CVE-2026-31619
CVE-2026-31619 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (3rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-25512
- Affected product: Linux Linux Kernel
- Published:
- Last modified:
Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: fireworks: bound device-supplied status before string array lookup The status field in an EFW response is a 32-bit value supplied by the firewire device. efr_status_names[] has 17 entries so a status value outside that range goes off into the weeds when looking at the %s value. Even worse, the status could return EFR_STATUS_INCOMPLETE which is 0x80000000, and is obviously not in that array of potential strings. Fix this up by properly bounding the index against the array size and printing "unknown" if it's not recognized.
Frequently asked questions
- What is CVE-2026-31619?
- In the Linux kernel, the following vulnerability has been resolved: ALSA: fireworks: bound device-supplied status before string array lookup The status field in an EFW response is a 32-bit value supplied by the firewire device. efr_status_names[] has 17 entries so a status value outside that range goes off into the weeds when looking at the %s value. Even worse, the status could return EFR_STATUS_INCOMPLETE which is 0x80000000, and is obviously not in that array of potential strings. Fix this up by properly bounding the index against the array size and printing "unknown" if it's not recognized.
- How severe is CVE-2026-31619?
- CVE-2026-31619 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2026-31619 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-31619?
- CVE-2026-31619 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-31619?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-31619 have an EU (EUVD) identifier?
- Yes. CVE-2026-31619 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25512.
- When was CVE-2026-31619 published?
- CVE-2026-31619 was published on 2026-04-24 and last updated on 2026-06-17.
References
- https://git.kernel.org/stable/c/07704bbf36f57e4379e4cadf96410dab14621e3b
- https://git.kernel.org/stable/c/183aa0de0f680496b9feb85c9d182681ad4600dd
- https://git.kernel.org/stable/c/327f8e730e3c65ec97df9d3b07de66aeb3dc932d
- https://git.kernel.org/stable/c/62fcb273fbee5b2a0e7ed41cc914c8d7d1a5d285
- https://git.kernel.org/stable/c/67cfd14074cdafab5de3f7cfc0952c1a9b653e5d
- https://git.kernel.org/stable/c/682d8accf0d83a871e8c327b95c81f53902c922b
- https://git.kernel.org/stable/c/cc624b3d2be13297100539b64ad950695188e046
- https://git.kernel.org/stable/c/e103f98f6615ed2934e9cf340654f0cad9eb8a8a
- https://git.kernel.org/stable/c/f856f4b6efd51be7950e4b84c06cd961961ca41c
Affected products (1)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
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