CVE-2022-48730

MEDIUM

Linux Kernel 5.6-5.10.99 5.11-5.15.22 5.16-5.16.8 - Information Leak via Spectre v1 Gadget in DMA-BUF Heaps

Title source: llm
STIX 2.1

Description

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]

References (4)

Core 4

Scores

CVSS v3 5.5
EPSS 0.0026
EPSS Percentile 16.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-203
Status published
Products (15)
linux/Kernel 5.11.0 - 5.15.22linux
linux/Kernel 5.16.0 - 5.16.8linux
linux/Kernel 5.6.0 - 5.10.99linux
Linux/Linux < 5.6
Linux/Linux 5.10.99 - 5.10.*
Linux/Linux 5.15.22 - 5.15.*
Linux/Linux 5.16.8 - 5.16.*
Linux/Linux 5.17
Linux/Linux 5.6
Linux/Linux c02a81fba74fe3488ad6b08bfb5a1329005418f8 - 24f8e12d965b24f8aea762589e0e9fe2025c005e
... and 5 more
Published Jun 20, 2024
Tracked Since Feb 18, 2026