{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50131","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-06-18T10:57:27.418Z","datePublished":"2025-06-18T11:02:56.796Z","dateUpdated":"2026-05-11T19:13:25.473Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:13:25.473Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: mcp2221: prevent a buffer overflow in mcp_smbus_write()\n\nSmatch Warning:\ndrivers/hid/hid-mcp2221.c:388 mcp_smbus_write() error: __memcpy()\n'&mcp->txbuf[5]' too small (59 vs 255)\ndrivers/hid/hid-mcp2221.c:388 mcp_smbus_write() error: __memcpy() 'buf'\ntoo small (34 vs 255)\n\nThe 'len' variable can take a value between 0-255 as it can come from\ndata->block[0] and it is user data. So add an bound check to prevent a\nbuffer overflow in memcpy()."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-mcp2221.c"],"versions":[{"version":"67a95c21463d066060b0f66d65a75d45bb386ffb","lessThan":"66c8e816f2f2ca4a61b406503bd10bad1b35f72f","status":"affected","versionType":"git"},{"version":"67a95c21463d066060b0f66d65a75d45bb386ffb","lessThan":"91443c669d280937968f0aa4edefa741cfe35314","status":"affected","versionType":"git"},{"version":"67a95c21463d066060b0f66d65a75d45bb386ffb","lessThan":"6402116a7b5ec80fa40fd145a80c813019cd555f","status":"affected","versionType":"git"},{"version":"67a95c21463d066060b0f66d65a75d45bb386ffb","lessThan":"3c0f8a59f2cc8841ee6653399a77f4f3e6e9a270","status":"affected","versionType":"git"},{"version":"67a95c21463d066060b0f66d65a75d45bb386ffb","lessThan":"62ac2473553a00229e67bdf3cb023b62cf7f5a9a","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/hid/hid-mcp2221.c"],"versions":[{"version":"5.7","status":"affected"},{"version":"0","lessThan":"5.7","status":"unaffected","versionType":"semver"},{"version":"5.10.137","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.61","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.18.18","lessThanOrEqual":"5.18.*","status":"unaffected","versionType":"semver"},{"version":"5.19.2","lessThanOrEqual":"5.19.*","status":"unaffected","versionType":"semver"},{"version":"6.0","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":"5.10.137"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.15.61"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.18.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.19.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/66c8e816f2f2ca4a61b406503bd10bad1b35f72f"},{"url":"https://git.kernel.org/stable/c/91443c669d280937968f0aa4edefa741cfe35314"},{"url":"https://git.kernel.org/stable/c/6402116a7b5ec80fa40fd145a80c813019cd555f"},{"url":"https://git.kernel.org/stable/c/3c0f8a59f2cc8841ee6653399a77f4f3e6e9a270"},{"url":"https://git.kernel.org/stable/c/62ac2473553a00229e67bdf3cb023b62cf7f5a9a"}],"title":"HID: mcp2221: prevent a buffer overflow in mcp_smbus_write()","x_generator":{"engine":"bippy-1.2.0"}}}}