{"id":"CVE-2026-72432","state":"PUBLISHED","title":"tpm_crb: Check ACPI_COMPANION() against NULL during probe","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntpm_crb: Check ACPI_COMPANION() against NULL during probe\n\nEvery platform driver can be forced to match a device that doesn't match\nits list of device IDs because of device_match_driver_override(), so\nplatform drivers that rely on the existence of a device's ACPI companion\nobject need to verify its presence.\n\nAccordingly, add a requisite ACPI_COMPANION() check against NULL to the\ntpm_crb driver.","publishedAt":"2026-08-15T05:56:47.478Z","updatedAt":"2026-08-17T05:14:32.158Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"48fe2cddc85c7849463bd01ae8b8c6b575ff508b","status":"affected","lessThan":"c041d2be785feb9b5e36331921eadaefbe65349d","versionType":"git"},{"version":"48fe2cddc85c7849463bd01ae8b8c6b575ff508b","status":"affected","lessThan":"ddd33806b8911fa2ef849e8bbbab1e3fcb26adc0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/tpm/tpm_crb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.1","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/tpm/tpm_crb.c"]}],"references":["https://git.kernel.org/stable/c/c041d2be785feb9b5e36331921eadaefbe65349d","https://git.kernel.org/stable/c/ddd33806b8911fa2ef849e8bbbab1e3fcb26adc0"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/72xxx/CVE-2026-72432.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72432","state":"PUBLISHED","datePublished":"2026-08-15T05:56:47.478Z","dateUpdated":"2026-08-17T05:14:32.158Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-09T03:40:39.929Z"},"containers":{"cna":{"title":"tpm_crb: Check ACPI_COMPANION() against NULL during probe","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ntpm_crb: Check ACPI_COMPANION() against NULL during probe\n\nEvery platform driver can be forced to match a device that doesn't match\nits list of device IDs because of device_match_driver_override(), so\nplatform drivers that rely on the existence of a device's ACPI companion\nobject need to verify its presence.\n\nAccordingly, add a requisite ACPI_COMPANION() check against NULL to the\ntpm_crb driver."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"48fe2cddc85c7849463bd01ae8b8c6b575ff508b","status":"affected","lessThan":"c041d2be785feb9b5e36331921eadaefbe65349d","versionType":"git"},{"version":"48fe2cddc85c7849463bd01ae8b8c6b575ff508b","status":"affected","lessThan":"ddd33806b8911fa2ef849e8bbbab1e3fcb26adc0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/tpm/tpm_crb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.1","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/tpm/tpm_crb.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c041d2be785feb9b5e36331921eadaefbe65349d"},{"url":"https://git.kernel.org/stable/c/ddd33806b8911fa2ef849e8bbbab1e3fcb26adc0"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T05:14:32.158Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}