{"id":"CVE-2026-90122","state":"PUBLISHED","title":"clk: visconti: Make sure clk_init_data is fully initialized","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nclk: visconti: 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\nvisconti_clk_register_gate() 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":"2026-09-17T16:06:25.910Z","updatedAt":"2026-10-19T08:58:20.601Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b4cbe606dc3674b25cb661e7cd1a1c6ddaaafaaa","status":"affected","lessThan":"0e97c22b286e1918c6f48bad7e77fb8240a24b4a","versionType":"git"},{"version":"b4cbe606dc3674b25cb661e7cd1a1c6ddaaafaaa","status":"affected","lessThan":"9f756f1965bad65e6066608f33c36988cd10302a","versionType":"git"},{"version":"b4cbe606dc3674b25cb661e7cd1a1c6ddaaafaaa","status":"affected","lessThan":"1cc0539e5b0906bace15d3fc7347b344a017cc02","versionType":"git"},{"version":"b4cbe606dc3674b25cb661e7cd1a1c6ddaaafaaa","status":"affected","lessThan":"8f7980033e9f7ecaaecd873a0b5bf6b6c87d7e5a","versionType":"git"},{"version":"b4cbe606dc3674b25cb661e7cd1a1c6ddaaafaaa","status":"affected","lessThan":"5ecfa72e74c6e2a765fa5bc1da574e5beae588f2","versionType":"git"},{"version":"b4cbe606dc3674b25cb661e7cd1a1c6ddaaafaaa","status":"affected","lessThan":"39c0e6c844a14945040cca4ccf6997792ab764c4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/clk/visconti/clkc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.17","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","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/clk/visconti/clkc.c"]}],"references":["https://git.kernel.org/stable/c/0e97c22b286e1918c6f48bad7e77fb8240a24b4a","https://git.kernel.org/stable/c/9f756f1965bad65e6066608f33c36988cd10302a","https://git.kernel.org/stable/c/1cc0539e5b0906bace15d3fc7347b344a017cc02","https://git.kernel.org/stable/c/8f7980033e9f7ecaaecd873a0b5bf6b6c87d7e5a","https://git.kernel.org/stable/c/5ecfa72e74c6e2a765fa5bc1da574e5beae588f2","https://git.kernel.org/stable/c/39c0e6c844a14945040cca4ccf6997792ab764c4"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/90xxx/CVE-2026-90122.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90122","state":"PUBLISHED","datePublished":"2026-09-17T16:06:25.910Z","dateUpdated":"2026-10-19T08:58:20.601Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.788Z"},"containers":{"cna":{"title":"clk: visconti: Make sure clk_init_data is fully initialized","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nclk: visconti: 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\nvisconti_clk_register_gate() 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":"b4cbe606dc3674b25cb661e7cd1a1c6ddaaafaaa","status":"affected","lessThan":"0e97c22b286e1918c6f48bad7e77fb8240a24b4a","versionType":"git"},{"version":"b4cbe606dc3674b25cb661e7cd1a1c6ddaaafaaa","status":"affected","lessThan":"9f756f1965bad65e6066608f33c36988cd10302a","versionType":"git"},{"version":"b4cbe606dc3674b25cb661e7cd1a1c6ddaaafaaa","status":"affected","lessThan":"1cc0539e5b0906bace15d3fc7347b344a017cc02","versionType":"git"},{"version":"b4cbe606dc3674b25cb661e7cd1a1c6ddaaafaaa","status":"affected","lessThan":"8f7980033e9f7ecaaecd873a0b5bf6b6c87d7e5a","versionType":"git"},{"version":"b4cbe606dc3674b25cb661e7cd1a1c6ddaaafaaa","status":"affected","lessThan":"5ecfa72e74c6e2a765fa5bc1da574e5beae588f2","versionType":"git"},{"version":"b4cbe606dc3674b25cb661e7cd1a1c6ddaaafaaa","status":"affected","lessThan":"39c0e6c844a14945040cca4ccf6997792ab764c4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/clk/visconti/clkc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.17","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","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/clk/visconti/clkc.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/0e97c22b286e1918c6f48bad7e77fb8240a24b4a"},{"url":"https://git.kernel.org/stable/c/9f756f1965bad65e6066608f33c36988cd10302a"},{"url":"https://git.kernel.org/stable/c/1cc0539e5b0906bace15d3fc7347b344a017cc02"},{"url":"https://git.kernel.org/stable/c/8f7980033e9f7ecaaecd873a0b5bf6b6c87d7e5a"},{"url":"https://git.kernel.org/stable/c/5ecfa72e74c6e2a765fa5bc1da574e5beae588f2"},{"url":"https://git.kernel.org/stable/c/39c0e6c844a14945040cca4ccf6997792ab764c4"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:58:20.601Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}