Unrated severityNVD Advisory· Published Oct 6, 2026
CVE-2026-98252
CVE-2026-98252
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().
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Affected products
1Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/117871cdb8927542abd7b65ce5995bf0265a8c05nvd
- git.kernel.org/stable/c/2fbac8a56004b6ce54fbfe845d4b25da6e0b55e8nvd
- git.kernel.org/stable/c/33fb59da49c4c3f5c2ec9f9d4447a56857a02c02nvd
- git.kernel.org/stable/c/52c13c63bb3662c108244e7447055e30bf40244envd
- git.kernel.org/stable/c/88e429a4e9bac3d2138011c5ca06254331f2587fnvd
- git.kernel.org/stable/c/8a91609032d47e77bcb37bc8f6e88d89340d2709nvd
- git.kernel.org/stable/c/ce8a379598bd4058081416abea4279fd05a95374nvd
- git.kernel.org/stable/c/e15eb536be4f646ce683d2867572b2200be877f7nvd
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