CVE-2026-23070

CWE-476 — NULL Pointer Dereference7 documents7 sources
Severity
5.5MEDIUM
EPSS
0.0%
top 95.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Linux LinuxLinux Linux Kernel
Timeline
PublishedFeb 4

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 6.1…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

▶NVDlinux/linux_kernel6.9 — 6.18.8+1
▶CVEListV5linux/linux997814491cee7b19c162ad82439818e555f99ad9 — 079050a23de6b7505595e4af75b36c34f0e9627e+3
▶Debianlinux< 6.18.8-1

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

3
OSV
CVE-2026-23070: In the Linux kernel, the following vulnerability has been resolved: Octeontx2-af: Add proper checks for fwdata firmware populates MAC address, link mo↗2026-02-04
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CVEList
Octeontx2-af: Add proper checks for fwdata↗2026-02-04
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GHSA
GHSA-692f-c3g3-7699: In the Linux kernel, the following vulnerability has been resolved: Octeontx2-af: Add proper checks for fwdata firmware populates MAC address, link↗2026-02-04
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📋Vendor Advisories

2
Red Hat
kernel: Octeontx2-af: Add proper checks for fwdata↗2026-02-04
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Debian
CVE-2026-23070: linux - In the Linux kernel, the following vulnerability has been resolved: Octeontx2-a...↗2026
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-23070 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2026-23070 (MEDIUM CVSS 5.5) | In the Linux kernel | cvebase.io