CVE-2026-46088

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2026-05-27. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.5Exploit: NoneExposed: 0

A fix is available — apply it.

In the Linux kernel, the following vulnerability has been resolved:

ALSA: control: Validate buf_len before strnlen() in snd_ctl_elem_init_enum_names()

snd_ctl_elem_init_enum_names() advances pointer p through the names buffer while decrementing buf_len. If buf_len reaches zero but items remain, the next iteration calls strnlen(p, 0).

While strnlen(p, 0) returns 0 and would hit the existing name_len == 0 error path, CONFIG_FORTIFY_SOURCE's fortified strnlen() first checks maxlen against __builtin_dynamic_object_size(). When Clang loses track of p's object size inside the loop, this triggers a BRK exception panic before the return value is examined.

Add a buf_len == 0 guard at the loop entry to prevent calling fortified strnlen() on an exhausted buffer.

Found by kernel fuzz testing through Xiaomi Smartphone.

CVSS v3
5.5
EG Score
5.5(medium)
EPSS
2.4%
KEV
Not listed

Published

May 27, 2026

Last Modified

June 25, 2026

Advisory Details (8)

Auto-updated Jun 25, 2026
No patch confirmed yet.
generic

ALSA: control: Validate buf_len before strnlen() in snd_ctl_elem_init_enum_names() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/e0da8a8cac74f4b9f577979d131f0d2b88a84487
generic

ALSA: control: Validate buf_len before strnlen() in snd_ctl_elem_init_enum_names() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/bfcbb4994da9e979c4bcfcf24aaaac69e457e48e
generic

ALSA: control: Validate buf_len before strnlen() in snd_ctl_elem_init_enum_names() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a470f7cabc4df72d9bd132f5719a8717292bb440
generic

ALSA: control: Validate buf_len before strnlen() in snd_ctl_elem_init_enum_names() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/8ba0214c3dd32b8ec652947e3f2bc5b8f6e6be9e
generic

ALSA: control: Validate buf_len before strnlen() in snd_ctl_elem_init_enum_names() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/82012fd3e78a14360fbc2f1a7491589896704f97
generic

ALSA: control: Validate buf_len before strnlen() in snd_ctl_elem_init_enum_names() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/708f6ec9bcdf58bfd561409110baaf4fd3be4ea3
generic

ALSA: control: Validate buf_len before strnlen() in snd_ctl_elem_init_enum_names() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/654c818a69c21d2bea4e8fd9eae7da865df9a5c8
generic

ALSA: control: Validate buf_len before strnlen() in snd_ctl_elem_init_enum_names() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/1fbe46d2b72754d8bd580e13e59ccb5d3d0e8cb0

Vendor Advisories for CVE-2026-46088(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-virtual-hwe-26.04-edge (7.0.0-27.27) @ resolute2026-07-11ubuntu
ubuntulinux-tools-nvidia-hwe-24.04-edge (7.0.0-1013.13) @ resolute2026-07-11ubuntu
ubuntulinux-tools-raspi-realtime-7.0 (7.0.0-1014.14) @ resolute2026-07-11ubuntu
ubuntulinux-tools-oem-7.0 (7.0.0-1008.8) @ resolute2026-07-11ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Additional Vendor Advisories

