CVE-2026-23070
Linux Kernel vulnerability analysis and mitigation

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


SourceNVD

Related Linux Kernel vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-31427HIGH7.8
  • Linux KernelLinux Kernel
  • kernel-64k-debug-modules-partner
NoYesApr 13, 2026
CVE-2026-31428MEDIUM5.5
  • Linux KernelLinux Kernel
  • kernel-64k
NoYesApr 13, 2026
CVE-2026-31426MEDIUM5.5
  • Linux KernelLinux Kernel
  • kernel-64k-debug-modules-partner
NoYesApr 13, 2026
CVE-2026-31424MEDIUM5.5
  • Linux KernelLinux Kernel
  • kernel-rt-64k-modules-internal
NoYesApr 13, 2026
CVE-2026-31425N/AN/A
  • Linux KernelLinux Kernel
  • linux
NoYesApr 13, 2026

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