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NVD / CVE Program· CNA Linux

CVE-2024-56679: octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_common.c

Noroxi assessment

Priority: Monitor (action score 22/100)

  • 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: 0.22% (FIRST EPSS).
  • Someone with local access to the system can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: Linux Linux 0fbc7a5027c6f7f2c785adae3dcec22b2f2b69b3, 4b88b202cf1ae79159a94fff9500f9be31559235, 52c63a6a27d3178fab533fcfb4baa2ed5b8608a3.

Low priority for now. Upgrade to Linux Linux 0fbc7a5027c6f7f2c785adae3dcec22b2f2b69b3, 4b88b202cf1ae79159a94fff9500f9be31559235, 52c63a6a27d3178fab533fcfb4baa2ed5b8608a3 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: octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_common.c Add error pointer check after calling otx2_mbox_get_rsp().

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Dec 28, 2024
Updated
Nov 5, 2026
EPSS
0.2% · 12th percentile
CWE
—

Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

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

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2024-56679

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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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.

VendorProduct
linuxlinux kernel

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • linux linux kernel5.12 and later · before 5.15.174
  • linux linux kernel5.16 and later · before 6.1.120
  • linux linux kernel6.2 and later · before 6.6.64
  • linux linux kernel6.7 and later · before 6.11.11
  • linux linux kernel6.12 and later · before 6.12.2

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

    • 5.12affected
    • ab58a416c93f134b72ec7e10d8d74509c3985243 and later · before 785c6758ea32aca73ba9331f7d902f7ce9a25757affected · git
    • ab58a416c93f134b72ec7e10d8d74509c3985243 and later · before 9265b6ee754226f61bd122ec57141a781d4e0dcbaffected · git
    • ab58a416c93f134b72ec7e10d8d74509c3985243 and later · before 52c63a6a27d3178fab533fcfb4baa2ed5b8608a3affected · git
    • ab58a416c93f134b72ec7e10d8d74509c3985243 and later · before 4b88b202cf1ae79159a94fff9500f9be31559235affected · git
    • ab58a416c93f134b72ec7e10d8d74509c3985243 and later · before d4d5139d280f5837f16d116614c05c2b4eeaf28faffected · git
    • ab58a416c93f134b72ec7e10d8d74509c3985243 and later · before 0fbc7a5027c6f7f2c785adae3dcec22b2f2b69b3affected · git
    • before 5.12not affected · semver
    • 5.15.174 and later · up to and including 5.15.*not affected · semver
    • 6.1.120 and later · up to and including 6.1.*not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.123-16.1.123-1
Debian:13linuxbefore 6.12.3-16.12.3-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-31431crypto: algif_aead - Revert to operating out-of-placeKEV
    90Now
  • CVE-2022-0847A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe…KEV
    89Now
  • CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV
    85Now

Published before and after this one in the same product

  • ← EarlierCVE-2024-56706Dec 28, 2024 · s390/cpum_sf: Fix and protect memory allocation of SDBs with mutex
    25Monitor
  • ← EarlierCVE-2024-56708Dec 28, 2024 · EDAC/igen6: Avoid segmentation fault on module unload
    31Monitor
  • Later →CVE-2024-56681Dec 28, 2024 · crypto: bcm - add error check in the ahash_hmac_init function
    22Monitor

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 Linux0fbc7a5027c6f7f2c785adae3dcec22b2f2b69b3Vendor (CNA)
Linux Linux4b88b202cf1ae79159a94fff9500f9be31559235Vendor (CNA)
Linux Linux52c63a6a27d3178fab533fcfb4baa2ed5b8608a3Vendor (CNA)
Linux Linux785c6758ea32aca73ba9331f7d902f7ce9a25757Vendor (CNA)
Linux Linux9265b6ee754226f61bd122ec57141a781d4e0dcbVendor (CNA)
Linux Linuxd4d5139d280f5837f16d116614c05c2b4eeaf28fVendor (CNA)
debian:linux6.1.123-1 · 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.

No history yet (it accumulates with the daily EPSS job).

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

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

—

CVSS vector

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

nvd-primary

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. SSVC exploitation— → none
  2. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (6 more)

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

All records