PT-2022-7661
CVE-2022-48742
·
Published
2022-02-01
·
Updated
2025-03-11
Description by
CVSS 3.1
7.8
HighMetricsAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The issue is related to the
rtnl newlink() function in the Linux kernel, which can potentially trigger use-after-free due to the replay logic. This could allow an attacker to elevate their privileges. The problem is resolved by refreshing master dev/m ops in rtnl newlink() and clearing master dev and m ops inside the loop in case of replay.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Impacts
Researchers
Vendors
Affected products
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