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NVD / CVE Program· CNA Linux

CVE-2026-90112: net: qlcnic: validate unified ROM sections before loading

Noroxi assessment

Priority: Monitor (action score 0/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.20% (FIRST EPSS).
  • Fixed version: Linux Linux 43451ec94fb67ae1715faf29e9e6ab20ecbd42f4, 4be733a450c86938c91f9c70a56802ef5069764c, 5e8076e4e4124dae75a3e080ddc20404700d7585.

Low priority for now. Upgrade to Linux Linux 43451ec94fb67ae1715faf29e9e6ab20ecbd42f4, 4be733a450c86938c91f9c70a56802ef5069764c, 5e8076e4e4124dae75a3e080ddc20404700d7585 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

In the Linux kernel, the following vulnerability has been resolved: net: qlcnic: validate unified ROM sections before loading The unified ROM parser reads directory, product, and data-descriptor fields from the firmware file. Existing validation forms table and data ends with unchecked additions and multiplications. Malformed values can wrap before they are compared with the firmware size. The parser also dereferences typed pointers at firmware-controlled offsets. Valid descriptor extents alone are insufficient for the consumers. The loader reads a fixed-size bootloader regardless of its declared size, the version parser assumes a 17-byte tail, and a partial final firmware word is read as a full u64. A truncated image can therefore make the driver read beyond the firmware allocation during validation or loading. Replace the pointer-returning parser with bounded range helpers. Validate table entry sizes, descriptor indices, section ranges, the fixed bootloader load length, and the version tail before exposing any section. Read all file fields with unaligned little-endian accessors and assemble a partial final word from only the bytes that remain. Apply the same range checks to the legacy image before reading its fixed fields.

—No exploit Fix available
Published
Sep 17, 2026
Updated
Oct 30, 2026
EPSS
0.2% · 10th percentile
CWE
—

Report tools

JSON

Action score

0

Monitor

Low priority for now.

CVSS
0 / 40 · —
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 2.6.34affected
    • af19b49152bdb68fda894183e88096d6d1aa5c3d and later · before ad6cceee7aca7762f90f155480c2cd8d11ec6914affected · git
    • af19b49152bdb68fda894183e88096d6d1aa5c3d and later · before 43451ec94fb67ae1715faf29e9e6ab20ecbd42f4affected · git
    • af19b49152bdb68fda894183e88096d6d1aa5c3d and later · before b9efc177703a03312cc2f6e6a4bbd4595e8158a1affected · git
    • af19b49152bdb68fda894183e88096d6d1aa5c3d and later · before 4be733a450c86938c91f9c70a56802ef5069764caffected · git
    • af19b49152bdb68fda894183e88096d6d1aa5c3d and later · before 684773c4d26f7f2211beb31fb90629216f8a61f5affected · git
    • af19b49152bdb68fda894183e88096d6d1aa5c3d and later · before 5e8076e4e4124dae75a3e080ddc20404700d7585affected · git
    • before 2.6.34not affected · semver
    • 6.1.191 and later · up to and including 6.1.*not affected · semver
    • 6.6.160 and later · up to and including 6.6.*not affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxfrom 0—
Debian:12linux-6.12before 6.12.111-1~deb12u16.12.111-1~deb12u1
Debian:13linuxbefore 6.12.111-16.12.111-1
Debian:14linuxbefore 7.2.6-17.2.6-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-74705udp: fix potential use-after-free in tunnel segmentation
    40Plan
  • CVE-2026-74612veth: fix skb length accounting after XDP frag adjustment
    40Plan
  • CVE-2026-74475vxlan: use neigh_ha_snapshot() in route_shortcircuit()
    40Plan

Published before and after this one in the same product

  • ← EarlierCVE-2026-90110Sep 17, 2026 · inetpeer: randomize RB-tree node comparison using SipHash
    37Monitor
  • ← EarlierCVE-2026-90111Sep 17, 2026 · ip6mr: do not clone dst in ip6mr_cache_report()
    31Monitor
  • Later →CVE-2026-90113Sep 17, 2026 · netdevsim: update queue NAPI association on queue reset
    0Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux43451ec94fb67ae1715faf29e9e6ab20ecbd42f4Vendor (CNA)
Linux Linux4be733a450c86938c91f9c70a56802ef5069764cVendor (CNA)
Linux Linux5e8076e4e4124dae75a3e080ddc20404700d7585Vendor (CNA)
Linux Linux684773c4d26f7f2211beb31fb90629216f8a61f5Vendor (CNA)
Linux Linuxad6cceee7aca7762f90f155480c2cd8d11ec6914Vendor (CNA)
Linux Linuxb9efc177703a03312cc2f6e6a4bbd4595e8158a1Vendor (CNA)
debian:linux6.12.111-1 · Debian:13Package registry (OSV)
debian:linux-6.126.12.111-1~deb12u1 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

No CVSS vector for this record, so attack conditions can't be derived.

Weakness class (CWE)

—

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

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References

Show all references (5 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records