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NVD / CVE Program· CNA Linux

CVE-2025-23156: media: venus: hfi_parser: refactor hfi packet parsing logic

HighCVSS 7.1 · v3.1—No exploit Fix available

Noroxi assessment

Priority: Monitor (action score 28/100)

  • 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 05b07e52a0d08239147ba3460045855f4fb398de, 0beabe9b49190a02321b02792b29fc0f0e28b51f, 0f9a4bab7d83738963365372e4745854938eab2d; azl3 kernel 6.6.85.1-4 on Azure Linux 3.0 6.6.92.2-1; azl3 kernel 6.6.92.2-1 on Azure Linux 3.0 6.6.92.2-1.

Low priority for now. Upgrade to Linux Linux 05b07e52a0d08239147ba3460045855f4fb398de, 0beabe9b49190a02321b02792b29fc0f0e28b51f, 0f9a4bab7d83738963365372e4745854938eab2d; azl3 kernel 6.6.85.1-4 on Azure Linux 3.0 6.6.92.2-1; azl3 kernel 6.6.92.2-1 on Azure Linux 3.0 6.6.92.2-1 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: media: venus: hfi_parser: refactor hfi packet parsing logic words_count denotes the number of words in total payload, while data points to payload of various property within it. When words_count reaches last word, data can access memory beyond the total payload. This can lead to OOB access. With this patch, the utility api for handling individual properties now returns the size of data consumed. Accordingly remaining bytes are calculated before parsing the payload, thereby eliminates the OOB access possibilities.

Published
May 1, 2025
Updated
Aug 5, 2026
EPSS
0.2% · 13th percentile

Report tools

JSON

Action score

28

Monitor

Low priority for now.

CVSS
28 / 40 · 7.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CNA vs NVD score

NVD
7.1
CNA · Linux
7.8
0.7 point gap

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

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-2025-23156

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
debiandebian linux

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

    • 4.19affected
    • 1a73374a04e555103e5369429a30999114001dda and later · before 0beabe9b49190a02321b02792b29fc0f0e28b51faffected · git
    • 1a73374a04e555103e5369429a30999114001dda and later · before f195e94c7af921d99abd79f57026a218d191d2c7affected · git
    • 1a73374a04e555103e5369429a30999114001dda and later · before 0f9a4bab7d83738963365372e4745854938eab2daffected · git
    • 1a73374a04e555103e5369429a30999114001dda and later · before 05b07e52a0d08239147ba3460045855f4fb398deaffected · git
    • 1a73374a04e555103e5369429a30999114001dda and later · before bb3fd8b7906a12dc2b61389abb742bf6542d97fbaffected · git
    • 1a73374a04e555103e5369429a30999114001dda and later · before a736c72d476d1c7ca7be5018f2614ee61168ad01affected · git
    • 1a73374a04e555103e5369429a30999114001dda and later · before 6d278c5548d840c4d85d445347b2a5c31b2ab3a0affected · git
    • 1a73374a04e555103e5369429a30999114001dda and later · before 9edaaa8e3e15aab1ca413ab50556de1975bcb329affected · git
    • before 4.19not affected · semver
Affected versions · NVD (8)

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

  • debian debian linux11.0
  • linux linux kernel5.11 and later · before 5.15.181
  • linux linux kernel5.16 and later · before 6.1.135
  • linux linux kernel6.2 and later · before 6.6.88
  • linux linux kernel4.19 and later · before 5.10.237
  • linux linux kernel6.13 and later · before 6.13.12
  • linux linux kernel6.14 and later · before 6.14.3
  • linux linux kernel6.7 and later · before 6.12.24

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.135-16.1.135-1
Debian:13linuxbefore 6.12.25-16.12.25-1

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-2025-23153May 1, 2025 · arm/crc-t10dif: fix use of out-of-scope array in crc_t10dif_arch()
    22Monitor
  • ← EarlierCVE-2025-23155May 1, 2025 · net: stmmac: Fix accessing freed irq affinity_hint
    22Monitor
  • Later →CVE-2025-23157May 1, 2025 · media: venus: hfi_parser: add check to avoid out of bound access
    28Monitor

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 Linux05b07e52a0d08239147ba3460045855f4fb398deVendor (CNA)
Linux Linux0beabe9b49190a02321b02792b29fc0f0e28b51fVendor (CNA)
Linux Linux0f9a4bab7d83738963365372e4745854938eab2dVendor (CNA)
Linux Linux6d278c5548d840c4d85d445347b2a5c31b2ab3a0Vendor (CNA)
Linux Linux9edaaa8e3e15aab1ca413ab50556de1975bcb329Vendor (CNA)
Linux Linuxa736c72d476d1c7ca7be5018f2614ee61168ad01Vendor (CNA)
Linux Linuxbb3fd8b7906a12dc2b61389abb742bf6542d97fbVendor (CNA)
Linux Linuxf195e94c7af921d99abd79f57026a218d191d2c7Vendor (CNA)
azl3 kernel 6.6.85.1-4 on Azure Linux 3.06.6.92.2-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
azl3 kernel 6.6.92.2-1 on Azure Linux 3.06.6.92.2-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
debian:linux6.1.135-1 · 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.

Not on record for this CVE: EPSS history · patch commit or PR link · researcher credit · variant or chain candidate · public bounty program.

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
high · data can be read
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
High
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-125 · Out-of-bounds Read

CVSS vector

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

ATT&CK techniques

—

References

Show all references (9 more)

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

All records