net/sched: cls_route: fix fastmap use-after-free on filter
In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_route: fix fastmap use-after-free on filter The route4 classifier maintains a 16-slot fastmap cache that stores raw struct route4_filter pointers indexed by (id, iif). The reader (route4_classify) populates this cache via route4_set_fa…
Severity high: primary CNA CVSS 7.8 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2026-08-21T16:31:55.886Z. Updated 2026-10-16T19:05:58.388Z.