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CVE-2026-63935

In the Linux kernel, the following vulnerability has been resolved: iio: adc: nxp-sar-adc: fix division by zero in write_raw Add a validation check for the sampling frequency value before using it as a divisor. A user writing zero or a negative value to the sampling_frequency sysfs attribute triggers a division by zero in the kernel. Also prevent unsigned integer underflow when the computed cycle count is smaller than NXP_SAR_ADC_CONV_TIME, which would wrap the u32 inpsamp to a huge value.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d091c180f61020754050ef414d49327ccf29102e8ae494d122d68b91401fcdf6
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/adc/nxp-sar-adc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.0"},{"lessThan":"7.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e80c56203bf4a4a9859abc75c66738c444e3525fcc63d42ff890dd1950f033f3 · sha256:02856b0a7cb73dab… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/iio/adc/nxp-sar-adc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"cb6ea15e7d3c7518f806975a06b7d4c0a26402ea","status":"affected","version":"4434072a893e4864519c167947083ff3e4cc2d95","versionType":"git"},{"lessThan":"a9aba21a539c668a66b58eeb08ad3909e5a54c2a","status":"affected","version":"4434072a893e4864519c167947083ff3e4cc2d95","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e80c56203bf4a4a9859abc75c66738c444e3525fcc63d42ff890dd1950f033f3 · sha256:02856b0a7cb73dab… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/iio/adc/nxp-sar-adc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.0"},{"lessThan":"7.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e80c56203bf4a4a9859abc75c66738c444e3525fcc63d42ff890dd1950f033f3 · sha256:02856b0a7cb73dab… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/iio/adc/nxp-sar-adc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"cb6ea15e7d3c7518f806975a06b7d4c0a26402ea","status":"affected","version":"4434072a893e4864519c167947083ff3e4cc2d95","versionType":"git"},{"lessThan":"a9aba21a539c668a66b58eeb08ad3909e5a54c2a","status":"affected","version":"4434072a893e4864519c167947083ff3e4cc2d95","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e80c56203bf4a4a9859abc75c66738c444e3525fcc63d42ff890dd1950f033f3 · sha256:02856b0a7cb73dab… · /containers/cna/affected/0

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/a9aba21a539c668a66b58eeb08ad3909e5a54c2a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e80c56203bf4a4a9859abc75c66738c444e3525fcc63d42ff890dd1950f033f3 · sha256:02856b0a7cb73dab… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/cb6ea15e7d3c7518f806975a06b7d4c0a26402ea"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e80c56203bf4a4a9859abc75c66738c444e3525fcc63d42ff890dd1950f033f3 · sha256:02856b0a7cb73dab… · /containers/cna/references/0

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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