PT-2025-18873

CVE-2023-53109

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Published

2023-03-10

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Updated

2026-10-12

Description by

CVSS 3.1
5.5
Medium
MetricsAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description A vulnerability in the Linux kernel has been resolved, related to IP tunnels updating dev->needed headroom in their xmit path. The issue involves a data-race in ip tunnel xmit, which can be exploited. Technical details about exploitation include the ip tunnel xmit function and the dev->needed headroom variable. No information is provided about the estimated number of potentially affected devices or real-world incidents.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Impacts
Vendors
Affected products
Related identifiers
CLSA-2026-1791780738
OESA-2025-1820
SUSE-SU-2025:01966-1
SUSE-SU-2025:01983-1
SUSE-SU-2025_01983-1
SUSE-SU-2025:02173-1
SUSE-SU-2025_02173-1
SUSE-SU-2025:2173-1
SUSE-SU-2026:4279-1
SUSE-SU-2026:4284-1
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