://infosec.exchange/users/decio/statuses/117167824894388556", "content": "Le kernel #Linux avait d\u00e9j\u00e0 free().Avec CVE-2026-72137, il propose maintenant le double free. :apartyblobcat: :neocat_floof_explode: \nEt CyberMeowfia  (nebusec.ai) vient de publier le PoC \u00ab root inclus \u00bb pour #Ubuntu  7.0.0-28.\u2b07\ufe0f LPE exploit for the latest Ubuntu 26.04 ( https://lnkd.in/p/eYP7_A2g ) \ud83d\udc40 \ud83d\udc47 https://github.com/NebuSec/CyberMeowfia/tree/main/security-research/Linux-CVE-2026-72137-ubuntu-7.0.0-28\nBref, si ce kernel tra\u00eene chez vous : patcher avant que quelqu\u2019un ne profite de la promo 2 pour 1.\n#CyberVeille #CVE_2026_72137", "creation_timestamp": "2026-08-27T13:58:45.582320Z"}, {"uuid": "c471f44a-9513-4d70-b87b-d7fac5dc72dd", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-72137", "type": "seen", "source": "https://bsky.app/profile/securityonline.bsky.social/post/3mtzwhpxnee2k", "content": "A public PoC exploit targets CVE-2026-72137, a CVSS 9.8 Linux kernel double-free that enables root privilege escalation. Patch now.\n\n#CVE202672137 #LinuxKernel #PrivilegeEscalation #PoC #xfrm #InfoSec", "creation_timestamp": "2026-08-27T03:41:12.360629Z"}, {"uuid": "cfbc73e9-5334-44f6-aa0e-630451775cd1", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-72137", "type": "seen", "source": "https://bsky.app/profile/cvemon.bsky.social/post/3mu2ljel7re2h", "content": "CVE-2026-72137 is trending. Hype score 9, currently #3 on cvemon.\n\nIn the Linux kernel, the following vulnerability has been resolved: xfrm: nat_keepalive: avoid double free on send error nat_keepalive_send() frees the keepalive skb whenever the IPv4\u2026\n\nhttps://cvemon.intruder.io/cves/CVE-2026-72137", "creation_timestamp": "2026-08-27T09:57:55.612619Z"}]}