NuytsTech Security

CVE-2026-23070

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In the Linux kernel, the following vulnerability has been resolved:

Octeontx2-af: Add proper checks for fwdata

firmware populates MAC address, link modes (supported, advertised)
and EEPROM data in shared firmware structure which kernel access
via MAC block(CGX/RPM).

Accessing fwdata, on boards booted with out MAC block leading to
kernel panics.

Internal error: Oops: 0000000096000005 [#1] SMP
[ 10.460721] Modules linked in:
[ 10.463779] CPU: 0 UID: 0 PID: 174 Comm: kworker/0:3 Not tainted 6.19.0-rc5-00154-g76ec646abdf7-dirty #3 PREEMPT
[ 10.474045] Hardware name: Marvell OcteonTX CN98XX board (DT)
[ 10.479793] Workqueue: events work_for_cpu_fn
[ 10.484159] pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=–)
[ 10.491124] pc : rvu_sdp_init+0x18/0x114
[ 10.495051] lr : rvu_probe+0xe58/0x1d18

More information : https://git.kernel.org/stable/c/4a3dba48188208e4f66822800e042686784d29d1

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