(4)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 10× in last 7d / 58× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 02:00 UTCEPSS rescore
  3. 2026-07-13 22:30 UTCEPSS rescore
  4. 2026-07-13 06:13 UTCEPSS rescore
  5. 2026-07-12 05:46 UTCEPSS rescore
  6. 2026-07-11 23:29 UTCEG score recompute
  7. 2026-07-11 23:29 UTCVendor advisory
  8. 2026-07-11 23:29 UTCGHSA enrichment
  9. 2026-07-11 08:27 UTCEPSS rescore
  10. 2026-07-09 19:10 UTCEPSS rescore
  11. 2026-07-08 23:50 UTCEG score recompute
  12. 2026-07-08 23:50 UTCVendor advisory
  13. 2026-07-08 23:50 UTCGHSA enrichment
  14. 2026-07-08 15:16 UTCEPSS rescore
  15. 2026-07-06 16:27 UTCEPSS rescore
  16. 2026-07-06 02:23 UTCEPSS rescore
  17. 2026-07-05 02:30 UTCEPSS rescore
  18. 2026-07-04 06:31 UTCEPSS rescore
  19. 2026-07-01 15:07 UTCEPSS rescore
  20. 2026-07-01 10:10 UTCEG score recompute
  21. 2026-07-01 10:10 UTCVendor advisory
  22. 2026-07-01 10:10 UTCGHSA enrichment
  23. 2026-06-30 23:22 UTCEPSS rescore
  24. 2026-06-29 23:13 UTCEG score recompute
  25. 2026-06-29 23:13 UTCVendor advisory
Show 74 more
  1. 2026-06-29 23:13 UTCGHSA enrichment
  2. 2026-06-29 14:06 UTCEPSS rescore
  3. 2026-06-29 14:06 UTCEPSS rescore
  4. 2026-06-28 22:16 UTCEG score recompute
  5. 2026-06-28 22:16 UTCVendor advisory
  6. 2026-06-28 22:16 UTCGHSA enrichment
  7. 2026-06-28 14:07 UTCEPSS rescore
  8. 2026-06-28 04:56 UTCEPSS rescore
  9. 2026-06-28 04:56 UTCEPSS rescore
  10. 2026-06-27 21:17 UTCEG score recompute▲ 5.50
  11. 2026-06-27 21:17 UTCVendor advisory
  12. 2026-06-27 21:17 UTCGHSA enrichment
  13. 2026-06-27 03:08 UTCEPSS rescore
  14. 2026-06-25 21:50 UTCNVD updateCVSS v3 → 5.5 · severity → MEDIUM
  15. 2026-06-25 13:49 UTCEPSS rescore
  16. 2026-06-25 00:58 UTCVendor advisory
  17. 2026-06-25 00:58 UTCGHSA enrichment
  18. 2026-06-24 14:05 UTCEPSS rescore
  19. 2026-06-23 21:33 UTCEPSS rescore
  20. 2026-06-23 21:33 UTCEPSS rescore
  21. 2026-06-22 14:25 UTCEPSS rescore
  22. 2026-06-22 14:25 UTCEPSS rescore
  23. 2026-06-21 14:56 UTCEPSS rescore
  24. 2026-06-21 14:56 UTCEPSS rescore
  25. 2026-06-21 01:59 UTCEPSS rescore
  26. 2026-06-21 01:59 UTCEPSS rescore
  27. 2026-06-19 19:26 UTCEPSS rescore
  28. 2026-06-19 19:26 UTCEPSS rescore
  29. 2026-06-18 17:52 UTCEPSS rescore
  30. 2026-06-18 17:52 UTCEPSS rescore
  31. 2026-06-18 04:06 UTCGHSA enrichment
  32. 2026-06-17 17:53 UTCEPSS rescore
  33. 2026-06-16 17:52 UTCEPSS rescore
  34. 2026-06-15 17:49 UTCEPSS rescore
  35. 2026-06-15 07:48 UTCVendor advisory
  36. 2026-06-15 07:48 UTCGHSA enrichment
  37. 2026-06-14 23:28 UTCMITRE cvelistV5
  38. 2026-06-13 23:00 UTCEPSS rescore
  39. 2026-06-12 23:12 UTCEPSS rescore
  40. 2026-06-12 23:12 UTCEPSS rescore
  41. 2026-06-12 10:44 UTCVendor advisory
  42. 2026-06-12 10:44 UTCGHSA enrichment
  43. 2026-06-11 14:00 UTCEPSS rescore
  44. 2026-06-10 22:18 UTCEPSS rescore
  45. 2026-06-10 13:22 UTCEPSS rescore
  46. 2026-06-10 13:22 UTCEPSS rescore
  47. 2026-06-09 14:26 UTCGHSA enrichment
  48. 2026-06-08 14:17 UTCEPSS rescore
  49. 2026-06-08 14:17 UTCEPSS rescore
  50. 2026-06-07 15:25 UTCEPSS rescore
  51. 2026-06-07 15:25 UTCEPSS rescore
  52. 2026-06-06 18:08 UTCGHSA enrichment
  53. 2026-06-06 13:47 UTCEPSS rescore
  54. 2026-06-06 13:47 UTCEPSS rescore
  55. 2026-06-05 22:47 UTCEPSS rescore
  56. 2026-06-05 06:10 UTCEPSS rescore
  57. 2026-06-05 06:10 UTCEPSS rescore
  58. 2026-06-04 13:12 UTCEPSS rescore
  59. 2026-06-04 13:12 UTCEPSS rescore
  60. 2026-06-03 21:50 UTCGHSA enrichment
  61. 2026-06-02 20:13 UTCEPSS rescore
  62. 2026-06-01 13:52 UTCEPSS rescore
  63. 2026-06-01 13:52 UTCEPSS rescore
  64. 2026-06-01 01:31 UTCEG score recompute
  65. 2026-06-01 01:31 UTCGHSA enrichment
  66. 2026-05-31 22:30 UTCEPSS rescore
  67. 2026-05-31 22:30 UTCEPSS rescore
  68. 2026-05-31 00:16 UTCEPSS rescore
  69. 2026-05-31 00:16 UTCEPSS rescore
  70. 2026-05-29 13:44 UTCEPSS rescore
  71. 2026-05-29 13:44 UTCEPSS rescore
  72. 2026-05-28 13:44 UTCEPSS rescore
  73. 2026-05-28 13:44 UTCEPSS rescore
  74. 2026-05-27 14:07 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-46088?
CVE-2026-46088 is a medium vulnerability published on May 27, 2026. In the Linux kernel, the following vulnerability has been resolved: ALSA: control: Validate buflen before strnlen() in sndctleleminitenumnames() sndctleleminitenum_names() advances pointer p through the names buffer while decrementing buflen. If buflen reaches zero but items remain, the next…
When was CVE-2026-46088 disclosed?
CVE-2026-46088 was first published in the National Vulnerability Database on May 27, 2026, with the most recent update on June 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-46088 actively exploited?
CVE-2026-46088 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-46088?
CVE-2026-46088 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-46088?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-46088, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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