vulnerability
Huawei EulerOS: CVE-2025-21758: kernel security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Feb 27, 2025 | Jul 21, 2025 | Apr 1, 2026 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Feb 27, 2025
Added
Jul 21, 2025
Modified
Apr 1, 2026
Description
In the Linux kernel, the following vulnerability has been resolved:
ipv6: mcast: add RCU protection to mld_newpack()
mld_newpack() can be called without RTNL or RCU being held.
Note that we no longer can use sock_alloc_send_skb() because
ipv6.igmp_sk uses GFP_KERNEL allocations which can sleep.
Instead use alloc_skb() and charge the net->ipv6.igmp_sk
socket under RCU protection.
Solutions
huawei-euleros-2_0_sp12-upgrade-bpftoolhuawei-euleros-2_0_sp12-upgrade-kernelhuawei-euleros-2_0_sp12-upgrade-kernel-abi-stablelistshuawei-euleros-2_0_sp12-upgrade-kernel-toolshuawei-euleros-2_0_sp12-upgrade-kernel-tools-libshuawei-euleros-2_0_sp12-upgrade-python3-perf
Rapid7 Labs
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