{"id":"CVE-2026-98740","state":"PUBLISHED","title":"EDAC/altera: Drop __init from ECC setup paths for re-probe safety","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nEDAC/altera: Drop __init from ECC setup paths for re-probe safety\n\nSashiko reports:\n\n\"Does suppressing sysfs unbinding fully prevent the execution of freed __init\nmemory? If altr_sysmgr_regmap_lookup_by_phandle() returns -EPROBE_DEFER, the\nprobe is deferred until after __init memory is freed.\"\n\nThe a10 EDAC .setup callbacks (sdmmc, ethernet, nand, dma, usb, qspi) and\ntheir helpers (altr_init_a10_ecc_device_type, altr_init_a10_ecc_block) were\nmarked __init. These run from the probe path, which may execute after init\nmemory is freed -- e.g. a probe deferred via -EPROBE_DEFER that only succeeds\nonce a late/module dependency appears, or a manual unbind/rebind. Calling\n__init code then dereferences freed memory. Remove __init so these functions\nremain valid at runtime.","publishedAt":"2026-10-18T15:47:24.602Z","updatedAt":"2026-10-19T09:24:50.943Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"788586efd116d6d7d05985881eda503333e702b4","status":"affected","lessThan":"9846b85c2eb8b749c3f14bdcc31b1070f6aabba8","versionType":"git"},{"version":"788586efd116d6d7d05985881eda503333e702b4","status":"affected","lessThan":"4ec26cb7984740941892ad21fa974963c198bfaa","versionType":"git"},{"version":"788586efd116d6d7d05985881eda503333e702b4","status":"affected","lessThan":"b62a264163ca51bee04785c581344751812395df","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/edac/altera_edac.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.2","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/edac/altera_edac.c"]}],"references":["https://git.kernel.org/stable/c/9846b85c2eb8b749c3f14bdcc31b1070f6aabba8","https://git.kernel.org/stable/c/4ec26cb7984740941892ad21fa974963c198bfaa","https://git.kernel.org/stable/c/b62a264163ca51bee04785c581344751812395df"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98740.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98740","state":"PUBLISHED","datePublished":"2026-10-18T15:47:24.602Z","dateUpdated":"2026-10-19T09:24:50.943Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.367Z"},"containers":{"cna":{"title":"EDAC/altera: Drop __init from ECC setup paths for re-probe safety","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nEDAC/altera: Drop __init from ECC setup paths for re-probe safety\n\nSashiko reports:\n\n\"Does suppressing sysfs unbinding fully prevent the execution of freed __init\nmemory? If altr_sysmgr_regmap_lookup_by_phandle() returns -EPROBE_DEFER, the\nprobe is deferred until after __init memory is freed.\"\n\nThe a10 EDAC .setup callbacks (sdmmc, ethernet, nand, dma, usb, qspi) and\ntheir helpers (altr_init_a10_ecc_device_type, altr_init_a10_ecc_block) were\nmarked __init. These run from the probe path, which may execute after init\nmemory is freed -- e.g. a probe deferred via -EPROBE_DEFER that only succeeds\nonce a late/module dependency appears, or a manual unbind/rebind. Calling\n__init code then dereferences freed memory. Remove __init so these functions\nremain valid at runtime."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"788586efd116d6d7d05985881eda503333e702b4","status":"affected","lessThan":"9846b85c2eb8b749c3f14bdcc31b1070f6aabba8","versionType":"git"},{"version":"788586efd116d6d7d05985881eda503333e702b4","status":"affected","lessThan":"4ec26cb7984740941892ad21fa974963c198bfaa","versionType":"git"},{"version":"788586efd116d6d7d05985881eda503333e702b4","status":"affected","lessThan":"b62a264163ca51bee04785c581344751812395df","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/edac/altera_edac.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.2","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/edac/altera_edac.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/9846b85c2eb8b749c3f14bdcc31b1070f6aabba8"},{"url":"https://git.kernel.org/stable/c/4ec26cb7984740941892ad21fa974963c198bfaa"},{"url":"https://git.kernel.org/stable/c/b62a264163ca51bee04785c581344751812395df"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:24:50.943Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.18.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"7.2.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}