{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38530","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T04:51:24.023Z","datePublished":"2025-08-16T11:12:23.368Z","dateUpdated":"2026-05-11T21:29:48.482Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:29:48.482Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncomedi: pcl812: Fix bit shift out of bounds\n\nWhen checking for a supported IRQ number, the following test is used:\n\n\tif ((1 << it->options[1]) & board->irq_bits) {\n\nHowever, `it->options[i]` is an unchecked `int` value from userspace, so\nthe shift amount could be negative or out of bounds.  Fix the test by\nrequiring `it->options[1]` to be within bounds before proceeding with\nthe original test.  Valid `it->options[1]` values that select the IRQ\nwill be in the range [1,15]. The value 0 explicitly disables the use of\ninterrupts."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/comedi/drivers/pcl812.c"],"versions":[{"version":"fcdb427bc7cf5e9e5d7280cf09c08dec49b49432","lessThan":"374d9b3eb4b08407997ef1fce96119d31e0c0bc4","status":"affected","versionType":"git"},{"version":"fcdb427bc7cf5e9e5d7280cf09c08dec49b49432","lessThan":"0489c30d080f07cc7f09d04de723d8c2ccdb61ef","status":"affected","versionType":"git"},{"version":"fcdb427bc7cf5e9e5d7280cf09c08dec49b49432","lessThan":"29ef03e5b84431171d6b77b822985b54bc44b793","status":"affected","versionType":"git"},{"version":"fcdb427bc7cf5e9e5d7280cf09c08dec49b49432","lessThan":"5bfa301e1e59a9b1a7b62a800b54852337c97416","status":"affected","versionType":"git"},{"version":"fcdb427bc7cf5e9e5d7280cf09c08dec49b49432","lessThan":"7e470d8efd10725b189ca8951973a8425932398a","status":"affected","versionType":"git"},{"version":"fcdb427bc7cf5e9e5d7280cf09c08dec49b49432","lessThan":"a27e27eee313fe1c450b6af1e80e64412546cab4","status":"affected","versionType":"git"},{"version":"fcdb427bc7cf5e9e5d7280cf09c08dec49b49432","lessThan":"16c173abee315953fd17a279352fec4a1faee862","status":"affected","versionType":"git"},{"version":"fcdb427bc7cf5e9e5d7280cf09c08dec49b49432","lessThan":"b14b076ce593f72585412fc7fd3747e03a5e3632","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/comedi/drivers/pcl812.c"],"versions":[{"version":"2.6.30","status":"affected"},{"version":"0","lessThan":"2.6.30","status":"unaffected","versionType":"semver"},{"version":"5.4.297","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.241","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.190","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.147","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.100","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.40","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.15.8","lessThanOrEqual":"6.15.*","status":"unaffected","versionType":"semver"},{"version":"6.16","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"5.4.297"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"5.10.241"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"5.15.190"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"6.1.147"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"6.6.100"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"6.12.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"6.15.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.30","versionEndExcluding":"6.16"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/374d9b3eb4b08407997ef1fce96119d31e0c0bc4"},{"url":"https://git.kernel.org/stable/c/0489c30d080f07cc7f09d04de723d8c2ccdb61ef"},{"url":"https://git.kernel.org/stable/c/29ef03e5b84431171d6b77b822985b54bc44b793"},{"url":"https://git.kernel.org/stable/c/5bfa301e1e59a9b1a7b62a800b54852337c97416"},{"url":"https://git.kernel.org/stable/c/7e470d8efd10725b189ca8951973a8425932398a"},{"url":"https://git.kernel.org/stable/c/a27e27eee313fe1c450b6af1e80e64412546cab4"},{"url":"https://git.kernel.org/stable/c/16c173abee315953fd17a279352fec4a1faee862"},{"url":"https://git.kernel.org/stable/c/b14b076ce593f72585412fc7fd3747e03a5e3632"}],"title":"comedi: pcl812: Fix bit shift out of bounds","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T17:39:28.671Z"}}]}}