{"id":"CVE-2023-52764","state":"PUBLISHED","title":"media: gspca: cpia1: shift-out-of-bounds in set_flicker","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: gspca: cpia1: shift-out-of-bounds in set_flicker\n\nSyzkaller reported the following issue:\nUBSAN: shift-out-of-bounds in drivers/media/usb/gspca/cpia1.c:1031:27\nshift exponent 245 is too large for 32-bit type 'int'\n\nWhen the value of the variable \"sd->params.exposure.gain\" exceeds the\nnumber of bits in an integer, a shift-out-of-bounds error is reported. It\nis triggered because the variable \"currentexp\" cannot be left-shifted by\nmore than the number of bits in an integer. In order to avoid invalid\nrange during left-shift, the conditional expression is added.","publishedAt":"2024-05-21T15:30:49.032Z","updatedAt":"2026-05-11T19:32:41.329Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"54e8bc5d64a651e2fb8b2366637e6a7d920a4c70","status":"affected","lessThan":"69bba62600bd91d6b7c1e8ca181faf8ac64f7060","versionType":"git"},{"version":"54e8bc5d64a651e2fb8b2366637e6a7d920a4c70","status":"affected","lessThan":"2eee8edfff90e22980a6b22079d238c3c9d323bb","versionType":"git"},{"version":"54e8bc5d64a651e2fb8b2366637e6a7d920a4c70","status":"affected","lessThan":"8f83c85ee88225319c52680792320c02158c2a9b","versionType":"git"},{"version":"54e8bc5d64a651e2fb8b2366637e6a7d920a4c70","status":"affected","lessThan":"c6b6b8692218da73b33b310d7c1df90f115bdd9a","versionType":"git"},{"version":"54e8bc5d64a651e2fb8b2366637e6a7d920a4c70","status":"affected","lessThan":"09cd8b561aa9796903710a1046957f2b112c8f26","versionType":"git"},{"version":"54e8bc5d64a651e2fb8b2366637e6a7d920a4c70","status":"affected","lessThan":"a647f27a7426d2fe1b40da7c8fa2b81354a51177","versionType":"git"},{"version":"54e8bc5d64a651e2fb8b2366637e6a7d920a4c70","status":"affected","lessThan":"93bddd6529f187f510eec759f37d0569243c9809","versionType":"git"},{"version":"54e8bc5d64a651e2fb8b2366637e6a7d920a4c70","status":"affected","lessThan":"e2d7149b913d14352c82624e723ce1c211ca06d3","versionType":"git"},{"version":"54e8bc5d64a651e2fb8b2366637e6a7d920a4c70","status":"affected","lessThan":"099be1822d1f095433f4b08af9cc9d6308ec1953","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/gspca/cpia1.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.34","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.34","versionType":"semver"},{"version":"4.14.331","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.300","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.262","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.202","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.140","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.64","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.13","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6.3","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/gspca/cpia1.c"]}],"references":["https://git.kernel.org/stable/c/69bba62600bd91d6b7c1e8ca181faf8ac64f7060","https://git.kernel.org/stable/c/2eee8edfff90e22980a6b22079d238c3c9d323bb","https://git.kernel.org/stable/c/8f83c85ee88225319c52680792320c02158c2a9b","https://git.kernel.org/stable/c/c6b6b8692218da73b33b310d7c1df90f115bdd9a","https://git.kernel.org/stable/c/09cd8b561aa9796903710a1046957f2b112c8f26","https://git.kernel.org/stable/c/a647f27a7426d2fe1b40da7c8fa2b81354a51177","https://git.kernel.org/stable/c/93bddd6529f187f510eec759f37d0569243c9809","https://git.kernel.org/stable/c/e2d7149b913d14352c82624e723ce1c211ca06d3","https://git.kernel.org/stable/c/099be1822d1f095433f4b08af9cc9d6308ec1953"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/52xxx/CVE-2023-52764.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52764","state":"PUBLISHED","datePublished":"2024-05-21T15:30:49.032Z","dateUpdated":"2026-05-11T19:32:41.329Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-05-21T15:19:24.238Z"},"containers":{"cna":{"title":"media: gspca: cpia1: shift-out-of-bounds in set_flicker","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: gspca: cpia1: shift-out-of-bounds in set_flicker\n\nSyzkaller reported the following issue:\nUBSAN: shift-out-of-bounds in drivers/media/usb/gspca/cpia1.c:1031:27\nshift exponent 245 is too large for 32-bit type 'int'\n\nWhen the value of the variable \"sd->params.exposure.gain\" exceeds the\nnumber of bits in an integer, a shift-out-of-bounds error is reported. It\nis triggered because the variable \"currentexp\" cannot be left-shifted by\nmore than the number of bits in an integer. In order to avoid invalid\nrange during left-shift, the conditional expression is 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