{"id":"CVE-2026-93249","state":"PUBLISHED","title":"spi: amlogic-spisg: Make sure clk_init_data is fully initialized","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nspi: amlogic-spisg: Make sure clk_init_data is fully initialized\n\nThe clk_init_data structure contains several mutually-exclusive members\nfor different methods to specify the possible parents of a clock,\nprompting drivers to initialize only the members they need.  However,\nnot initializing all members may cause subtle issues, which are only\nexposed when CONFIG_INIT_STACK_ALL_PATTERN or CONFIG_INIT_STACK_NONE is\nenabled.\n\naml_spisg_clk_init() fills in init.parent_data, and assumes that\ninit.parent_names is NULL.  However, the latter in uninitialized, and\nthus may cause a crash.\n\nMake sure all members are fully initialized, to fix such bugs, and to\navoid future breakage when converting drivers to a different method for\nspecifying the parents.","publishedAt":"2026-09-24T15:51:14.111Z","updatedAt":"2026-10-19T09:08:02.994Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cef9991e04aed3305c61c392e880f6e01a0c2ea4","status":"affected","lessThan":"bfce0f324efaa605e606cbb3f0bdb8fe5c910c11","versionType":"git"},{"version":"cef9991e04aed3305c61c392e880f6e01a0c2ea4","status":"affected","lessThan":"5969a3df8361a0e20379a308c2313d3e263123de","versionType":"git"},{"version":"cef9991e04aed3305c61c392e880f6e01a0c2ea4","status":"affected","lessThan":"b2702908ee23ef31bfcf241a2e07ace0eb76bd71","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/spi/spi-amlogic-spisg.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/spi/spi-amlogic-spisg.c"]}],"references":["https://git.kernel.org/stable/c/bfce0f324efaa605e606cbb3f0bdb8fe5c910c11","https://git.kernel.org/stable/c/5969a3df8361a0e20379a308c2313d3e263123de","https://git.kernel.org/stable/c/b2702908ee23ef31bfcf241a2e07ace0eb76bd71"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93249.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93249","state":"PUBLISHED","datePublished":"2026-09-24T15:51:14.111Z","dateUpdated":"2026-10-19T09:08:02.994Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-17T16:02:15.096Z"},"containers":{"cna":{"title":"spi: amlogic-spisg: Make sure clk_init_data is fully initialized","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nspi: amlogic-spisg: Make sure clk_init_data is fully initialized\n\nThe clk_init_data structure contains several mutually-exclusive members\nfor different methods to specify the possible parents of a clock,\nprompting drivers to initialize only the members they need.  However,\nnot initializing all members may cause subtle issues, which are only\nexposed when CONFIG_INIT_STACK_ALL_PATTERN or CONFIG_INIT_STACK_NONE is\nenabled.\n\naml_spisg_clk_init() fills in init.parent_data, and assumes that\ninit.parent_names is NULL.  However, the latter in uninitialized, and\nthus may cause a crash.\n\nMake sure all members are fully initialized, to fix such bugs, and to\navoid future breakage when converting drivers to a different method for\nspecifying the parents."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cef9991e04aed3305c61c392e880f6e01a0c2ea4","status":"affected","lessThan":"bfce0f324efaa605e606cbb3f0bdb8fe5c910c11","versionType":"git"},{"version":"cef9991e04aed3305c61c392e880f6e01a0c2ea4","status":"affected","lessThan":"5969a3df8361a0e20379a308c2313d3e263123de","versionType":"git"},{"version":"cef9991e04aed3305c61c392e880f6e01a0c2ea4","status":"affected","lessThan":"b2702908ee23ef31bfcf241a2e07ace0eb76bd71","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/spi/spi-amlogic-spisg.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/spi/spi-amlogic-spisg.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/bfce0f324efaa605e606cbb3f0bdb8fe5c910c11"},{"url":"https://git.kernel.org/stable/c/5969a3df8361a0e20379a308c2313d3e263123de"},{"url":"https://git.kernel.org/stable/c/b2702908ee23ef31bfcf241a2e07ace0eb76bd71"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:08:02.994Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}