CVE-2026-98088
Description
In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Avoid out-of-bounds cpumask_of_node() call in _base_assign_reply_queues() dev_to_node() can return NUMA_NO_NODE (-1) on systems without NUMA topology information for the PCI device, such as single-socket boards that don't expose device-to-node affinity. Passing -1 directly into cpumask_of_node() indexes node_to_cpumask_map[-1], an out-of-bounds array read caught by UBSAN: UBSAN: array-index-out-of-bounds in arch/x86/include/asm/topology.h:72:28 index -1 is out of range for type 'cpumask *[1024]' Fall back to cpu_online_mask when no NUMA node is available, rather than assuming dev_to_node() always returns a valid node index.
How to fix
- Linux Linuxf531758ef21ba9a7716148cc290e8d9a110f20d9, 06a994ad7bbd13714cd45df582389f751531e60c, 7bcce856c79c1799351e170aec83e018ccf3d044, 0a5f7cdb0cb911584720591069065f09c59ec4fc, 7b23144c3ff6e46d7d4a464b02f8944265684e39, 45504e621b7e884abe59f201e093a3eac7fca7fe, e0d26fe176a8db6ccad4ab38c5bab29391c1946b or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 728bbc6cbff70051813730fb7977f5d99d867e12 ≤ v < f531758ef21ba9a7716148cc290e8d9a110f20d9, 728bbc6cbff70051813730fb7977f5d99d867e12 ≤ v < 06a994ad7bbd13714cd45df582389f751531e60c, 728bbc6cbff70051813730fb7977f5d99d867e12 ≤ v < 7bcce856c79c1799351e170aec83e018ccf3d044, 728bbc6cbff70051813730fb7977f5d99d867e12 ≤ v < 0a5f7cdb0cb911584720591069065f09c59ec4fc, 728bbc6cbff70051813730fb7977f5d99d867e12 ≤ v < 7b23144c3ff6e46d7d4a464b02f8944265684e39, 728bbc6cbff70051813730fb7977f5d99d867e12 ≤ v < 45504e621b7e884abe59f201e093a3eac7fca7fe, 728bbc6cbff70051813730fb7977f5d99d867e12 ≤ v < e0d26fe176a8db6ccad4ab38c5bab29391c1946b, 5.3 | f531758ef21ba9a7716148cc290e8d9a110f20d9, 06a994ad7bbd13714cd45df582389f751531e60c, 7bcce856c79c1799351e170aec83e018ccf3d044, 0a5f7cdb0cb911584720591069065f09c59ec4fc, 7b23144c3ff6e46d7d4a464b02f8944265684e39, 45504e621b7e884abe59f201e093a3eac7fca7fe, e0d26fe176a8db6ccad4ab38c5bab29391c1946b |
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