CVE-2026-22982
In the Linux kernel, the following vulnerability has been resolved:
net: mscc: ocelot: Fix crash when adding interface under a lag
Commit 15faa1f67ab4 ("lan966x: Fix crash when adding interface under a lag") fixed a similar issue in the lan966x driver caused by a NULL pointer dereference. The ocelot_set_aggr_pgids() function in the ocelot driver has similar logic and is susceptible to the same crash.
This issue specifically affects the ocelot_vsc7514.c frontend, which leaves unused ports as NULL pointers. The felix_vsc9959.c frontend is unaffected as it uses the DSA framework which registers all ports.
Fix this by checking if the port pointer is valid before accessing it.
No affected software listed.
- https://git.kernel.org/stable/c/03fb1708b7d1e76aecebf767ad059c319845039f
- https://git.kernel.org/stable/c/2985712dc76dfa670eb7fd607c09d4d48e5f5c6e
- https://git.kernel.org/stable/c/34f3ff52cb9fa7dbf04f5c734fcc4cb6ed5d1a95
- https://git.kernel.org/stable/c/8767f238b0e6c3d0b295ac6dce9fbe6a99bd1b9d
- https://git.kernel.org/stable/c/b17818307446c5a8d925a39a792261dbfa930041
- https://git.kernel.org/stable/c/f490af47bbee02441e356a1e0b86e3b3dd5120ff
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