CVE-2026-64592

UNRATEDCVSS · not yet scored
—
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No CVSS published and no exploitation signals yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS v2: —Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

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

riscv: mm: Unconditionally sfence.vma for spurious fault

Svvptc does not guarantee that it's safe to just return here. Since we have already cleared our bit, if, theoretically, the bounded timeframe for the accessed page to become valid still hasn't happened after sret, we could fault again and actually crash.

Hopefully, these spurious faults should be rare enough that this is an acceptable slowdown.

CVSS v3
—
EchelonGraph score
Not yet assessedNo source has published severity data for this CVE yet — no CVSS score from NVD or a CNA, no GitHub advisory, and it is not in CISA KEV. This is not a rating of zero; we cannot assess it yet.
EG Score
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EG Risk
—
EPSS PROB
0.2%
EPSS %ILE
10th
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

EG Severity
Not assessed: no CVSS publishedA missing CVSS is not a severity of zero.
EG Likelihood
0.2% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-10-17). FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
No SSVC decision: EchelonGraph has not assessed this CVECISA BOD 26-04: 14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.Each input and its source: the BOD 26-04 block below.

BOD 26-04 (CISA's remediation timeline, Table 1)14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA's BOD 26-04 default) · Technical impact total (CISA's BOD 26-04 default). Where an input reads “CISA's BOD 26-04 default”, no one has published it for this CVE, and CISA's implementation guidance says: “If “Automatable” and “Technical Impact” information items about a CVE ID are not available and the CVE ID is not in the KEV Catalog, CISA will treat its values as “no” and “total,” respectively, until CISA or a third party provides metadata about the CVE ID. CISA will always provide the Vulnrichment data for a CVE ID listed in the KEV Catalog.” Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

August 6, 2026

Last Modified

August 17, 2026

References (4)

Vendor Advisories for CVE-2026-64592(1)

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

Patch Availability(11)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntulinux-virtual-hwe-26.04-edge (7.0.0-31.31) @ resolute2026-10-05ubuntu
ubuntulinux-tools-gcp-edge (7.0.0-1011.11~24.04.1) @ noble2026-10-05ubuntu
ubuntulinux-tools-nvidia-hwe-24.04-edge (7.0.0-1018.18~24.04.1) @ noble2026-10-05ubuntu
ubuntulinux-tools-nvidia-hwe-26.04 (7.0.0-2018.18) @ resolute2026-10-05ubuntu
ubuntulinux-tools-raspi-realtime-7.0 (7.0.0-1019.19) @ resolute2026-10-05ubuntu
ubuntulinux-tools-azure-edge (7.0.0-1014.14~24.04.1) @ noble2026-10-05ubuntu
ubuntulinux-tools-nvidia-hwe-24.04-edge (7.0.0-1018.18) @ resolute2026-10-05ubuntu
ubuntulinux-tools-oracle-7.0 (7.0.0-1011.11) @ resolute2026-10-05ubuntu
ubuntulinux-tools-oracle-edge (7.0.0-1011.11~24.04.1) @ noble2026-10-05ubuntu
ubuntulinux-tools-ibm-7.0 (7.0.0-1013.13) @ resolute2026-10-05ubuntu
ubuntulinux-tools-oem-7.0 (7.0.0-1013.13) @ resolute2026-10-05ubuntu

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.

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
linux-6.12—
  • every version up to 6.12.100-1~deb12u1: fixed in 6.12.100-1~deb12u1
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Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
linux6.12.38-1 ... 6.12.95-1~bpo12+1 (30 versions)
  • every version up to 6.12.96-1: fixed in 6.12.96-1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
linux6.12.100-1 ... 7.1~rc7-1~exp1 (159 versions)
  • every version up to 7.1.4-1: fixed in 7.1.4-1
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All Vendor Advisories

(11)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 8× in last 7d / 40× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. 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. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

