CVE-2026-31627 (GCVE-0-2026-31627)

Vulnerability from cvelistv5 – Published: 2026-04-24 14:42 – Updated: 2026-04-27 14:04
VLAI?
Title
i2c: s3c24xx: check the size of the SMBUS message before using it
Summary
In the Linux kernel, the following vulnerability has been resolved: i2c: s3c24xx: check the size of the SMBUS message before using it The first byte of an i2c SMBUS message is the size, and it should be verified to ensure that it is in the range of 0..I2C_SMBUS_BLOCK_MAX before processing it. This is the same logic that was added in commit a6e04f05ce0b ("i2c: tegra: check msg length in SMBUS block read") to the i2c tegra driver.
Severity ?
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 85747311ecb6167c989093c64a13807366fdd3a9 , < fa00738ab30b07db1a43b9c85fc56b8cc3b7d197 (git)
Affected: 85747311ecb6167c989093c64a13807366fdd3a9 , < d87d5620125a03b1eadbd5df39748215d3db7ddb (git)
Affected: 85747311ecb6167c989093c64a13807366fdd3a9 , < 377fae22a137b6b89f3f32399a58c52cf2325416 (git)
Affected: 85747311ecb6167c989093c64a13807366fdd3a9 , < 71b3c316b22c555d2769126a92b1244b15a9750d (git)
Affected: 85747311ecb6167c989093c64a13807366fdd3a9 , < aaaaec39ddbcd06770dca7f1adebc3b1242ebe7b (git)
Affected: 85747311ecb6167c989093c64a13807366fdd3a9 , < c0128c7157d639a931353ea344fb44aad6d6e17a (git)
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    Linux Linux Affected: 3.10
Unaffected: 0 , < 3.10 (semver)
Unaffected: 6.6.136 , ≤ 6.6.* (semver)
Unaffected: 6.12.83 , ≤ 6.12.* (semver)
Unaffected: 6.18.24 , ≤ 6.18.* (semver)
Unaffected: 6.19.14 , ≤ 6.19.* (semver)
Unaffected: 7.0.1 , ≤ 7.0.* (semver)
Unaffected: 7.1-rc1 , ≤ * (original_commit_for_fix)
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  }
}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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