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VULNERABILITIES

CVE-2026-98252 Details

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: fix refcount bug in iwpm_get_nlmsg_request() iwpm_get_nlmsg_request() initializes refcount _after_ list_add_tail() making it accessible to global list where another CPU can kref_get() on nlmsg_request causing a refcount "addition on 0" bug. Fix this by initializing kref _before_ list_add_tail() so refcount for nlmsg_request can be incremented/decremented normally. In addition, also initialize every field before list_add_tail().

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: kernel.orgCVSS-B:7 HIGHVector:CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/117871cdb8927542abd7b65ce5995bf0265a8c05 kernel.org
https://git.kernel.org/stable/c/2fbac8a56004b6ce54fbfe845d4b25da6e0b55e8 kernel.org
https://git.kernel.org/stable/c/33fb59da49c4c3f5c2ec9f9d4447a56857a02c02 kernel.org
https://git.kernel.org/stable/c/52c13c63bb3662c108244e7447055e30bf40244e kernel.org
https://git.kernel.org/stable/c/88e429a4e9bac3d2138011c5ca06254331f2587f kernel.org

see all 8 references

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-98252
NVD Published Date:
Oct 6, 2026
NVD Last Modified:
Oct 7, 2026
Source:
kernel.org
CVE-2026-98252 Details - Not Deferred