{"cve":{"cve_id":"CVE-2026-53143","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":null,"epss_percentile":null,"epss_as_of":null,"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)","published_at":"2026-06-25T08:38:30.901000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["https://git.kernel.org/stable/c/16dad1fb0d783a4008de30e32d0038c393de05b1","https://git.kernel.org/stable/c/2c5b66c9b4057b385566940935ebc32f6e6ebfd2","https://git.kernel.org/stable/c/d3efcadfe3eea5b4263b8f2d4463b15c9fc46a64","https://git.kernel.org/stable/c/d02f05d30f35b036f7cbaf72de634affb5b38ec6","https://git.kernel.org/stable/c/352ea59028ea48a6fff77f19ae28f98f71946a80"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-28T17:55:28.590503Z","updated_at":"2026-06-28T23:30:50.753831Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"cc009e613de6560eb499f8bc92c80a737752cb30","version_start_inclusive":true,"version_end":"16dad1fb0d783a4008de30e32d0038c393de05b1","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:cc009e613de6560eb499f8bc92c80a737752cb30:16dad1fb0d783a4008de30e32d0038c393de05b1"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"cc009e613de6560eb499f8bc92c80a737752cb30","version_start_inclusive":true,"version_end":"2c5b66c9b4057b385566940935ebc32f6e6ebfd2","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:cc009e613de6560eb499f8bc92c80a737752cb30:2c5b66c9b4057b385566940935ebc32f6e6ebfd2"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"cc009e613de6560eb499f8bc92c80a737752cb30","version_start_inclusive":true,"version_end":"d3efcadfe3eea5b4263b8f2d4463b15c9fc46a64","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:cc009e613de6560eb499f8bc92c80a737752cb30:d3efcadfe3eea5b4263b8f2d4463b15c9fc46a64"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"cc009e613de6560eb499f8bc92c80a737752cb30","version_start_inclusive":true,"version_end":"d02f05d30f35b036f7cbaf72de634affb5b38ec6","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:cc009e613de6560eb499f8bc92c80a737752cb30:d02f05d30f35b036f7cbaf72de634affb5b38ec6"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"cc009e613de6560eb499f8bc92c80a737752cb30","version_start_inclusive":true,"version_end":"352ea59028ea48a6fff77f19ae28f98f71946a80","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:cc009e613de6560eb499f8bc92c80a737752cb30:352ea59028ea48a6fff77f19ae28f98f71946a80"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"5.19","version_start_inclusive":true,"version_end":"5.19","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:5.19:5.19"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"0","version_start_inclusive":true,"version_end":"5.19","version_end_inclusive":false,"cpe23_uri":"cve5:linux:linux:0:5.19"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.6.143","version_start_inclusive":true,"version_end":"6.6.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.6.143:6.6.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.12.94","version_start_inclusive":true,"version_end":"6.12.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.12.94:6.12.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"6.18.36","version_start_inclusive":true,"version_end":"6.18.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:6.18.36:6.18.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.0.13","version_start_inclusive":true,"version_end":"7.0.*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.0.13:7.0.*"},{"vendor_slug":"linux","vendor_name":"Linux","product_slug":"linux","product_name":"Linux","version_start":"7.1","version_start_inclusive":true,"version_end":"*","version_end_inclusive":true,"cpe23_uri":"cve5:linux:linux:7.1:*"}],"exploit_refs":[],"news":[],"references":[{"url":"https://git.kernel.org/stable/c/16dad1fb0d783a4008de30e32d0038c393de05b1","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/2c5b66c9b4057b385566940935ebc32f6e6ebfd2","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/d3efcadfe3eea5b4263b8f2d4463b15c9fc46a64","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/d02f05d30f35b036f7cbaf72de634affb5b38ec6","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/352ea59028ea48a6fff77f19ae28f98f71946a80","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-06-25T08:38:30.901000Z","label":"CVE published","source":null}]}