CVE-2021-47064
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
mt76: fix potential DMA mapping leak
In the Linux kernel, the following vulnerability has been resolved: mt76: fix potential DMA mapping leak With buf uninitialized in mt76_dma_tx_queue_skb_raw, its field skip_unmap could potentially inherit a non-zero value from stack garbage. If this happens, it will cause DMA mappings for MCU command frames to not be unmapped after completion
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 27d5c528a7ca08dcd44877fdd9fc08b76630bf77 | affected | git | 9fa26701cd1fc4d932d431971efc5746325bdfce | Unavailable | None listed |
| 27d5c528a7ca08dcd44877fdd9fc08b76630bf77 | affected | git | 9b68ce2856dadc0e1cb6fd21fbeb850da49efd08 | Unavailable | None listed |
| 27d5c528a7ca08dcd44877fdd9fc08b76630bf77 | affected | git | 91b9548d413fda488ea853cd1b9f59b572db3a0c | Unavailable | None listed |
| 27d5c528a7ca08dcd44877fdd9fc08b76630bf77 | affected | git | b4403cee6400c5f679e9c4a82b91d61aa961eccf | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.10 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.10 | Unavailable | None listed |
| 5.10.37 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.11.21 | unaffected | semver | Unavailable | 5.11.* | None listed |
| 5.12.4 | unaffected | semver | Unavailable | 5.12.* | None listed |
| 5.13 | unaffected | original_commit_for_fix | Unavailable | * | None listed |