CVE-2022-48730

dma-buf: heaps: Fix potential spectre v1 gadget

published June 20, 2024

CVSS
—
EPSS
0%
Percentile
16.4
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

dma-buf: heaps: Fix potential spectre v1 gadget

It appears like nr could be a Spectre v1 gadget as it's supplied by a

user and used as an array index. Prevent the contents

of kernel memory from being leaked to userspace via speculative

execution by using array_index_nospec.

[sumits: added fixes and cc: stable tags]

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00257 · 16.4th percentile
Published
2024-06-20T11:13Z
EPSS history
Timeline
  • 20 JUN 11:13Z
    dma-buf: heaps: Fix potential spectre v1 gadget
    cvelistv5