drm/msm/dsi: don't dump registers past the mapped region
Summary
| CVE | CVE-2026-64231 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-07-24 16:16:52 UTC |
| Updated | 2026-07-30 14:59:47 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: drm/msm/dsi: don't dump registers past the mapped region On DSI 6G platforms the IO address space is internally adjusted by io_offset. Later this adjusted address might be used for memory dumping. However the size that is used for memory dumping isn't adjusted to account for the io_offset, leading to the potential access to the unmapped region. Lower ctrl_size by the io_offset value to prevent access past the mapped area. msm_disp_snapshot_add_block+0x1d4/0x3c8 [msm] (P) msm_dsi_host_snapshot+0x4c/0x78 [msm] msm_dsi_snapshot+0x28/0x50 [msm] msm_disp_snapshot_capture_state+0x74/0x140 [msm] msm_disp_snapshot_state_sync+0x60/0x90 [msm] _msm_disp_snapshot_work+0x30/0x90 [msm] kthread_worker_fn+0xdc/0x460 kthread+0x120/0x140 Patchwork: https://patchwork.freedesktop.org/patch/721747/ |
Risk And Classification
EPSS: 0.001730000 probability, percentile 0.069710000 (date 2026-08-01)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645 5e2c196c3430fb94225c4102b1028d0146544761 git | Not specified |
| CNA | Linux | Linux | affected bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645 567b5e976e2e15280d78c9ef2add1954a0bbb5b1 git | Not specified |
| CNA | Linux | Linux | affected bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645 9f8274749d9010a1a72f97e547b7eb9ebb82345b git | Not specified |
| CNA | Linux | Linux | affected bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645 a184aec790135938b0fadb415e55accd1f8685a0 git | Not specified |
| CNA | Linux | Linux | affected bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645 ab871d5882953e5574ae2bc47bec88c2e3d22663 git | Not specified |
| CNA | Linux | Linux | affected bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645 5b49a46baa853b26dbefa65c6c75dd9ff69f63d4 git | Not specified |
| CNA | Linux | Linux | affected 5.14 | Not specified |
| CNA | Linux | Linux | unaffected 5.14 semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.175 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.142 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.92 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.34 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0.11 7.0.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/5e2c196c3430fb94225c4102b1028d0146544761 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/a184aec790135938b0fadb415e55accd1f8685a0 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/5b49a46baa853b26dbefa65c6c75dd9ff69f63d4 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/567b5e976e2e15280d78c9ef2add1954a0bbb5b1 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/ab871d5882953e5574ae2bc47bec88c2e3d22663 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/9f8274749d9010a1a72f97e547b7eb9ebb82345b | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.