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CVE-2022-48732 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: fix off by one in BIOS boundary checking Bounds checking when parsing init scripts embedded in the BIOS reject access to the last byte. This causes driver initialization to fail on Apple eMac's with GeForce 2 MX GPUs, leaving the system with no working console. This is probably only seen on OpenFirmware machines like PowerPC Macs because the BIOS image provided by OF is only the used parts of the ROM, not a power-of-two blocks read from PCI directly so PCs always have empty bytes at the end that are never accessed.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://git.kernel.org/stable/c/1b777d4d9e383d2744fc9b3a09af6ec1893c8b1a Patch 
https://git.kernel.org/stable/c/909d3ec1bf9f0ec534bfc081b77c0836fea7b0e2 Patch 
https://git.kernel.org/stable/c/acc887ba88333f5fec49631f12d8cc7ebd95781c Patch 
https://git.kernel.org/stable/c/b2a21669ee98aafc41c6d42ef15af4dab9e6e882 Patch 
https://git.kernel.org/stable/c/d4b746e60fd8eaa8016e144223abe91158edcdad Patch 
https://git.kernel.org/stable/c/d877e814a62b7de9069aeff8bc1d979dfc996e06 Patch 
https://git.kernel.org/stable/c/e7c36fa8a1e63b08312162179c78a0c7795ea369 Patch 
https://git.kernel.org/stable/c/f071d9fa857582d7bd77f4906691f73d3edeab73 Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-193 Off-by-one Error cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-48732
NVD Published Date:
06/20/2024
NVD Last Modified:
08/19/2024
Source:
kernel.org