  1. 2026-10-19 16:32 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  2. 2026-10-18 16:32 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  3. 2026-10-18 03:22 UTCEG score recompute
  4. 2026-10-17 16:35 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  5. 2026-10-16 16:43 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  6. 2026-10-15 16:32 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  7. 2026-10-14 16:33 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  8. 2026-10-13 16:34 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  9. 2026-10-12 16:34 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  10. 2026-10-12 15:47 UTCEG score recompute
  11. 2026-10-11 19:32 UTCEG score recompute
  12. 2026-10-11 16:47 UTCEG score recompute
  13. 2026-10-11 14:08 UTCEG score recompute
  14. 2026-10-11 13:49 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  15. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  16. 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  17. 2026-10-08 17:13 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  18. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  19. 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  20. 2026-10-05 19:31 UTCVendor advisory
  21. 2026-10-05 19:31 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  22. 2026-10-05 17:43 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  23. 2026-10-04 23:22 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  24. 2026-10-03 14:26 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  25. 2026-10-02 17:56 UTCEPSS rescoreEPSS 0.2% · 10th percentile
Show 70 more
  1. 2026-10-02 09:48 UTCEG score recompute
  2. 2026-10-02 09:48 UTCVendor advisory
  3. 2026-10-02 09:48 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  4. 2026-10-01 19:50 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  5. 2026-09-30 15:03 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  6. 2026-09-28 13:51 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  7. 2026-09-28 12:50 UTCVendor advisory
  8. 2026-09-28 12:50 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  9. 2026-09-26 15:59 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  10. 2026-09-25 07:22 UTCVendor advisory
  11. 2026-09-25 07:22 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  12. 2026-09-23 17:54 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  13. 2026-09-22 03:00 UTCVendor advisory
  14. 2026-09-22 03:00 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  15. 2026-09-20 20:16 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  16. 2026-09-18 22:19 UTCVendor advisory
  17. 2026-09-18 22:19 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  18. 2026-09-18 19:28 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  19. 2026-09-16 14:08 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  20. 2026-09-16 05:15 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  21. 2026-09-15 16:21 UTCVendor advisory
  22. 2026-09-15 16:21 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  23. 2026-09-12 11:59 UTCVendor advisory
  24. 2026-09-12 11:59 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  25. 2026-09-11 14:53 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  26. 2026-09-11 09:37 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  27. 2026-09-09 06:15 UTCVendor advisory
  28. 2026-09-09 06:15 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  29. 2026-09-07 16:01 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  30. 2026-09-06 13:47 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  31. 2026-09-05 18:01 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  32. 2026-09-05 15:31 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  33. 2026-09-04 05:07 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  34. 2026-09-02 14:12 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  35. 2026-09-02 07:24 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  36. 2026-09-01 13:54 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  37. 2026-08-30 19:17 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  38. 2026-08-30 01:22 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  39. 2026-08-29 23:27 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  40. 2026-08-28 21:42 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  41. 2026-08-26 19:05 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  42. 2026-08-26 14:47 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  43. 2026-08-25 13:49 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  44. 2026-08-23 14:25 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  45. 2026-08-23 00:19 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  46. 2026-08-21 23:49 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  47. 2026-08-20 22:55 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  48. 2026-08-20 10:03 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  49. 2026-08-19 17:04 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  50. 2026-08-18 13:48 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  51. 2026-08-17 13:47 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  52. 2026-08-17 05:41 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  53. 2026-08-17 05:25 UTCNVD update
  54. 2026-08-17 05:13 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  55. 2026-08-17 05:05 UTCMITRE cvelistV5
  56. 2026-08-16 14:56 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  57. 2026-08-15 21:28 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  58. 2026-08-15 01:30 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  59. 2026-08-13 22:00 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  60. 2026-08-12 17:05 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  61. 2026-08-12 13:51 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  62. 2026-08-11 00:00 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  63. 2026-08-09 13:47 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  64. 2026-08-09 12:44 UTCEG score recompute
  65. 2026-08-09 12:44 UTCGHSA enrichmentGHSA-m6hv-9h66-mmjv
  66. 2026-08-08 16:37 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  67. 2026-08-06 13:47 UTCEPSS rescoreEPSS 0.2% · 5th percentile
  68. 2026-08-06 08:21 UTCNVD update
  69. 2026-08-06 07:25 UTCEG score recompute
  70. 2026-08-06 07:25 UTCMITRE cvelistV5first tracked

Related CVEs(same vendor)

Frequently asked(4)

What is CVE-2026-64592?
CVE-2026-64592 is a vulnerability whose severity is not yet rated; its CVE record was published on August 6, 2026. In the Linux kernel, the following vulnerability has been resolved: riscv: mm: Unconditionally sfence.vma for spurious fault Svvptc does not guarantee that it's safe to just return here. Since we have already cleared our bit, if, theoretically, the bounded timeframe for the accessed page to become…
When was the CVE record for CVE-2026-64592 published?
The CVE record for CVE-2026-64592 was published on August 6, 2026. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of August 17, 2026; the record at its source may have been updated since.
Is CVE-2026-64592 actively exploited?
CVE-2026-64592 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (10th percentile of EPSS-scored CVEs).
How do I remediate CVE-2026-64592?
A fix for CVE-2026-64592 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-64592 are linked in the Vendor Advisories panel on this page.

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