CVE-2026-23070

MediumCVSS 5.5/10Last modified Nov 5, 2026

Description

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

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

VendorProductVersions
LinuxLinux>= 997814491cee7b19c162ad82439818e555f99ad9, < 079050a23de6b7505595e4af75b36c34f0e9627e; >= 997814491cee7b19c162ad82439818e555f99ad9, < e343973fab43c266a40e4e0dabdc4216db6d5eff; >= 997814491cee7b19c162ad82439818e555f99ad9, < 4a3dba48188208e4f66822800e042686784d29d1
LinuxLinux6.9

References

Timeline

Published
Feb 4, 2026
Last modified
Nov 5, 2026
NVD status
Modified

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CVE-2026-23070: Medium severity, CVSS 5.5 | Vulnix