{"id":"CVE-2026-89977","state":"PUBLISHED","title":"accel/ethosu: check MMIO mapping errors in probe","description":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/ethosu: check MMIO mapping errors in probe\n\ndevm_platform_ioremap_resource() returns an error pointer when the register\nresource cannot be mapped. ethosu_probe() stores it and continues until\ninitialization dereferences it through MMIO accessors.\n\nReturn the mapping error before initializing the device.","publishedAt":"2026-09-16T10:32:55.212Z","updatedAt":"2026-10-19T08:55:52.061Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b","status":"affected","lessThan":"f7aad73b481194e3f0efba9688e9a5914bbd036b","versionType":"git"},{"version":"5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b","status":"affected","lessThan":"7ab64476a610fe65858fdc37c7a30caa13e334ac","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/accel/ethosu/ethosu_drv.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.19","versionType":"semver"},{"version":"7.2.5","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/accel/ethosu/ethosu_drv.c"]}],"references":["https://git.kernel.org/stable/c/f7aad73b481194e3f0efba9688e9a5914bbd036b","https://git.kernel.org/stable/c/7ab64476a610fe65858fdc37c7a30caa13e334ac"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/89xxx/CVE-2026-89977.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89977","state":"PUBLISHED","datePublished":"2026-09-16T10:32:55.212Z","dateUpdated":"2026-10-19T08:55:52.061Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.779Z"},"containers":{"cna":{"title":"accel/ethosu: check MMIO mapping errors in probe","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/ethosu: check MMIO mapping errors in probe\n\ndevm_platform_ioremap_resource() returns an error pointer when the register\nresource cannot be mapped. ethosu_probe() stores it and continues until\ninitialization dereferences it through MMIO accessors.\n\nReturn the mapping error before initializing the device."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b","status":"affected","lessThan":"f7aad73b481194e3f0efba9688e9a5914bbd036b","versionType":"git"},{"version":"5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b","status":"affected","lessThan":"7ab64476a610fe65858fdc37c7a30caa13e334ac","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/accel/ethosu/ethosu_drv.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.19","versionType":"semver"},{"version":"7.2.5","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/accel/ethosu/ethosu_drv.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f7aad73b481194e3f0efba9688e9a5914bbd036b"},{"url":"https://git.kernel.org/stable/c/7ab64476a610fe65858fdc37c7a30caa13e334ac"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:55:52.061Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"7.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}