{"api_version":"1","generated_at":"2026-08-02T04:43:35+00:00","cve":"CVE-2026-64231","urls":{"html":"https://cve.report/CVE-2026-64231","api":"https://cve.report/api/cve/CVE-2026-64231.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64231","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64231"},"summary":{"title":"drm/msm/dsi: don't dump registers past the mapped region","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/dsi: don't dump registers past the mapped region\n\nOn DSI 6G platforms the IO address space is internally adjusted by\nio_offset. Later this adjusted address might be used for memory dumping.\nHowever the size that is used for memory dumping isn't adjusted to\naccount for the io_offset, leading to the potential access to the\nunmapped region. Lower ctrl_size by the io_offset value to prevent\naccess past the mapped area.\n\n msm_disp_snapshot_add_block+0x1d4/0x3c8 [msm] (P)\n msm_dsi_host_snapshot+0x4c/0x78 [msm]\n msm_dsi_snapshot+0x28/0x50 [msm]\n msm_disp_snapshot_capture_state+0x74/0x140 [msm]\n msm_disp_snapshot_state_sync+0x60/0x90 [msm]\n _msm_disp_snapshot_work+0x30/0x90 [msm]\n kthread_worker_fn+0xdc/0x460\n kthread+0x120/0x140\n\nPatchwork: https://patchwork.freedesktop.org/patch/721747/","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-24 16:16:52","updated_at":"2026-07-30 14:59:47"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/5e2c196c3430fb94225c4102b1028d0146544761","name":"https://git.kernel.org/stable/c/5e2c196c3430fb94225c4102b1028d0146544761","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a184aec790135938b0fadb415e55accd1f8685a0","name":"https://git.kernel.org/stable/c/a184aec790135938b0fadb415e55accd1f8685a0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5b49a46baa853b26dbefa65c6c75dd9ff69f63d4","name":"https://git.kernel.org/stable/c/5b49a46baa853b26dbefa65c6c75dd9ff69f63d4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/567b5e976e2e15280d78c9ef2add1954a0bbb5b1","name":"https://git.kernel.org/stable/c/567b5e976e2e15280d78c9ef2add1954a0bbb5b1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ab871d5882953e5574ae2bc47bec88c2e3d22663","name":"https://git.kernel.org/stable/c/ab871d5882953e5574ae2bc47bec88c2e3d22663","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9f8274749d9010a1a72f97e547b7eb9ebb82345b","name":"https://git.kernel.org/stable/c/9f8274749d9010a1a72f97e547b7eb9ebb82345b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64231","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64231","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645 5e2c196c3430fb94225c4102b1028d0146544761 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645 567b5e976e2e15280d78c9ef2add1954a0bbb5b1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645 9f8274749d9010a1a72f97e547b7eb9ebb82345b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645 a184aec790135938b0fadb415e55accd1f8685a0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645 ab871d5882953e5574ae2bc47bec88c2e3d22663 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645 5b49a46baa853b26dbefa65c6c75dd9ff69f63d4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.14","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.14 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.175 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.142 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.92 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.34 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.11 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":{"cve_year":"2026","cve_id":"64231","cve":"CVE-2026-64231","epss":"0.001730000","percentile":"0.069710000","score_date":"2026-08-01","updated_at":"2026-08-02 00:11:13"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/msm/dsi/dsi_host.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5e2c196c3430fb94225c4102b1028d0146544761","status":"affected","version":"bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645","versionType":"git"},{"lessThan":"567b5e976e2e15280d78c9ef2add1954a0bbb5b1","status":"affected","version":"bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645","versionType":"git"},{"lessThan":"9f8274749d9010a1a72f97e547b7eb9ebb82345b","status":"affected","version":"bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645","versionType":"git"},{"lessThan":"a184aec790135938b0fadb415e55accd1f8685a0","status":"affected","version":"bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645","versionType":"git"},{"lessThan":"ab871d5882953e5574ae2bc47bec88c2e3d22663","status":"affected","version":"bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645","versionType":"git"},{"lessThan":"5b49a46baa853b26dbefa65c6c75dd9ff69f63d4","status":"affected","version":"bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/msm/dsi/dsi_host.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.14"},{"lessThan":"5.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.142","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.92","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","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":"6.1.175","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.142","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.92","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.34","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.11","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"5.14","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/dsi: don't dump registers past the mapped region\n\nOn DSI 6G platforms the IO address space is internally adjusted by\nio_offset. Later this adjusted address might be used for memory dumping.\nHowever the size that is used for memory dumping isn't adjusted to\naccount for the io_offset, leading to the potential access to the\nunmapped region. Lower ctrl_size by the io_offset value to prevent\naccess past the mapped area.\n\n msm_disp_snapshot_add_block+0x1d4/0x3c8 [msm] (P)\n msm_dsi_host_snapshot+0x4c/0x78 [msm]\n msm_dsi_snapshot+0x28/0x50 [msm]\n msm_disp_snapshot_capture_state+0x74/0x140 [msm]\n msm_disp_snapshot_state_sync+0x60/0x90 [msm]\n _msm_disp_snapshot_work+0x30/0x90 [msm]\n kthread_worker_fn+0xdc/0x460\n kthread+0x120/0x140\n\nPatchwork: https://patchwork.freedesktop.org/patch/721747/"}],"providerMetadata":{"dateUpdated":"2026-07-24T15:23:13.175Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/5e2c196c3430fb94225c4102b1028d0146544761"},{"url":"https://git.kernel.org/stable/c/567b5e976e2e15280d78c9ef2add1954a0bbb5b1"},{"url":"https://git.kernel.org/stable/c/9f8274749d9010a1a72f97e547b7eb9ebb82345b"},{"url":"https://git.kernel.org/stable/c/a184aec790135938b0fadb415e55accd1f8685a0"},{"url":"https://git.kernel.org/stable/c/ab871d5882953e5574ae2bc47bec88c2e3d22663"},{"url":"https://git.kernel.org/stable/c/5b49a46baa853b26dbefa65c6c75dd9ff69f63d4"}],"title":"drm/msm/dsi: don't dump registers past the mapped region","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64231","datePublished":"2026-07-24T15:23:13.175Z","dateReserved":"2026-07-19T15:36:31.771Z","dateUpdated":"2026-07-24T15:23:13.175Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-24 16:16:52","lastModifiedDate":"2026-07-30 14:59:47","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64231","Ordinal":"1","Title":"drm/msm/dsi: don't dump registers past the mapped region","CVE":"CVE-2026-64231","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64231","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/dsi: don't dump registers past the mapped region\n\nOn DSI 6G platforms the IO address space is internally adjusted by\nio_offset. Later this adjusted address might be used for memory dumping.\nHowever the size that is used for memory dumping isn't adjusted to\naccount for the io_offset, leading to the potential access to the\nunmapped region. Lower ctrl_size by the io_offset value to prevent\naccess past the mapped area.\n\n msm_disp_snapshot_add_block+0x1d4/0x3c8 [msm] (P)\n msm_dsi_host_snapshot+0x4c/0x78 [msm]\n msm_dsi_snapshot+0x28/0x50 [msm]\n msm_disp_snapshot_capture_state+0x74/0x140 [msm]\n msm_disp_snapshot_state_sync+0x60/0x90 [msm]\n _msm_disp_snapshot_work+0x30/0x90 [msm]\n kthread_worker_fn+0xdc/0x460\n kthread+0x120/0x140\n\nPatchwork: https://patchwork.freedesktop.org/patch/721747/","Type":"Description","Title":"drm/msm/dsi: don't dump registers past the mapped region"}]}}}