{"id":"CVE-2026-98179","state":"PUBLISHED","title":"drm/amdgpu: fix rmmio iounmap skipped on device removal","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix rmmio iounmap skipped on device removal\n\namdgpu_pci_remove() calls drm_dev_unplug() before fini_sw(), so\ndrm_dev_enter() is already false there and the iounmap() guarded by it\nis skipped. This .remove path runs on both hot-unplug and plain rmmod,\nso the register BAR ioremap mapping leaks one instance per unload.\n\nUnmap rmmio unconditionally (guard only on non-NULL) and drop the now\nunused idx.\n\n(cherry picked from commit dd6f86a97260e5207d3329ad03aa89fdad61b1e6)","publishedAt":"2026-10-06T08:44:22.410Z","updatedAt":"2026-10-19T09:15:10.578Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"62d5f9f7110ad374db67ab4820f4ff2d916c3cdb","status":"affected","lessThan":"e81502d6791df9ecd003bfb2ca44f0d1f1b38439","versionType":"git"},{"version":"62d5f9f7110ad374db67ab4820f4ff2d916c3cdb","status":"affected","lessThan":"cd55dde2b63789a3dafe982c89844f537501d096","versionType":"git"},{"version":"62d5f9f7110ad374db67ab4820f4ff2d916c3cdb","status":"affected","lessThan":"a645584c3ccc493ee835f77155829442bd7578c3","versionType":"git"},{"version":"62d5f9f7110ad374db67ab4820f4ff2d916c3cdb","status":"affected","lessThan":"5155002b03b24ba3ef91c5c313b8cf0171b24904","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_device.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.17","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","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/gpu/drm/amd/amdgpu/amdgpu_device.c"]}],"references":["https://git.kernel.org/stable/c/e81502d6791df9ecd003bfb2ca44f0d1f1b38439","https://git.kernel.org/stable/c/cd55dde2b63789a3dafe982c89844f537501d096","https://git.kernel.org/stable/c/a645584c3ccc493ee835f77155829442bd7578c3","https://git.kernel.org/stable/c/5155002b03b24ba3ef91c5c313b8cf0171b24904"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98179.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98179","state":"PUBLISHED","datePublished":"2026-10-06T08:44:22.410Z","dateUpdated":"2026-10-19T09:15:10.578Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.322Z"},"containers":{"cna":{"title":"drm/amdgpu: fix rmmio iounmap skipped on device removal","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix rmmio iounmap skipped on device removal\n\namdgpu_pci_remove() calls drm_dev_unplug() before fini_sw(), so\ndrm_dev_enter() is already false there and the iounmap() guarded by it\nis skipped. This .remove path runs on both hot-unplug and plain rmmod,\nso the register BAR ioremap mapping leaks one instance per unload.\n\nUnmap rmmio unconditionally (guard only on non-NULL) and drop the now\nunused idx.\n\n(cherry picked from commit dd6f86a97260e5207d3329ad03aa89fdad61b1e6)"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"62d5f9f7110ad374db67ab4820f4ff2d916c3cdb","status":"affected","lessThan":"e81502d6791df9ecd003bfb2ca44f0d1f1b38439","versionType":"git"},{"version":"62d5f9f7110ad374db67ab4820f4ff2d916c3cdb","status":"affected","lessThan":"cd55dde2b63789a3dafe982c89844f537501d096","versionType":"git"},{"version":"62d5f9f7110ad374db67ab4820f4ff2d916c3cdb","status":"affected","lessThan":"a645584c3ccc493ee835f77155829442bd7578c3","versionType":"git"},{"version":"62d5f9f7110ad374db67ab4820f4ff2d916c3cdb","status":"affected","lessThan":"5155002b03b24ba3ef91c5c313b8cf0171b24904","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_device.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.17","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","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/gpu/drm/amd/amdgpu/amdgpu_device.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e81502d6791df9ecd003bfb2ca44f0d1f1b38439"},{"url":"https://git.kernel.org/stable/c/cd55dde2b63789a3dafe982c89844f537501d096"},{"url":"https://git.kernel.org/stable/c/a645584c3ccc493ee835f77155829442bd7578c3"},{"url":"https://git.kernel.org/stable/c/5155002b03b24ba3ef91c5c313b8cf0171b24904"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:15:10.578Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.18.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"7.2.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}