CVE-2026-98740

Unknown

Description

In the Linux kernel, the following vulnerability has been resolved: EDAC/altera: Drop __init from ECC setup paths for re-probe safety Sashiko reports: "Does suppressing sysfs unbinding fully prevent the execution of freed __init memory? If altr_sysmgr_regmap_lookup_by_phandle() returns -EPROBE_DEFER, the probe is deferred until after __init memory is freed." The a10 EDAC .setup callbacks (sdmmc, ethernet, nand, dma, usb, qspi) and their helpers (altr_init_a10_ecc_device_type, altr_init_a10_ecc_block) were marked __init. These run from the probe path, which may execute after init memory is freed -- e.g. a probe deferred via -EPROBE_DEFER that only succeeds once a late/module dependency appears, or a manual unbind/rebind. Calling __init code then dereferences freed memory. Remove __init so these functions remain valid at runtime.

SeverityUnknown
CVSS—
Exploit probability—
ProductLinux
PublishedOct 18, 2026
First seenOct 18, 2026

How to fix

Update
  • Linux Linux9846b85c2eb8b749c3f14bdcc31b1070f6aabba8, 4ec26cb7984740941892ad21fa974963c198bfaa, b62a264163ca51bee04785c581344751812395df or later

Affected products

ProductAffected versionsFixed in
Linux Linux788586efd116d6d7d05985881eda503333e702b4 ≤ v < 9846b85c2eb8b749c3f14bdcc31b1070f6aabba8, 788586efd116d6d7d05985881eda503333e702b4 ≤ v < 4ec26cb7984740941892ad21fa974963c198bfaa, 788586efd116d6d7d05985881eda503333e702b4 ≤ v < b62a264163ca51bee04785c581344751812395df, 5.29846b85c2eb8b749c3f14bdcc31b1070f6aabba8, 4ec26cb7984740941892ad21fa974963c198bfaa, b62a264163ca51bee04785c581344751812395df

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