{"id":"CVE-2026-99146","state":"PUBLISHED","title":"drm/i915/dmc: Add sanity check for DMC load address","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915/dmc: Add sanity check for DMC load address\n\nFor DMC firmware header version 3, the firmware load address is stored\nin dmc_info->start_mmioaddr and later used by dmc_load_program().\n\nUnlike the MMIO address table, the firmware load address is not\nvalidated. Add a sanity check to ensure it is within the valid range.\n\nBSpec: 69671, 68378\n(cherry picked from commit 5e47ee5c76ca9becde8df4ad5202845b7ffcbc4c)","publishedAt":"2026-10-28T10:35:02.847Z","updatedAt":"2026-10-28T10:35:02.847Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3d5928a168a9546b23c6b3439c6158d7a028326c","status":"affected","lessThan":"ef82b4d5cb4a3fe77c7f99008d78b8c64709e258","versionType":"git"},{"version":"3d5928a168a9546b23c6b3439c6158d7a028326c","status":"affected","lessThan":"2fbd099b4e7c8c4ff70033c5bb950cdbb20838e2","versionType":"git"},{"version":"3d5928a168a9546b23c6b3439c6158d7a028326c","status":"affected","lessThan":"7dedc5bb11f95e96fe80757c924d8d9aa7327759","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/i915/display/intel_dmc.c","drivers/gpu/drm/i915/display/intel_dmc_regs.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"6.18.59","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.13","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/i915/display/intel_dmc.c","drivers/gpu/drm/i915/display/intel_dmc_regs.h"]}],"references":["https://git.kernel.org/stable/c/ef82b4d5cb4a3fe77c7f99008d78b8c64709e258","https://git.kernel.org/stable/c/2fbd099b4e7c8c4ff70033c5bb950cdbb20838e2","https://git.kernel.org/stable/c/7dedc5bb11f95e96fe80757c924d8d9aa7327759"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/99xxx/CVE-2026-99146.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-99146","state":"PUBLISHED","datePublished":"2026-10-28T10:35:02.847Z","dateUpdated":"2026-10-28T10:35:02.847Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.396Z"},"containers":{"cna":{"title":"drm/i915/dmc: Add sanity check for DMC load address","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915/dmc: Add sanity check for DMC load address\n\nFor DMC firmware header version 3, the firmware load address is stored\nin dmc_info->start_mmioaddr and later used by dmc_load_program().\n\nUnlike the MMIO address table, the firmware load address is not\nvalidated. Add a sanity check to ensure it is within the valid range.\n\nBSpec: 69671, 68378\n(cherry picked from commit 5e47ee5c76ca9becde8df4ad5202845b7ffcbc4c)"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3d5928a168a9546b23c6b3439c6158d7a028326c","status":"affected","lessThan":"ef82b4d5cb4a3fe77c7f99008d78b8c64709e258","versionType":"git"},{"version":"3d5928a168a9546b23c6b3439c6158d7a028326c","status":"affected","lessThan":"2fbd099b4e7c8c4ff70033c5bb950cdbb20838e2","versionType":"git"},{"version":"3d5928a168a9546b23c6b3439c6158d7a028326c","status":"affected","lessThan":"7dedc5bb11f95e96fe80757c924d8d9aa7327759","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/i915/display/intel_dmc.c","drivers/gpu/drm/i915/display/intel_dmc_regs.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"6.18.59","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.13","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/i915/display/intel_dmc.c","drivers/gpu/drm/i915/display/intel_dmc_regs.h"]}],"references":[{"url":"https://git.kernel.org/stable/c/ef82b4d5cb4a3fe77c7f99008d78b8c64709e258"},{"url":"https://git.kernel.org/stable/c/2fbd099b4e7c8c4ff70033c5bb950cdbb20838e2"},{"url":"https://git.kernel.org/stable/c/7dedc5bb11f95e96fe80757c924d8d9aa7327759"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-28T10:35:02.847Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.18.59"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"7.2.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}