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NVD / CVE Program· CNA Linux

CVE-2025-68344: ALSA: wavefront: Fix integer overflow in sample size validation

—No exploit Fix available

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: 0.21% (FIRST EPSS).
  • Fixed version: Linux Linux 02b63f3bc29265bd9e83191792d200ed563acacf, 0c4a13ba88594fd4a27292853e736c6b4349823d, 1823e08f76c68b9e1d26f6d5ef831b96f61a62a0.

Low priority for now. Upgrade to Linux Linux 02b63f3bc29265bd9e83191792d200ed563acacf, 0c4a13ba88594fd4a27292853e736c6b4349823d, 1823e08f76c68b9e1d26f6d5ef831b96f61a62a0 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: ALSA: wavefront: Fix integer overflow in sample size validation The wavefront_send_sample() function has an integer overflow issue when validating sample size. The header->size field is u32 but gets cast to int for comparison with dev->freemem Fix by using unsigned comparison to avoid integer overflow.

Published
Dec 24, 2025
Updated
Oct 19, 2026
EPSS
0.2% · 11th 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%

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  • 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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Follow CVE-2025-68344

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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

    • 2.6.12affected
    • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 488bf86d60077f52810c60dbdf7468c277880167affected · git
    • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before d2f5d8cf1eadb7b33e476f59aa9c6653e4f2b937affected · git
    • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 4f811071e702fbb74933526e2fbadf8c4ed0c0c4affected · git
    • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 02b63f3bc29265bd9e83191792d200ed563acacfaffected · git
    • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 5588b7c86effffa9bb55383a38800649d7b40778affected · git
    • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before bca11de0a277b8baeb7d006f93b543c907b6e782affected · git
    • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 1823e08f76c68b9e1d26f6d5ef831b96f61a62a0affected · git
    • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 and later · before 0c4a13ba88594fd4a27292853e736c6b4349823daffected · git
    • before 2.6.12not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.162-16.1.162-1
Debian:13linuxbefore 6.12.63-16.12.63-1
Debian:14linuxbefore 6.17.13-16.17.13-1
openSUSE:Tumbleweedkernel-sourcebefore 6.18.5-1.16.18.5-1.1

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-2023-54040Dec 24, 2025 · ice: fix wrong fallback logic for FDIR
    35Monitor
  • ← EarlierCVE-2023-54042Dec 24, 2025 · powerpc/64s: Fix VAS mm use after free
    31Monitor
  • Later →CVE-2025-68345Dec 24, 2025 · ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_hda_read_acpi()
    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 Linux02b63f3bc29265bd9e83191792d200ed563acacfVendor (CNA)
Linux Linux0c4a13ba88594fd4a27292853e736c6b4349823dVendor (CNA)
Linux Linux1823e08f76c68b9e1d26f6d5ef831b96f61a62a0Vendor (CNA)
Linux Linux488bf86d60077f52810c60dbdf7468c277880167Vendor (CNA)
Linux Linux4f811071e702fbb74933526e2fbadf8c4ed0c0c4Vendor (CNA)
Linux Linux5588b7c86effffa9bb55383a38800649d7b40778Vendor (CNA)
Linux Linuxbca11de0a277b8baeb7d006f93b543c907b6e782Vendor (CNA)
Linux Linuxd2f5d8cf1eadb7b33e476f59aa9c6653e4f2b937Vendor (CNA)
debian:linux6.1.162-1 · Debian:12Package registry (OSV)
opensuse:kernel-source6.18.5-1.1 · openSUSE:TumbleweedPackage 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

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.

References

Show all references (7 more)

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

All records