CVE-2021-47064
MEDIUMLinux Kernel < 5.10.37 - Use-After-Free in mt76 DMA Mapping
Title source: llmDescription
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
References (4)
Core 4
Core References
Scores
CVSS v3
5.3
EPSS
0.0077
EPSS Percentile
50.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-401
Status
published
Products (11)
Linux/Linux
< 5.10
Linux/Linux
27d5c528a7ca08dcd44877fdd9fc08b76630bf77 - 91b9548d413fda488ea853cd1b9f59b572db3a0c
Linux/Linux
27d5c528a7ca08dcd44877fdd9fc08b76630bf77 - 9b68ce2856dadc0e1cb6fd21fbeb850da49efd08
Linux/Linux
27d5c528a7ca08dcd44877fdd9fc08b76630bf77 - 9fa26701cd1fc4d932d431971efc5746325bdfce
Linux/Linux
27d5c528a7ca08dcd44877fdd9fc08b76630bf77 - b4403cee6400c5f679e9c4a82b91d61aa961eccf
Linux/Linux
5.10
Linux/Linux
5.10.37 - 5.10.*
Linux/Linux
5.11.21 - 5.11.*
Linux/Linux
5.12.4 - 5.12.*
Linux/Linux
5.13
... and 1 more
Published
Feb 29, 2024
Tracked Since
Feb 18, 2026