CVE-2026-31474 can: isotp: fix tx.buf use-after-free in isotp_sendmsg()

In the Linux kernel, the following vulnerability has been resolved: can: isotp: fix tx.buf use-after-free in isotpsendmsg isotpsendmsg uses only cmpxchg on so-tx.state to serialize access to so-tx.buf. isotprelease waits for ISOTPIDLE via waiteventinterruptible and then calls kfreeso-tx.buf. If a...

kernel: idpf: check error for register_netdev() on init

In the Linux kernel, the following vulnerability has been resolved: idpf: check error for registernetdev on init Current init logic ignores the error code from registernetdev, which will cause WARNON on attempt to unregister it, if there was one, and there is no info for the user that the creatio...

CVE-2020-36789 can: dev: can_get_echo_skb(): prevent call to kfree_skb() in hard IRQ context

In the Linux kernel, the following vulnerability has been resolved: can: dev: cangetechoskb: prevent call to kfreeskb in hard IRQ context If a driver calls cangetechoskb during a hardware IRQ which is often, but not always, the case, the 'WARNONinirq' in net/core/skbuff.cskbreleaseheadstate might...