{"id":"CVE-2025-38482","state":"PUBLISHED","title":"comedi: das6402: Fix bit shift out of bounds","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncomedi: das6402: Fix bit shift out of bounds\n\nWhen checking for a supported IRQ number, the following test is used:\n\n\t/* IRQs 2,3,5,6,7, 10,11,15 are valid for \"enhanced\" mode */\n\tif ((1 << it->options[1]) & 0x8cec) {\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.","publishedAt":"2025-07-28T11:21:47.026Z","updatedAt":"2026-05-11T21:28:51.974Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"79e5e6addbb18bf56075f0ff552094a28636dd03","status":"affected","lessThan":"a15e9c175f783298c4ee48146be6841335400406","versionType":"git"},{"version":"79e5e6addbb18bf56075f0ff552094a28636dd03","status":"affected","lessThan":"de8da1063cce9234d55c8270d9bdf4cf84411c80","versionType":"git"},{"version":"79e5e6addbb18bf56075f0ff552094a28636dd03","status":"affected","lessThan":"73f34d609397805c20d6b2ef5c07a4cbf7c4d63a","versionType":"git"},{"version":"79e5e6addbb18bf56075f0ff552094a28636dd03","status":"affected","lessThan":"a18a42e77545afcacd6a2b8d9fc16191b87454df","versionType":"git"},{"version":"79e5e6addbb18bf56075f0ff552094a28636dd03","status":"affected","lessThan":"8a3637027ceeba4ca5e500b23cb7d24c25592513","versionType":"git"},{"version":"79e5e6addbb18bf56075f0ff552094a28636dd03","status":"affected","lessThan":"3eab654f5d199ecd45403c6588cda63e491fcfca","versionType":"git"},{"version":"79e5e6addbb18bf56075f0ff552094a28636dd03","status":"affected","lessThan":"4a3c18cde02e35aba87e0ad5672b3e1c72dda5a4","versionType":"git"},{"version":"79e5e6addbb18bf56075f0ff552094a28636dd03","status":"affected","lessThan":"70f2b28b5243df557f51c054c20058ae207baaac","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/comedi/drivers/das6402.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.15","versionType":"semver"},{"version":"5.4.297","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.241","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.190","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.147","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.100","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.40","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.8","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/comedi/drivers/das6402.c"]}],"references":["https://git.kernel.org/stable/c/a15e9c175f783298c4ee48146be6841335400406","https://git.kernel.org/stable/c/de8da1063cce9234d55c8270d9bdf4cf84411c80","https://git.kernel.org/stable/c/73f34d609397805c20d6b2ef5c07a4cbf7c4d63a","https://git.kernel.org/stable/c/a18a42e77545afcacd6a2b8d9fc16191b87454df","https://git.kernel.org/stable/c/8a3637027ceeba4ca5e500b23cb7d24c25592513","https://git.kernel.org/stable/c/3eab654f5d199ecd45403c6588cda63e491fcfca","https://git.kernel.org/stable/c/4a3c18cde02e35aba87e0ad5672b3e1c72dda5a4","https://git.kernel.org/stable/c/70f2b28b5243df557f51c054c20058ae207baaac","https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html","https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/38xxx/CVE-2025-38482.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38482","state":"PUBLISHED","datePublished":"2025-07-28T11:21:47.026Z","dateUpdated":"2026-05-11T21:28:51.974Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:24.021Z"},"containers":{"cna":{"title":"comedi: das6402: Fix bit shift out of bounds","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncomedi: das6402: Fix bit shift out of bounds\n\nWhen checking for a supported IRQ number, the following test is used:\n\n\t/* IRQs 2,3,5,6,7, 10,11,15 are valid for \"enhanced\" mode */\n\tif ((1 << it->options[1]) & 0x8cec) {\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":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"79e5e6addbb18bf56075f0ff552094a28636dd03","status":"affected","lessThan":"a15e9c175f783298c4ee48146be6841335400406","versionType":"git"},{"version":"79e5e6addbb18bf56075f0ff552094a28636dd03","status":"affected","lessThan":"de8da1063cce9234d55c8270d9bdf4cf84411c80","versionType":"git"},{"version":"79e5e6addbb18bf56075f0ff552094a28636dd03","status":"affected","lessThan":"73f34d609397805c20d6b2ef5c07a4cbf7c4d63a","versionType":"git"},{"version":"79e5e6addbb18bf56075f0ff552094a28636dd03","status":"affected","lessThan":"a18a42e77545afcacd6a2b8d9fc16191b87454df","versionType":"git"},{"version":"79e5e6addbb18bf56075f0ff552094a28636dd03","status":"affected","lessThan":"8a3637027ceeba4ca5e500b23cb7d24c25592513","versionType":"git"},{"version":"79e5e6addbb18bf56075f0ff552094a28636dd03","status":"affected","lessThan":"3eab654f5d199ecd45403c6588cda63e491fcfca","versionType":"git"},{"version":"79e5e6addbb18bf56075f0ff552094a28636dd03","status":"affected","lessThan":"4a3c18cde02e35aba87e0ad5672b3e1c72dda5a4","versionType":"git"},{"version":"79e5e6addbb18bf56075f0ff552094a28636dd03","status":"affected","lessThan":"70f2b28b5243df557f51c054c20058ae207baaac","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/comedi/drivers/das6402.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.15","versionType":"semver"},{"version":"5.4.297","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.241","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.190","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.147","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.100","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.40","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.8","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/comedi/drivers/das6402.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/a15e9c175f783298c4ee48146be6841335400406"},{"url":"https://git.kernel.org/stable/c/de8da1063cce9234d55c8270d9bdf4cf84411c80"},{"url":"https://git.kernel.org/stable/c/73f34d609397805c20d6b2ef5c07a4cbf7c4d63a"},{"url":"https://git.kernel.org/stable/c/a18a42e77545afcacd6a2b8d9fc16191b87454df"},{"url":"https://git.kernel.org/stable/c/8a3637027ceeba4ca5e500b23cb7d24c25592513"},{"url":"https://git.kernel.org/stable/c/3eab654f5d199ecd45403c6588cda63e491fcfca"},{"url":"https://git.kernel.org/stable/c/4a3c18cde02e35aba87e0ad5672b3e1c72dda5a4"},{"url":"https://git.kernel.org/stable/c/70f2b28b5243df557f51c054c20058ae207baaac"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:28:51.974Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"5.4.297"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"5.10.241"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"5.15.190"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"6.1.147"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"6.6.100"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"6.12.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"6.15.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"6.16"}]}]}],"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":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T17:38:52.280Z"}}]}}}