{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46229","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-13T15:03:33.106Z","datePublished":"2026-05-28T09:40:51.300Z","dateUpdated":"2026-11-06T16:13:45.647Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-10-30T12:26:10.964Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Clear VRAM on allocation to prevent stale data exposure\n\nKFD VRAM allocations set AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE\nbut not AMDGPU_GEM_CREATE_VRAM_CLEARED, leaving freshly allocated\nVRAM with stale data from prior use observable by compute kernels.\n\nThe GEM ioctl path already sets VRAM_CLEARED for all userspace\nallocations via amdgpu_gem_create_ioctl() and\namdgpu_mode_dumb_create(). The KFD path was missing this flag,\nallowing stale page table remnants to leak into user buffers.\n\nThis causes crashes in RCCL P2P transport where non-zero data in\nptrExchange/head/tail fields corrupts the protocol handshake."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c"],"versions":[{"version":"6856e4b65f64eeb3f17148f79b36c1d60c627529","lessThan":"6bcf59545c84a5105d14d59f40069ef4c033584e","status":"affected","versionType":"git"},{"version":"6856e4b65f64eeb3f17148f79b36c1d60c627529","lessThan":"1db431380879fd9d28b763a88a0c0431be5be8df","status":"affected","versionType":"git"},{"version":"6856e4b65f64eeb3f17148f79b36c1d60c627529","lessThan":"32b153658f017ad2f5bf8aab479e8d16ac95bc3a","status":"affected","versionType":"git"},{"version":"6856e4b65f64eeb3f17148f79b36c1d60c627529","lessThan":"77d0b5d11387071770246fd0185a69fa28e8e109","status":"affected","versionType":"git"},{"version":"6856e4b65f64eeb3f17148f79b36c1d60c627529","lessThan":"047d44d8d29a6a1a5757256837aa9dd78e3cd0b5","status":"affected","versionType":"git"},{"version":"6856e4b65f64eeb3f17148f79b36c1d60c627529","lessThan":"ad52d61d82181dbdb7f05826de38352d5e550cc2","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c"],"versions":[{"version":"5.4","status":"affected"},{"version":"0","lessThan":"5.4","status":"unaffected","versionType":"semver"},{"version":"6.1.191","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.140","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.90","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.32","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.9","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.6.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.12.90"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.18.32"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"7.0.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/6bcf59545c84a5105d14d59f40069ef4c033584e"},{"url":"https://git.kernel.org/stable/c/1db431380879fd9d28b763a88a0c0431be5be8df"},{"url":"https://git.kernel.org/stable/c/32b153658f017ad2f5bf8aab479e8d16ac95bc3a"},{"url":"https://git.kernel.org/stable/c/77d0b5d11387071770246fd0185a69fa28e8e109"},{"url":"https://git.kernel.org/stable/c/047d44d8d29a6a1a5757256837aa9dd78e3cd0b5"},{"url":"https://git.kernel.org/stable/c/ad52d61d82181dbdb7f05826de38352d5e550cc2"}],"title":"drm/amdkfd: Clear VRAM on allocation to prevent stale data exposure","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-46229","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-11-06T16:12:32.118593Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-11-06T16:13:45.647Z"}}]}}