CVE-2026-97998
2026-09-25
11h17 +00:00
11h17 +00:00
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Deskripsi CVE
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nfnetlink_log: cope with concurrent instance destruction
Instances are refcounted. However, only memory release happens on the
1 -> 0 transition; the unlink from hashes can occur with any refcount.
Uncooperative userspace can force a situation where a queue is pending
for destruction from netlink event while a different socket with same
portid processes an UNBIND request.
With right timing, this will unhash the instance again:
Oops: general protection fault, [..]
Call Trace:
nfulnl_recv_config+0x31a/0xd50
nfnetlink_rcv_msg+0x7c2/0xeb0
