{"id":"CVE-2024-38637","state":"PUBLISHED","title":"greybus: lights: check return of get_channel_from_mode","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ngreybus: lights: check return of get_channel_from_mode\n\nIf channel for the given node is not found we return null from\nget_channel_from_mode. Make sure we validate the return pointer\nbefore using it in two of the missing places.\n\nThis was originally reported in [0]:\nFound by Linux Verification Center (linuxtesting.org) with SVACE.\n\n[0] https://lore.kernel.org/all/20240301190425.120605-1-m.lobanov@rosalinux.ru","publishedAt":"2024-06-21T10:18:25.560Z","updatedAt":"2026-05-11T20:20:37.830Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2870b52bae4c81823ffcb3ed2b0626fb39d64f48","status":"affected","lessThan":"8f4a76d477f0cc3c54d512f07f6f88c8e1c1e07b","versionType":"git"},{"version":"2870b52bae4c81823ffcb3ed2b0626fb39d64f48","status":"affected","lessThan":"e2c64246e5dc8c0d35ec41770b85e2b4cafdff21","versionType":"git"},{"version":"2870b52bae4c81823ffcb3ed2b0626fb39d64f48","status":"affected","lessThan":"eac10cf3a97ffd4b4deb0a29f57c118225a42850","versionType":"git"},{"version":"2870b52bae4c81823ffcb3ed2b0626fb39d64f48","status":"affected","lessThan":"330f6bcdcef03f70f81db5f2ed6747af656a09f2","versionType":"git"},{"version":"2870b52bae4c81823ffcb3ed2b0626fb39d64f48","status":"affected","lessThan":"9b41a9b9c8be8c552f10633453fdb509e83b66f8","versionType":"git"},{"version":"2870b52bae4c81823ffcb3ed2b0626fb39d64f48","status":"affected","lessThan":"518e2c46b5dbce40b1aa0100001d03c3ceaa7d38","versionType":"git"},{"version":"2870b52bae4c81823ffcb3ed2b0626fb39d64f48","status":"affected","lessThan":"895cdd9aa9546523df839f9cc1488a0ecc1e0731","versionType":"git"},{"version":"2870b52bae4c81823ffcb3ed2b0626fb39d64f48","status":"affected","lessThan":"a1ba19a1ae7cd1e324685ded4ab563e78fe68648","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/staging/greybus/light.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.9","versionType":"semver"},{"version":"4.19.316","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.278","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.219","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.161","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.93","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.33","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.9.4","status":"unaffected","lessThanOrEqual":"6.9.*","versionType":"semver"},{"version":"6.10","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/staging/greybus/light.c"]}],"references":["https://git.kernel.org/stable/c/8f4a76d477f0cc3c54d512f07f6f88c8e1c1e07b","https://git.kernel.org/stable/c/e2c64246e5dc8c0d35ec41770b85e2b4cafdff21","https://git.kernel.org/stable/c/eac10cf3a97ffd4b4deb0a29f57c118225a42850","https://git.kernel.org/stable/c/330f6bcdcef03f70f81db5f2ed6747af656a09f2","https://git.kernel.org/stable/c/9b41a9b9c8be8c552f10633453fdb509e83b66f8","https://git.kernel.org/stable/c/518e2c46b5dbce40b1aa0100001d03c3ceaa7d38","https://git.kernel.org/stable/c/895cdd9aa9546523df839f9cc1488a0ecc1e0731","https://git.kernel.org/stable/c/a1ba19a1ae7cd1e324685ded4ab563e78fe68648","https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:39.287Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/38xxx/CVE-2024-38637.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-38637","state":"PUBLISHED","datePublished":"2024-06-21T10:18:25.560Z","dateUpdated":"2026-05-11T20:20:37.830Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-06-18T19:36:34.948Z"},"containers":{"cna":{"title":"greybus: lights: check return of get_channel_from_mode","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ngreybus: lights: check return of get_channel_from_mode\n\nIf channel for the given node is not found we return null from\nget_channel_from_mode. Make sure we validate the return pointer\nbefore using it in two of the missing places.\n\nThis was originally reported in [0]:\nFound by Linux Verification Center (linuxtesting.org) with SVACE.\n\n[0] 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