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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2024-42283 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: net: nexthop: Initialize all fields in dumped nexthops struct nexthop_grp contains two reserved fields that are not initialized by nla_put_nh_group(), and carry garbage. This can be observed e.g. with strace (edited for clarity): # ip nexthop add id 1 dev lo # ip nexthop add id 101 group 1 # strace -e recvmsg ip nexthop get id 101 ... recvmsg(... [{nla_len=12, nla_type=NHA_GROUP}, [{id=1, weight=0, resvd1=0x69, resvd2=0x67}]] ...) = 52 The fields are reserved and therefore not currently used. But as they are, they leak kernel memory, and the fact they are not just zero complicates repurposing of the fields for new ends. Initialize the full structure.


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/1377de719652d868f5317ba8398b7e74c5f0430b Patch 
https://git.kernel.org/stable/c/5cc4d71dda2dd4f1520f40e634a527022e48ccd8 Patch 
https://git.kernel.org/stable/c/6d745cd0e9720282cd291d36b9db528aea18add2 Patch 
https://git.kernel.org/stable/c/7704460acd7f5d35eb07c52500987dc9b95313fb Patch 
https://git.kernel.org/stable/c/9e8f558a3afe99ce51a642ce0d3637ddc2b5d5d0 Patch 
https://git.kernel.org/stable/c/a13d3864b76ac87085ec530b2ff8e37482a63a96 Patch 
https://git.kernel.org/stable/c/fd06cb4a5fc7bda3dea31712618a62af72a1c6cb Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-908 Use of Uninitialized Resource cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-42283
NVD Published Date:
08/17/2024
NVD Last Modified:
08/19/2024
Source:
kernel.org