CVE-2026-23070

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 36/100
Published: 2026-02-04 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Low Complexity No Interaction

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: Unchanged
C: None
I: None
A: High

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

Affected Software (11)

VendorProductVersion
Linux Linux 997814491cee7b19c162ad82439818e555f99ad9 < 079050a23de6b7505595e4af75b36c34f0e9627e
Linux Linux 997814491cee7b19c162ad82439818e555f99ad9 < e343973fab43c266a40e4e0dabdc4216db6d5eff
Linux Linux 997814491cee7b19c162ad82439818e555f99ad9 < 4a3dba48188208e4f66822800e042686784d29d1
Linux Linux 6.9
linux linux_kernel 6.9 – 6.18.8
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19

Bug Bounty Relevance

36 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.14%
Raw Score 0.001450
Percentile 3.8%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00145
2026-11-13
0.00145
2026-11-12
0.00145
2026-11-10
0.00145
2026-11-09
0.00145
2026-11-08
0.00145
2026-11-07
0.00145
2026-11-06
0.00145
2026-11-05
0.00145

Intelligence Sources

mitre ref →
nvd ref →