{"api_version":"1","generated_at":"2026-06-25T19:21:50+00:00","cve":"CVE-2026-53143","urls":{"html":"https://cve.report/CVE-2026-53143","api":"https://cve.report/api/cve/CVE-2026-53143.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53143","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53143"},"summary":{"title":"drm/amdkfd: Fix buffer overflow in SDMA queue checkpoint/restore on GFX11","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix buffer overflow in SDMA queue checkpoint/restore on GFX11\n\nThe v11 MQD manager incorrectly assigned the CP-compute variants of\ncheckpoint_mqd/restore_mqd for KFD_MQD_TYPE_SDMA queues. These functions\nuse sizeof(struct v11_compute_mqd) (2048 bytes) instead of sizeof(struct\nv11_sdma_mqd) (512 bytes), causing a 1536-byte overflow.\n\nDuring CRIU checkpoint of an SDMA queue on Navi3x:\n- checkpoint_mqd() reads 2048 bytes from a 512-byte SDMA MQD buffer,\n  leaking 1536 bytes of adjacent GTT memory to userspace\n\nDuring CRIU restore:\n- restore_mqd() writes 2048 bytes into a 512-byte SDMA MQD buffer,\n  corrupting 1536 bytes of adjacent GTT memory (often the ring buffer\n  or neighboring MQDs)\n\nThis is a copy-paste regression unique to v11. All other ASIC backends\n(cik, vi, v9, v10, v12) correctly use the SDMA-specific variants.\n\nAdd checkpoint_mqd_sdma() and restore_mqd_sdma() functions that properly\nhandle the smaller v11_sdma_mqd structure, matching the pattern used in\nother MQD managers.\n\n(cherry picked from commit 6fa41db7ffdec97d62433adf03b7b9b759af8c2c)","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-25 09:16:31","updated_at":"2026-06-25 09:16:31"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/2c5b66c9b4057b385566940935ebc32f6e6ebfd2","name":"https://git.kernel.org/stable/c/2c5b66c9b4057b385566940935ebc32f6e6ebfd2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/352ea59028ea48a6fff77f19ae28f98f71946a80","name":"https://git.kernel.org/stable/c/352ea59028ea48a6fff77f19ae28f98f71946a80","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/16dad1fb0d783a4008de30e32d0038c393de05b1","name":"https://git.kernel.org/stable/c/16dad1fb0d783a4008de30e32d0038c393de05b1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d3efcadfe3eea5b4263b8f2d4463b15c9fc46a64","name":"https://git.kernel.org/stable/c/d3efcadfe3eea5b4263b8f2d4463b15c9fc46a64","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d02f05d30f35b036f7cbaf72de634affb5b38ec6","name":"https://git.kernel.org/stable/c/d02f05d30f35b036f7cbaf72de634affb5b38ec6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53143","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53143","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cc009e613de6560eb499f8bc92c80a737752cb30 16dad1fb0d783a4008de30e32d0038c393de05b1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cc009e613de6560eb499f8bc92c80a737752cb30 2c5b66c9b4057b385566940935ebc32f6e6ebfd2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cc009e613de6560eb499f8bc92c80a737752cb30 d3efcadfe3eea5b4263b8f2d4463b15c9fc46a64 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cc009e613de6560eb499f8bc92c80a737752cb30 d02f05d30f35b036f7cbaf72de634affb5b38ec6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cc009e613de6560eb499f8bc92c80a737752cb30 352ea59028ea48a6fff77f19ae28f98f71946a80 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.19","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.19 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.143 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.94 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.36 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.13 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v11.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"16dad1fb0d783a4008de30e32d0038c393de05b1","status":"affected","version":"cc009e613de6560eb499f8bc92c80a737752cb30","versionType":"git"},{"lessThan":"2c5b66c9b4057b385566940935ebc32f6e6ebfd2","status":"affected","version":"cc009e613de6560eb499f8bc92c80a737752cb30","versionType":"git"},{"lessThan":"d3efcadfe3eea5b4263b8f2d4463b15c9fc46a64","status":"affected","version":"cc009e613de6560eb499f8bc92c80a737752cb30","versionType":"git"},{"lessThan":"d02f05d30f35b036f7cbaf72de634affb5b38ec6","status":"affected","version":"cc009e613de6560eb499f8bc92c80a737752cb30","versionType":"git"},{"lessThan":"352ea59028ea48a6fff77f19ae28f98f71946a80","status":"affected","version":"cc009e613de6560eb499f8bc92c80a737752cb30","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v11.