Vulnerabilities > CVE-2022-48730 - Information Exposure Through Discrepancy vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
NONE Availability impact
NONE Summary
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]
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://git.kernel.org/stable/c/24f8e12d965b24f8aea762589e0e9fe2025c005e
- https://git.kernel.org/stable/c/24f8e12d965b24f8aea762589e0e9fe2025c005e
- https://git.kernel.org/stable/c/5d40f1bdad3dd1a177f21a90ad4353c1ed40ba3a
- https://git.kernel.org/stable/c/5d40f1bdad3dd1a177f21a90ad4353c1ed40ba3a
- https://git.kernel.org/stable/c/92c4cfaee6872038563c5b6f2e8e613f9d84d47d
- https://git.kernel.org/stable/c/92c4cfaee6872038563c5b6f2e8e613f9d84d47d
- https://git.kernel.org/stable/c/cc8f7940d9c2d45f67b3d1a2f2b7a829ca561bed
- https://git.kernel.org/stable/c/cc8f7940d9c2d45f67b3d1a2f2b7a829ca561bed