PT-2025-8876

CVE-2025-21764

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Published

2025-02-07

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Updated

2026-10-21

Description by

CVSS 3.1
7.8
High
MetricsAV: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 A vulnerability in the Linux kernel has been resolved. The issue is related to the ndisc alloc skb() function, which can be called without RTNL or RCU being held, potentially leading to a use-after-free (UAF) condition. To address this, RCU protection has been added to ndisc alloc skb().
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
Weakness enumeration
Related identifiers
ALSA-2025:8333
ALSA-2025:9580
ALSA-2025:9581
ALT-PU-2025-12647
ALT-PU-2025-4689
ALT-PU-2025-5012
ALT-PU-2025-5359
ALT-PU-2025-5361
ALT-PU-2025-5437
AZL-58898
AZL-58925
CESA-2025_9580
CESA-2025_9581
CLSA-2025-1746479711
CLSA-2025-1754037492
CLSA-2025-1754037789
CLSA-2026-1781347338
CLSA-2026-1788170774
CLSA-2026-1788257079
CLSA-2026-1788259625
CLSA-2026-1791185545
DLA-4102-1
DLA-4178-1
INFSA-2025_8333
INFSA-2025_9580
INFSA-2025_9581
OESA-2025-1446
OESA-2025-1450
OESA-2025-1462
OESA-2025-1465
OESA-2025-1466
OPENSUSE-SU-2025_1177-1
OPENSUSE-SU-2025_1178-1
OPENSUSE-SU-2025_1180-1
RHSA-2025:10211
RHSA-2025:8333
RHSA-2025_8333
RHSA-2025:9079
RHSA-2025:9490
RHSA-2025:9491
RHSA-2025:9492
RHSA-2025:9493
RHSA-2025:9494
RHSA-2025:9497
RHSA-2025:9498
RHSA-2025:9580
RHSA-2025_9580
RHSA-2025:9581
RHSA-2025_9581
RHSA-2025:9584
SUSE-SU-2025:01600-1
SUSE-SU-2025_01600-1
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-2025:20190-1
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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