GPU DDK - Multiple calls into PhysmemGEMPrimeExport can inherit write access permission for an existing read-only dma_buf import PMR
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.3%
exploitation probability
0.3%top 80% of all CVEs
observed exploitation
nono source reports it
Software installed and run as a non-privileged user may conduct improper GPU system calls to gain write permissions to memory buffers exported as read-only.
This is caused by improper handling of the memory protections for the buffer resource.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products
Imagination Technologies · Graphics DDK