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NVD Vulnerability Details :

CVE-2025-21758

Modified

Source-416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published At-27 Feb, 2025 | 03:15

Updated At-03 Nov, 2025 | 20:17

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Type: Primary

Version: 3.1

Base score: 5.5

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CPE Matches

Linux Kernel Organization, Inc

>>linux_kernel>>Versions from 2.6.26(inclusive) to 5.15.179(exclusive)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Linux Kernel Organization, Inc

>>linux_kernel>>Versions from 5.16(inclusive) to 6.1.129(exclusive)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Linux Kernel Organization, Inc

>>linux_kernel>>Versions from 6.2(inclusive) to 6.6.79(exclusive)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Linux Kernel Organization, Inc

>>linux_kernel>>Versions from 6.7(inclusive) to 6.12.16(exclusive)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Linux Kernel Organization, Inc

>>linux_kernel>>Versions from 6.13(inclusive) to 6.13.4(exclusive)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Linux Kernel Organization, Inc

>>linux_kernel>>6.14

cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*

Linux Kernel Organization, Inc

>>linux_kernel>>6.14

cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
NVD-CWE-noinfo	Primary	nvd@nist.gov

CWE ID: NVD-CWE-noinfo

Type: Primary

Source: nvd@nist.gov

References

Hyperlink	Source	Resource
https://git.kernel.org/stable/c/1b91c597b0214b1b462eb627ec02658c944623f2	416baaa9-dc9f-4396-8d5f-8c081fb06d67	Patch
https://git.kernel.org/stable/c/25195f9d5ffcc8079ad743a50c0409dbdc48d98a	416baaa9-dc9f-4396-8d5f-8c081fb06d67	Patch
https://git.kernel.org/stable/c/29fa42197f26a97cde29fa8c40beddf44ea5c8f3	416baaa9-dc9f-4396-8d5f-8c081fb06d67	Patch
https://git.kernel.org/stable/c/a527750d877fd334de87eef81f1cb5f0f0ca3373	416baaa9-dc9f-4396-8d5f-8c081fb06d67	Patch
https://git.kernel.org/stable/c/d60d493b0e65647e0335e6a7c4547abcea7df8e9	416baaa9-dc9f-4396-8d5f-8c081fb06d67	Patch
https://git.kernel.org/stable/c/e8af3632a7f2da83e27b083f787bced1faba00b1	416baaa9-dc9f-4396-8d5f-8c081fb06d67	Patch
https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html	af854a3a-2127-422b-91ae-364da2661108	N/A