{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50156","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-06-18T10:57:27.425Z","datePublished":"2025-06-18T11:03:13.913Z","dateUpdated":"2026-05-11T19:13:53.452Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:13:53.452Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: cp2112: prevent a buffer overflow in cp2112_xfer()\n\nSmatch warnings:\ndrivers/hid/hid-cp2112.c:793 cp2112_xfer() error: __memcpy()\n'data->block[1]' too small (33 vs 255)\ndrivers/hid/hid-cp2112.c:793 cp2112_xfer() error: __memcpy() 'buf' too\nsmall (64 vs 255)\n\nThe 'read_length' variable is provided by 'data->block[0]' which comes\nfrom user and it(read_length) can take a value between 0-255. Add an\nupper bound to 'read_length' variable to prevent a buffer overflow in\nmemcpy()."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-cp2112.c"],"versions":[{"version":"542134c0375b5ca2b1d18490c02b8a20bfdd8d74","lessThan":"3af7d60e9a6c17d6d41c4341f8020511887d372d","status":"affected","versionType":"git"},{"version":"542134c0375b5ca2b1d18490c02b8a20bfdd8d74","lessThan":"519ff31a6ddd87aa4905bd9bf3b92e8b88801614","status":"affected","versionType":"git"},{"version":"542134c0375b5ca2b1d18490c02b8a20bfdd8d74","lessThan":"ebda3d6b004bb6127a66a616524a2de152302ca7","status":"affected","versionType":"git"},{"version":"542134c0375b5ca2b1d18490c02b8a20bfdd8d74","lessThan":"8489a20ac481b08c0391608d81ed3796d373cfdf","status":"affected","versionType":"git"},{"version":"542134c0375b5ca2b1d18490c02b8a20bfdd8d74","lessThan":"e7028944e61014ae915e7fb74963d3835f2f761a","status":"affected","versionType":"git"},{"version":"542134c0375b5ca2b1d18490c02b8a20bfdd8d74","lessThan":"26e427ac85c2b8d0d108cc80b6de34d33e2780c4","status":"affected","versionType":"git"},{"version":"542134c0375b5ca2b1d18490c02b8a20bfdd8d74","lessThan":"381583845d19cb4bd21c8193449385f3fefa9caf","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-cp2112.c"],"versions":[{"version":"4.15","status":"affected"},{"version":"0","lessThan":"4.15","status":"unaffected","versionType":"semver"},{"version":"4.19.256","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.211","lessThanOrEqual":"5.4.*","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":"4.15","versionEndExcluding":"4.19.256"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.4.211"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.10.137"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.15.61"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.18.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.19.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3af7d60e9a6c17d6d41c4341f8020511887d372d"},{"url":"https://git.kernel.org/stable/c/519ff31a6ddd87aa4905bd9bf3b92e8b88801614"},{"url":"https://git.kernel.org/stable/c/ebda3d6b004bb6127a66a616524a2de152302ca7"},{"url":"https://git.kernel.org/stable/c/8489a20ac481b08c0391608d81ed3796d373cfdf"},{"url":"https://git.kernel.org/stable/c/e7028944e61014ae915e7fb74963d3835f2f761a"},{"url":"https://git.kernel.org/stable/c/26e427ac85c2b8d0d108cc80b6de34d33e2780c4"},{"url":"https://git.kernel.org/stable/c/381583845d19cb4bd21c8193449385f3fefa9caf"}],"title":"HID: cp2112: prevent a buffer overflow in cp2112_xfer()","x_generator":{"engine":"bippy-1.2.0"}}}}