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CVE record · CVE-2026-93287

i2c: smbus: reject oversized block transfers in the common path

CVSS 7.8 HighEPSS 0.0013 · 2nd percentile

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 16:02 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Linux Linux
  • affected 4710317891e4824ce1510a6b5066abbd3e917750 to before 856dffcc097b3d8ed45a643ebda07cb92968cb33 git
  • affected 4710317891e4824ce1510a6b5066abbd3e917750 to before 356875e33f2c6d2061a02c9dec1a1e639d265a55 git
  • affected 4710317891e4824ce1510a6b5066abbd3e917750 to before 72ca5e0b8b7a62615758f8871c34d61616c2dc8b git
  • affected 4710317891e4824ce1510a6b5066abbd3e917750 to before df077253f6405d67ad087538e495ef32a05717b7 git
  • affected 4710317891e4824ce1510a6b5066abbd3e917750 to before f09edffba97d37b1fdff5f818a9a45f8a98ac171 git
  • affected 4710317891e4824ce1510a6b5066abbd3e917750 to before c4b478bc50b7ca9865e237909941253a0f7111a2 git
  • affected 4710317891e4824ce1510a6b5066abbd3e917750 to before 3051cd060fa496df42954291fa2306ed2eab4ecc git
Other versions: unaffected
Linux Linux
  • affected 2.6.33
  • unaffected before 2.6.33 semver
  • unaffected 5.10.271 to 5.10.*, inclusive semver
  • unaffected 5.15.222 to 5.15.*, inclusive semver
  • unaffected 6.1.189 to 6.1.*, inclusive semver
  • unaffected 6.6.158 to 6.6.*, inclusive semver
  • unaffected 6.12.111 to 6.12.*, inclusive semver
  • unaffected 6.18.53 to 6.18.*, inclusive semver
  • unaffected 7.1 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-93287
CNA
Linux
Tags
Published
24 Sept 2026
Updated
3 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.8 High 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0013, the 2nd percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 24 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.