PT-2025-8877

CVE-2025-21765

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Published

2025-02-07

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Updated

2026-10-15

Description by

CVSS 3.1
8.1
High
MetricsAV:N/AC:H/PR:N/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 A vulnerability in the Linux kernel has been resolved. The issue is related to the function ip6 default advmss(), which requires RCU protection to prevent the net structure it reads from disappearing.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Vendors
Affected products
Weakness enumeration
Related identifiers
ALSA-2025:20095
ALSA-2025:20518
CLSA-2026-1787571818
DLA-4102-1
DLA-4178-1
INFSA-2025_20518
OESA-2025-1446
OESA-2025-1450
OPENSUSE-SU-2025_1177-1
OPENSUSE-SU-2025_1178-1
OPENSUSE-SU-2025_1180-1
RHSA-2025:20095
RHSA-2025:20518
RHSA-2025_20518
SUSE-SU-2025:01919-1
SUSE-SU-2025:01951-1
SUSE-SU-2025_01951-1
SUSE-SU-2025:01967-1
SUSE-SU-2025_01967-1
SUSE-SU-2025:1177-1
SUSE-SU-2025_1177-1
SUSE-SU-2025:1178-1
SUSE-SU-2025_1178-1
SUSE-SU-2025:1180-1
SUSE-SU-2025_1180-1
SUSE-SU-2025:1293-1
SUSE-SU-2025_1293-1
SUSE-SU-2025:20190-1
SUSE-SU-2025:20192-1
SUSE-SU-2025:20260-1
SUSE-SU-2025:20270-1
SUSE-SU-2026:0474-1
SUSE-SU-2026:0475-1
SUSE-SU-2026:0495-1
SUSE-SU-2026:0496-1
SUSE-SU-2026:0617-1
SUSE-SU-2026:1131-1
USN-7510-1
USN-7510-2
USN-7510-3
USN-7510-4
USN-7510-5
USN-7510-6
USN-7510-7
USN-7510-8
USN-7511-1
USN-7511-2
USN-7511-3
USN-7512-1
USN-7516-1
USN-7516-2
USN-7516-3
USN-7516-4
USN-7516-5
USN-7516-6
USN-7516-7
USN-7516-8
USN-7516-9
USN-7517-1
USN-7517-2
USN-7517-3
USN-7518-1
USN-7521-1
USN-7521-2
USN-7521-3
USN-7539-1
USN-7540-1
USN-7593-1
USN-7602-1
USN-7640-1
USN-7703-1
USN-7703-2
USN-7703-3
USN-7703-4
USN-7719-1
USN-7737-1
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