{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47286","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-21T13:27:52.129Z","datePublished":"2024-05-21T14:34:47.372Z","dateUpdated":"2025-05-04T07:07:54.071Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:07:54.071Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbus: mhi: core: Validate channel ID when processing command completions\n\nMHI reads the channel ID from the event ring element sent by the\ndevice which can be any value between 0 and 255. In order to\nprevent any out of bound accesses, add a check against the maximum\nnumber of channels supported by the controller and those channels\nnot configured yet so as to skip processing of that event ring\nelement."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/bus/mhi/core/main.c"],"versions":[{"version":"1d3173a3bae7039b765a0956e3e4bf846dbaacb8","lessThan":"3efec3b4b16fc7af25676a94230a8ab2a3bb867c","status":"affected","versionType":"git"},{"version":"1d3173a3bae7039b765a0956e3e4bf846dbaacb8","lessThan":"aed4f5b51aba41e2afd7cfda20a0571a6a67dfe9","status":"affected","versionType":"git"},{"version":"1d3173a3bae7039b765a0956e3e4bf846dbaacb8","lessThan":"546362a9ef2ef40b57c6605f14e88ced507f8dd0","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/bus/mhi/core/main.c"],"versions":[{"version":"5.7","status":"affected"},{"version":"0","lessThan":"5.7","status":"unaffected","versionType":"semver"},{"version":"5.10.54","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.13.6","lessThanOrEqual":"5.13.*","status":"unaffected","versionType":"semver"},{"version":"5.14","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":"5.7","versionEndExcluding":"5.10.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.13.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.14"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3efec3b4b16fc7af25676a94230a8ab2a3bb867c"},{"url":"https://git.kernel.org/stable/c/aed4f5b51aba41e2afd7cfda20a0571a6a67dfe9"},{"url":"https://git.kernel.org/stable/c/546362a9ef2ef40b57c6605f14e88ced507f8dd0"}],"title":"bus: mhi: core: Validate channel ID when processing command completions","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-06-12T15:23:31.121673Z","id":"CVE-2021-47286","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-12T15:23:44.666Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:32:08.191Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/3efec3b4b16fc7af25676a94230a8ab2a3bb867c","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/aed4f5b51aba41e2afd7cfda20a0571a6a67dfe9","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/546362a9ef2ef40b57c6605f14e88ced507f8dd0","tags":["x_transferred"]}]}]}}