{"id":"CVE-2021-47526","state":"PUBLISHED","title":"serial: liteuart: Fix NULL pointer dereference in ->remove()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nserial: liteuart: Fix NULL pointer dereference in ->remove()\n\ndrvdata has to be set in _probe() - otherwise platform_get_drvdata()\ncauses null pointer dereference BUG in _remove().","publishedAt":"2024-05-24T15:09:38.024Z","updatedAt":"2026-05-11T13:56:22.193Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da81e5562fac8286567422cc56a7fbd0dc646d4","status":"affected","lessThan":"189c99c629bbf85916c02c153f904649cc0a9d7f","versionType":"git"},{"version":"1da81e5562fac8286567422cc56a7fbd0dc646d4","status":"affected","lessThan":"0f55f89d98c8b3e12b4f55f71c127a173e29557c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/serial/liteuart.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.7","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/serial/liteuart.c"]}],"references":["https://git.kernel.org/stable/c/189c99c629bbf85916c02c153f904649cc0a9d7f","https://git.kernel.org/stable/c/0f55f89d98c8b3e12b4f55f71c127a173e29557c"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:19.404Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/47xxx/CVE-2021-47526.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47526","state":"PUBLISHED","datePublished":"2024-05-24T15:09:38.024Z","dateUpdated":"2026-05-11T13:56:22.193Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-05-24T15:02:54.825Z"},"containers":{"cna":{"title":"serial: liteuart: Fix NULL pointer dereference in ->remove()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nserial: liteuart: Fix NULL pointer dereference in ->remove()\n\ndrvdata has to be set in _probe() - 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