7.8

CVE-2026-31627: linux

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2026-31627DEBIAN-CVE-2026-31627CGA-26gx-r32x-7hpr
Published 24-04-2026Last modified 05-08-2026
Open JSON

Vulnerability summary

CVE-2026-31627 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.18%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 46 · Related 46
LSN-0122-1OPENSUSE-SU-2026:10703-1OPENSUSE-SU-2026:21555-1SUSE-SU-2026:23066-1SUSE-SU-2026:23068-1SUSE-SU-2026:23193-1

Timeline

  1. 24-04-2026
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

+0.05 pp

From 0.13% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.18%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu158 products
  • linuxAll versions (No fix recorded) | < 5.15.0-186.196 | < 6.8.0-136.136 | < 7.0.0-27.27
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1112.119 | < 6.8.0-1061.64 | < 7.0.0-1008.8
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Chainguard10 products
  • linux-aws-6.12< 6.12.85-r0
  • linux-aws-6.18< 6.18.31-r0
  • linux-azure-6.18< 6.18.31-r0
  • linux-gcp-6.12< 6.12.85-r0
  • linux-gcp-6.18< 6.18.31-r0
Linux2 products
  • linux≥ 85747311ecb6167c989093c64a13807366fdd3a9, < fd1650da24ed54c716aa9b69e9bbd8a662e492da | ≥ 85747311ecb6167c989093c64a13807366fdd3a9, < 8f756a5964396da0fc9e0db33253a5b85dbbcbb6 | ≥ 85747311ecb6167c989093c64a13807366fdd3a9, < 2d262da4bca6fab96e2e709feb95b31b0a9a03a7 | ≥ 85747311ecb6167c989093c64a13807366fdd3a9, < fa00738ab30b07db1a43b9c85fc56b8cc3b7d197 | ≥ 85747311ecb6167c989093c64a13807366fdd3a9, < d87d5620125a03b1eadbd5df39748215d3db7ddb | ≥ 85747311ecb6167c989093c64a13807366fdd3a9, < 377fae22a137b6b89f3f32399a58c52cf2325416 | ≥ 85747311ecb6167c989093c64a13807366fdd3a9, < 71b3c316b22c555d2769126a92b1244b15a9750d | ≥ 85747311ecb6167c989093c64a13807366fdd3a9, < aaaaec39ddbcd06770dca7f1adebc3b1242ebe7b | ≥ 85747311ecb6167c989093c64a13807366fdd3a9, < c0128c7157d639a931353ea344fb44aad6d6e17a | 3.10
  • linux_kernel≥ 3.10.1, < 6.6.136 | ≥ 6.7, < 6.12.83 | ≥ 6.13, < 6.18.24 | ≥ 6.19, < 6.19.14 | ≥ 7.0, < 7.0.1 | 3.10
Debian1 product
  • linux< 6.1.176-1 | < 6.12.85-1 | < 6.19.14-1

4 vendors · 171 products

References

48 links
Show all 48 references