CVE-2026-23070

Octeontx2-af: Add proper checks for fwdata

EPSS 0.1%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

04 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Affected products

Linux · Linux

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References

https://git.kernel.org/stable/c/079050a23de6b7505595e4af75b36c34f0e9627e https://git.kernel.org/stable/c/4a3dba48188208e4f66822800e042686784d29d1 https://git.kernel.org/stable/c/e343973fab43c266a40e4e0dabdc4216db6d5eff