CVE-2026-31627Patch(linux / linux_kernel)

LOWCVSS 7.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch linux linux_kernel systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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.

0.5/ 10 priority

Sources & remediation

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • linux_kernel

Threat summary

  • Patch or workaround signal is available
  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 1 signal
  • General: 1 classified signal
  • Peaked 1d ago at 2 mentions (2026-04-24); latest day: 1
  • 3 total mentions across 2 days

Affected systems

Vendors
Products
linux_kernel

1 version affected across 1 product

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-04-24: 2Mentions · 2026-04-26: 1Patch / Workaround · 2026-04-24: 1Patch / Workaround · 2026-04-26: 1Technical Details · 2026-04-26: 104-2404-26
Signal classification2 categories
Patch
266.7%
General
133.3%
Referenced assets4 URLs
Classification over time
DateTotalLabels
2026-04-242
General1Patch1
2026-04-261
Patch1
Full discourse3 posts
  • WindowsForum@windowsforum
    Patch

    🪟 CVE-2026-31627 is the kind of “small bounds-check” fix that saves you from big chaos later. Embedded risk triage matters because someday that niche path becomes the headline. https://windowsforum.com/threads/cve-2026-31627-linux-smbus-length-validation-fix-and-embedded-risk-triage.415205/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #VulnerabilityManagement #LinuxKernel #EmbeddedLinux #SmbusValidation https://t.co/pYtqvK96UO

    Post summary

    The tweet focuses on a bounds‑check fix for CVE‑2026‑31627, noting the patch but offering no PoC, exploit, or evidence of active exploitation.

    0000037
    1.1K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    General

    CVE-2026-31627 Linux Kernel i2c https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-31627 Customizable Vulnerability Alerts: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=4

    Post summary

    The post lists the CVE identifier and links to an external details page, but provides no further technical or exploitation information.

    0000050
    4.0K followersView on X
  • CVE@CVEnew
    Patch

    CVE-2026-31627 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… https://www.cve.org/CVERecord?id=CVE-2026-31627

    Post summary

    The Linux kernel CVE-2026-31627 has been patched to validate SMBUS message size, with no PoC or exploitation details disclosed.

    0000080
    57.2K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
OSlinuxlinux_kernel---
OSlinuxlinux_kernel3.10--

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