{"vulnerability": "cve-2026-63831", "sightings": [{"uuid": "c0ba1869-3410-482d-be89-afddb5847773", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-63831", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/debian-linux-kernel-multiple-vulnerabilities_20260806", "content": "", "creation_timestamp": "2026-08-06T04:47:27.333512Z"}, {"uuid": "b4300362-1409-4b62-ab50-161a0e3b7026", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-63831", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mqz5dwlllj2s", "content": "CVE-2026-63831 - mac802154: llsec: add skb_cow_data() before in-place crypto\nCVE ID : CVE-2026-63831\n \n Published : July 19, 2026, 12:16 p.m. | 1\u00a0hour, 27\u00a0minutes ago\n \n Description : In the Linux kernel, the following vulnerability has been resolved:\n\nmac802154: llsec: add sk...", "creation_timestamp": "2026-07-19T15:56:07.124707Z"}, {"uuid": "5056a6ae-608c-421d-b33b-5ac203851022", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-63831", "type": "seen", "source": "https://infosec.exchange/users/vuldb/statuses/116948280487732006", "content": "The severity is increased for this new vulnerability affecting Linux Kernel (CVE-2026-63831) https://vuldb.com/vuln/380494", "creation_timestamp": "2026-07-19T19:25:43.687665Z"}, {"uuid": "5fc09f51-e6a4-416a-822c-96b09351df11", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-63831", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/116950776237366960", "content": "CVE-2026-63831: Linux kernel mac802154 llsec vuln (HIGH) could cause data corruption & kernel crashes via unsafe crypto ops on shared skb buffers. Update to patched kernel for stability. More: https://radar.offseq.com/threat/in-the-linux-kernel-the-following-vulnerability-has-been-resolved-mac802154-llsec-add-skbcowdata-9cf2707b26af2cc3 #OffSeq #Linux #CVE202663831 #Infosec", "creation_timestamp": "2026-07-20T06:00:26.220606Z"}, {"uuid": "ca760f29-4b4b-49c4-9e46-39921bad8e52", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "af0120d0-3dac-4a6a-974b-a9f33d2a9846", "vulnerability": "CVE-2026-63831", "type": "seen", "source": "https://vulnerability.circl.lu/bundle/0993320a-8372-47e9-a37e-158a64a4e0dc", "content": "", "creation_timestamp": "2026-09-15T12:46:43.200012Z"}]}