{"id":"CVE-2026-64000","summary":"net: hsr: fix potential OOB access in supervision frame handling","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hsr: fix potential OOB access in supervision frame handling\n\nEnsure the entire TLV header is linearized before access by adding\nsizeof(struct hsr_sup_tlv) to the pskb_may_pull() calls. Without this,\na truncated frame could cause an out-of-bounds access.","modified":"2026-10-28T02:31:04.867754494Z","published":"2026-07-19T14:56:18.116Z","related":["SUSE-SU-2026:23477-1","SUSE-SU-2026:23481-1","SUSE-SU-2026:23528-1","SUSE-SU-2026:23529-1","SUSE-SU-2026:23881-1","SUSE-SU-2026:23887-1","SUSE-SU-2026:23897-1","SUSE-SU-2026:23902-1","SUSE-SU-2026:23993-1","SUSE-SU-2026:23994-1","SUSE-SU-2026:23995-1","SUSE-SU-2026:23996-1","SUSE-SU-2026:23997-1","SUSE-SU-2026:23998-1","SUSE-SU-2026:23999-1","SUSE-SU-2026:24000-1","SUSE-SU-2026:24001-1","SUSE-SU-2026:24002-1","SUSE-SU-2026:24003-1","SUSE-SU-2026:24004-1","SUSE-SU-2026:24005-1","SUSE-SU-2026:24006-1","SUSE-SU-2026:24007-1","SUSE-SU-2026:24008-1","SUSE-SU-2026:24009-1","SUSE-SU-2026:24010-1","SUSE-SU-2026:24016-1","SUSE-SU-2026:24022-1","SUSE-SU-2026:24023-1","SUSE-SU-2026:24024-1","SUSE-SU-2026:24025-1","SUSE-SU-2026:24026-1","SUSE-SU-2026:24027-1","SUSE-SU-2026:24028-1","SUSE-SU-2026:24029-1","SUSE-SU-2026:24030-1","SUSE-SU-2026:24031-1","SUSE-SU-2026:24032-1","SUSE-SU-2026:24033-1","SUSE-SU-2026:24034-1","SUSE-SU-2026:24035-1","SUSE-SU-2026:24036-1","SUSE-SU-2026:24037-1","SUSE-SU-2026:24038-1","SUSE-SU-2026:24040-1","SUSE-SU-2026:24041-1","SUSE-SU-2026:24042-1","SUSE-SU-2026:24043-1","SUSE-SU-2026:24044-1","SUSE-SU-2026:24045-1","SUSE-SU-2026:24046-1","SUSE-SU-2026:24047-1","SUSE-SU-2026:24048-1","SUSE-SU-2026:24049-1","SUSE-SU-2026:24050-1","SUSE-SU-2026:24051-1","SUSE-SU-2026:24052-1","SUSE-SU-2026:24053-1","SUSE-SU-2026:24054-1","SUSE-SU-2026:24058-1","SUSE-SU-2026:24059-1","SUSE-SU-2026:24060-1","SUSE-SU-2026:24061-1","SUSE-SU-2026:24062-1","SUSE-SU-2026:24063-1","SUSE-SU-2026:24064-1","SUSE-SU-2026:24065-1","SUSE-SU-2026:24066-1","SUSE-SU-2026:24067-1","SUSE-SU-2026:24068-1","SUSE-SU-2026:24069-1","SUSE-SU-2026:24070-1","SUSE-SU-2026:24071-1","SUSE-SU-2026:24072-1","SUSE-SU-2026:24074-1","SUSE-SU-2026:24075-1","SUSE-SU-2026:24076-1","SUSE-SU-2026:24077-1","SUSE-SU-2026:24078-1","SUSE-SU-2026:24079-1","SUSE-SU-2026:24080-1","SUSE-SU-2026:24081-1","SUSE-SU-2026:24082-1","SUSE-SU-2026:24083-1","SUSE-SU-2026:24084-1","SUSE-SU-2026:24085-1","SUSE-SU-2026:24086-1","SUSE-SU-2026:24087-1","SUSE-SU-2026:24088-1","SUSE-SU-2026:24089-1","SUSE-SU-2026:24090-1","SUSE-SU-2026:24092-1","SUSE-SU-2026:24093-1","SUSE-SU-2026:24094-1","SUSE-SU-2026:24095-1","SUSE-SU-2026:24097-1","SUSE-SU-2026:24098-1","SUSE-SU-2026:24099-1","SUSE-SU-2026:24100-1","SUSE-SU-2026:24101-1","SUSE-SU-2026:24102-1","SUSE-SU-2026:24103-1","SUSE-SU-2026:24104-1","SUSE-SU-2026:24105-1","SUSE-SU-2026:24106-1","SUSE-SU-2026:24107-1","SUSE-SU-2026:24108-1","SUSE-SU-2026:24160-1","SUSE-SU-2026:24161-1","SUSE-SU-2026:24162-1","SUSE-SU-2026:24163-1","SUSE-SU-2026:24164-1","SUSE-SU-2026:24165-1","SUSE-SU-2026:24166-1","SUSE-SU-2026:24167-1","SUSE-SU-2026:24168-1","SUSE-SU-2026:24169-1","SUSE-SU-2026:24170-1","SUSE-SU-2026:24171-1","SUSE-SU-2026:24172-1","SUSE-SU-2026:24173-1","SUSE-SU-2026:24174-1","SUSE-SU-2026:24175-1","SUSE-SU-2026:4120-1","SUSE-SU-2026:4254-1","SUSE-SU-2026:4369-1","SUSE-SU-2026:4415-1","SUSE-SU-2026:4433-1","SUSE-SU-2026:4471-1","SUSE-SU-2026:4489-1","SUSE-SU-2026:4498-1","SUSE-SU-2026:4513-1","SUSE-SU-2026:4514-1","SUSE-SU-2026:4518-1","SUSE-SU-2026:4537-1","SUSE-SU-2026:4540-1","openSUSE-SU-2026:21910-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64000.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/09a37dca090c55ffb1a33f52d8667f1c2367ef48"},{"type":"WEB","url":"https://git.kernel.org/stable/c/71c986c0ba45b7dc574fae27c83e7b6671556f37"},{"type":"WEB","url":"https://git.kernel.org/stable/c/78607a6854a22a2502f68092202e75a39af4865d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a4b64f3e9c7b8259f7dd251a0313420ba7c01852"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f229426072fc865654a60978bb7fda790a051ff3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fbd0662f9c9a66e8cc3df3099cca8ed6d3837cc7"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64000.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64000"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"eafaa88b3eb7f28aecb222281655473431d3ef2e"},{"fixed":"09a37dca090c55ffb1a33f52d8667f1c2367ef48"},{"fixed":"a4b64f3e9c7b8259f7dd251a0313420ba7c01852"},{"fixed":"71c986c0ba45b7dc574fae27c83e7b6671556f37"},{"fixed":"fbd0662f9c9a66e8cc3df3099cca8ed6d3837cc7"},{"fixed":"78607a6854a22a2502f68092202e75a39af4865d"},{"fixed":"f229426072fc865654a60978bb7fda790a051ff3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64000.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"}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