CVE-2026-23197
i2c: imx: preserve error state in block data length handler
Reported by linux · Published February 14, 2026
In the Linux kernel, the following vulnerability has been resolved: i2c: imx: preserve error state in block data length handler When a block read returns an invalid length, zero or >I2C_SMBUS_BLOCK_MAX, the length handler sets the state to IMX_I2C_STATE_FAILED. However, i2c_imx_master_isr() unconditionally overwrites this with IMX_I2C_STATE_READ_CONTINUE, causing an endless read loop that overruns buffers and crashes the system. Guard the state transition to preserve error states set by the length handler.
EPSS 0.12% · 1.6th percentile
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| Linux | Linux | b126097b0327437048bd045a0e4d273dea2910dd, 6.13, 3f9b508b3eecc00a243edf320bd83834d6a9b482 |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 5f5c2d4579ca6836f5604cca979debd68ecfe23f, 5f5c2d4579ca6836f5604cca979debd68ecfe23f |
| Linux | Linux | 6.13, 0, 6.18.10 |
| Linux | Linux | 5f5c2d4579ca6836f5604cca979debd68ecfe23f, 6.18.10, 6.19 |
| linux | linux_kernel | 6.13, 6.13 |
Timeline
- Feb 14, 2026 CVE Published
- Feb 14, 2026 PoC Published
- Feb 15, 2026 EPSS Score (30 in total, the first dated here)
- Mar 19, 2026 CVE Updated
- Mar 22, 2026 Coalition ESS Score (2 in total, the first dated here)
- Mar 30, 2026 Security Advisory (165 in total, the first dated here)
- Oct 4, 2026 Distribution Patch (162 in total, the first dated here)
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