{"id":"CVE-2022-49478","state":"PUBLISHED","title":"media: pvrusb2: fix array-index-out-of-bounds in pvr2_i2c_core_init","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: pvrusb2: fix array-index-out-of-bounds in pvr2_i2c_core_init\n\nSyzbot reported that -1 is used as array index. The problem was in\nmissing validation check.\n\nhdw->unit_number is initialized with -1 and then if init table walk fails\nthis value remains unchanged. Since code blindly uses this member for\narray indexing adding sanity check is the easiest fix for that.\n\nhdw->workpoll initialization moved upper to prevent warning in\n__flush_work.","publishedAt":"2025-02-26T02:13:19.330Z","updatedAt":"2026-05-11T19:00:40.240Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"4351bfe36aba9fa7dc9d68d498d25d41a0f45e67","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"2e004fe914b243db41fa96f9e583385f360ea58e","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"a3660e06675bccec4bf149c7229ea1d491ba10d7","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"1310fc3538dcc375a2f46ef0a438512c2ca32827","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"a3304766d9384886e6d3092c776273526947a2e9","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"3309c2c574e13b21b44729f5bdbf21f60189b79a","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"f99a8b1ec0eddc2931aeaa4f490277a15b39f511","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"24e807541e4a9263ed928e6ae3498de3ad43bd1e","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"471bec68457aaf981add77b4f590d65dd7da1059","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/pvrusb2/pvrusb2-hdw.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.18","versionType":"semver"},{"version":"4.9.318","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.283","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.247","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.198","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.121","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.46","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","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/pvrusb2/pvrusb2-hdw.c"]}],"references":["https://git.kernel.org/stable/c/4351bfe36aba9fa7dc9d68d498d25d41a0f45e67","https://git.kernel.org/stable/c/2e004fe914b243db41fa96f9e583385f360ea58e","https://git.kernel.org/stable/c/a3660e06675bccec4bf149c7229ea1d491ba10d7","https://git.kernel.org/stable/c/1310fc3538dcc375a2f46ef0a438512c2ca32827","https://git.kernel.org/stable/c/a3304766d9384886e6d3092c776273526947a2e9","https://git.kernel.org/stable/c/3309c2c574e13b21b44729f5bdbf21f60189b79a","https://git.kernel.org/stable/c/f99a8b1ec0eddc2931aeaa4f490277a15b39f511","https://git.kernel.org/stable/c/24e807541e4a9263ed928e6ae3498de3ad43bd1e","https://git.kernel.org/stable/c/471bec68457aaf981add77b4f590d65dd7da1059"],"weaknesses":["CWE-129"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49478.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49478","state":"PUBLISHED","datePublished":"2025-02-26T02:13:19.330Z","dateUpdated":"2026-05-11T19:00:40.240Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:08:31.581Z"},"containers":{"cna":{"title":"media: pvrusb2: fix array-index-out-of-bounds in pvr2_i2c_core_init","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: pvrusb2: fix array-index-out-of-bounds in pvr2_i2c_core_init\n\nSyzbot reported that -1 is used as array index. The problem was in\nmissing validation check.\n\nhdw->unit_number is initialized with -1 and then if init table walk fails\nthis value remains unchanged. Since code blindly uses this member for\narray indexing adding sanity check is the easiest fix for that.\n\nhdw->workpoll initialization moved upper to prevent warning in\n__flush_work."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"4351bfe36aba9fa7dc9d68d498d25d41a0f45e67","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"2e004fe914b243db41fa96f9e583385f360ea58e","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"a3660e06675bccec4bf149c7229ea1d491ba10d7","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"1310fc3538dcc375a2f46ef0a438512c2ca32827","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"a3304766d9384886e6d3092c776273526947a2e9","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"3309c2c574e13b21b44729f5bdbf21f60189b79a","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"f99a8b1ec0eddc2931aeaa4f490277a15b39f511","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"24e807541e4a9263ed928e6ae3498de3ad43bd1e","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"471bec68457aaf981add77b4f590d65dd7da1059","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/pvrusb2/pvrusb2-hdw.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.18","versionType":"semver"},{"version":"4.9.318","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.283","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.247","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.198","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.121","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.46","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","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/pvrusb2/pvrusb2-hdw.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4351bfe36aba9fa7dc9d68d498d25d41a0f45e67"},{"url":"https://git.kernel.org/stable/c/2e004fe914b243db41fa96f9e583385f360ea58e"},{"url":"https://git.kernel.org/stable/c/a3660e06675bccec4bf149c7229ea1d491ba10d7"},{"url":"https://git.kernel.org/stable/c/1310fc3538dcc375a2f46ef0a438512c2ca32827"},{"url":"https://git.kernel.org/stable/c/a3304766d9384886e6d3092c776273526947a2e9"},{"url":"https://git.kernel.org/stable/c/3309c2c574e13b21b44729f5bdbf21f60189b79a"},{"url":"https://git.kernel.org/stable/c/f99a8b1ec0eddc2931aeaa4f490277a15b39f511"},{"url":"https://git.kernel.org/stable/c/24e807541e4a9263ed928e6ae3498de3ad43bd1e"},{"url":"https://git.kernel.org/stable/c/471bec68457aaf981add77b4f590d65dd7da1059"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:00:40.240Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.18","versionEndExcluding":"4.9.318"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.18","versionEndExcluding":"4.14.283"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.18","versionEndExcluding":"4.19.247"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.18","versionEndExcluding":"5.4.198"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.18","versionEndExcluding":"5.10.121"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.18","versionEndExcluding":"5.15.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.18","versionEndExcluding":"5.17.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.18","versionEndExcluding":"5.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.18","versionEndExcluding":"5.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49478","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-10-01T19:39:29.496371Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-129","lang":"en","type":"CWE","description":"CWE-129 Improper Validation of Array Index"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:46:45.541Z"}}]}}}