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.19"},{"lessThan":"5.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.143","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.94","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.36","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.143","versionStartIncluding":"5.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.94","versionStartIncluding":"5.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.36","versionStartIncluding":"5.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.13","versionStartIncluding":"5.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"5.19","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix buffer overflow in SDMA queue checkpoint/restore on GFX11\n\nThe v11 MQD manager incorrectly assigned the CP-compute variants of\ncheckpoint_mqd/restore_mqd for KFD_MQD_TYPE_SDMA queues. These functions\nuse sizeof(struct v11_compute_mqd) (2048 bytes) instead of sizeof(struct\nv11_sdma_mqd) (512 bytes), causing a 1536-byte overflow.\n\nDuring CRIU checkpoint of an SDMA queue on Navi3x:\n- checkpoint_mqd() reads 2048 bytes from a 512-byte SDMA MQD buffer,\n  leaking 1536 bytes of adjacent GTT memory to userspace\n\nDuring CRIU restore:\n- restore_mqd() writes 2048 bytes into a 512-byte SDMA MQD buffer,\n  corrupting 1536 bytes of adjacent GTT memory (often the ring buffer\n  or neighboring MQDs)\n\nThis is a copy-paste regression unique to v11. All other ASIC backends\n(cik, vi, v9, v10, v12) correctly use the SDMA-specific variants.\n\nAdd checkpoint_mqd_sdma() and restore_mqd_sdma() functions that properly\nhandle the smaller v11_sdma_mqd structure, matching the pattern used in\nother MQD managers.\n\n(cherry picked from commit 6fa41db7ffdec97d62433adf03b7b9b759af8c2c)"}],"providerMetadata":{"dateUpdated":"2026-06-25T08:38:30.901Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/16dad1fb0d783a4008de30e32d0038c393de05b1"},{"url":"https://git.kernel.org/stable/c/2c5b66c9b4057b385566940935ebc32f6e6ebfd2"},{"url":"https://git.kernel.org/stable/c/d3efcadfe3eea5b4263b8f2d4463b15c9fc46a64"},{"url":"https://git.kernel.org/stable/c/d02f05d30f35b036f7cbaf72de634affb5b38ec6"},{"url":"https://git.kernel.org/stable/c/352ea59028ea48a6fff77f19ae28f98f71946a80"}],"title":"drm/amdkfd: Fix buffer overflow in SDMA queue checkpoint/restore on GFX11","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53143","datePublished":"2026-06-25T08:38:30.901Z","dateReserved":"2026-06-09T07:44:35.387Z","dateUpdated":"2026-06-25T08:38:30.901Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-25 09:16:31","lastModifiedDate":"2026-06-25 09:16:31","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53143","Ordinal":"1","Title":"drm/amdkfd: Fix buffer overflow in SDMA queue checkpoint/restore","CVE":"CVE-2026-53143","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53143","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix buffer overflow in SDMA queue checkpoint/restore on GFX11\n\nThe v11 MQD manager incorrectly assigned the CP-compute variants of\ncheckpoint_mqd/restore_mqd for KFD_MQD_TYPE_SDMA queues. These functions\nuse sizeof(struct v11_compute_mqd) (2048 bytes) instead of sizeof(struct\nv11_sdma_mqd) (512 bytes), causing a 1536-byte overflow.\n\nDuring CRIU checkpoint of an SDMA queue on Navi3x:\n- checkpoint_mqd() reads 2048 bytes from a 512-byte SDMA MQD buffer,\n  leaking 1536 bytes of adjacent GTT memory to userspace\n\nDuring CRIU restore:\n- restore_mqd() writes 2048 bytes into a 512-byte SDMA MQD buffer,\n  corrupting 1536 bytes of adjacent GTT memory (often the ring buffer\n  or neighboring MQDs)\n\nThis is a copy-paste regression unique to v11. All other ASIC backends\n(cik, vi, v9, v10, v12) correctly use the SDMA-specific variants.\n\nAdd checkpoint_mqd_sdma() and restore_mqd_sdma() functions that properly\nhandle the smaller v11_sdma_mqd structure, matching the pattern used in\nother MQD managers.\n\n(cherry picked from commit 6fa41db7ffdec97d62433adf03b7b9b759af8c2c)","Type":"Description","Title":"drm/amdkfd: Fix buffer overflow in SDMA queue checkpoint/restore"}]}}}