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CVE-2026-63931

In the Linux kernel, the following vulnerability has been resolved: iio: chemical: scd30: fix division by zero in write_raw Add a zero check for val2 before using it as a divisor when setting the sampling frequency. A user writing a zero fractional part to the sampling_frequency sysfs attribute triggers a division by zero in the kernel.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4fad083f3cd105300701a9a2b40526a070a30119fb25e3e12bf7c3a6d4495988
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/iio/chemical/scd30_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.9"},{"lessThan":"5.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"}…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:00db2432c4db27cd0e482ac831f87eed140de09369a56ac46344dc2eb280ace4 · sha256:4e87ea3a15b6db1e… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/iio/chemical/scd30_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4748bce423a363bb8a85a624faeb8f54fe331611","status":"affected","version":"64b3d8b1b0f5c16c19045785e4da8391ae35ec99","versionType":"git"},{"lessThan":"6308b812acdcac38cbfe1af0b1524c3375f408a5","status":"affected","version":"64b3d8b1b0f5c16c19045785e4da8391ae35ec99","versionType":"git"},{"lessThan":"c7a740bf75554b051fabb17596ca6e483d6e6d90","status":"affected","version":"64b3d8b1b0f5…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:00db2432c4db27cd0e482ac831f87eed140de09369a56ac46344dc2eb280ace4 · sha256:4e87ea3a15b6db1e… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/iio/chemical/scd30_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.9"},{"lessThan":"5.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"}…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:00db2432c4db27cd0e482ac831f87eed140de09369a56ac46344dc2eb280ace4 · sha256:4e87ea3a15b6db1e… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/iio/chemical/scd30_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4748bce423a363bb8a85a624faeb8f54fe331611","status":"affected","version":"64b3d8b1b0f5c16c19045785e4da8391ae35ec99","versionType":"git"},{"lessThan":"6308b812acdcac38cbfe1af0b1524c3375f408a5","status":"affected","version":"64b3d8b1b0f5c16c19045785e4da8391ae35ec99","versionType":"git"},{"lessThan":"c7a740bf75554b051fabb17596ca6e483d6e6d90","status":"affected","version":"64b3d8b1b0f5…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:00db2432c4db27cd0e482ac831f87eed140de09369a56ac46344dc2eb280ace4 · sha256:4e87ea3a15b6db1e… · /containers/cna/affected/0

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/2c50c017df97bfb425038efdfb8514c7bcd08564"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:00db2432c4db27cd0e482ac831f87eed140de09369a56ac46344dc2eb280ace4 · sha256:4e87ea3a15b6db1e… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/4748bce423a363bb8a85a624faeb8f54fe331611"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:00db2432c4db27cd0e482ac831f87eed140de09369a56ac46344dc2eb280ace4 · sha256:4e87ea3a15b6db1e… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/5aba4f94b225617a55fed442a70329b2ee19c0a5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:00db2432c4db27cd0e482ac831f87eed140de09369a56ac46344dc2eb280ace4 · sha256:4e87ea3a15b6db1e… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/5e4d34092a5ebfbc3a45a180c76ecb1cdbbedd53"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:00db2432c4db27cd0e482ac831f87eed140de09369a56ac46344dc2eb280ace4 · sha256:4e87ea3a15b6db1e… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/6308b812acdcac38cbfe1af0b1524c3375f408a5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:00db2432c4db27cd0e482ac831f87eed140de09369a56ac46344dc2eb280ace4 · sha256:4e87ea3a15b6db1e… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/c7a740bf75554b051fabb17596ca6e483d6e6d90"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:00db2432c4db27cd0e482ac831f87eed140de09369a56ac46344dc2eb280ace4 · sha256:4e87ea3a15b6db1e… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/d98c2e69aab905d1b19a69ffe584efa46a9efd42"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:00db2432c4db27cd0e482ac831f87eed140de09369a56ac46344dc2eb280ace4 · sha256:4e87ea3a15b6db1e… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/e85bc501947f5ae16dd9adc01162b76d55ab7962"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:00db2432c4db27cd0e482ac831f87eed140de09369a56ac46344dc2eb280ace4 · sha256:4e87ea3a15b6db1e… · /containers/cna/references/3

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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