[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-CVE-2026-46086":6},{"stargazers_count":4,"fetched_at":5},7,"2026-07-31T03:17:55.401Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":11,"aliases":12,"duplicate_of":9,"upstream":13,"downstream":14,"duplicates":35,"related":36,"reserved_at":9,"published_at":39,"modified_at":40,"state":41,"summary":42,"references_raw":46,"kevs":81,"epss":82,"epss_history":85,"metrics":205,"affected":206},"CVE-2026-46086","In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bridge: use a stable FDB dst snapshot in RCU readers\n\nLocal FDB entries can be rewritten in place by `fdb_delete_local()`, which\nupdates `f->dst` to another port or to `NULL` while keeping the entry\nalive. Several bridge RCU readers inspect `f->dst`, including\n`br_fdb_fillbuf()` through the `brforward_read()` sysfs path.\n\nThese readers currently load `f->dst` multiple times and can therefore\nobserve inconsistent values across the check and later dereference.\nIn `br_fdb_fillbuf()`, this means a concurrent local-FDB update can change\n`f->dst` after the NULL check and before the `port_no` dereference,\nleading to a NULL-ptr-deref.\n\nFix this by taking a single `READ_ONCE()` snapshot of `f->dst` in each\naffected RCU reader and using that snapshot for the rest of the access\nsequence. Also publish the in-place `f->dst` updates in `fdb_delete_local()`\nwith `WRITE_ONCE()` so the readers and writer use matching access patterns.",null,[],[],[],[],[15,17,19,21,23,25,27,29,31,33],{"_key":16},"OPENSUSE-SU-2026:10954-1",{"_key":18},"DEBIAN-CVE-2026-46086",{"_key":20},"SUSE-SU-2026:3130-1",{"_key":22},"RHSA-2026:38491",{"_key":24},"RHSA-2026:39179",{"_key":26},"RHSA-2026:39180",{"_key":28},"UBUNTU-CVE-2026-46086",{"_key":30},"USN-8567-1",{"_key":32},"USN-8569-1",{"_key":34},"USN-8574-1",[],[37,38],{"_key":16},{"_key":20},"2026-05-27T12:58:28.137Z","2026-06-19T11:59:23.674Z","Awaiting 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