CVE-2025-38239

In the Linux kernel, the following vulnerability has been resolved:

scsi: megaraid_sas: Fix invalid node index

On a system with DRAM interleave enabled, out-of-bound access is
detected:

megaraid_sas 0000:3f:00.0: requested/available msix 128/128 poll_queue 0
------------[ cut here ]------------
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]'
dump_stack_lvl+0x5d/0x80
ubsan_epilogue+0x5/0x2b
__ubsan_handle_out_of_bounds.cold+0x46/0x4b
megasas_alloc_irq_vectors+0x149/0x190 [megaraid_sas]
megasas_probe_one.cold+0xa4d/0x189c [megaraid_sas]
local_pci_probe+0x42/0x90
pci_device_probe+0xdc/0x290
really_probe+0xdb/0x340
__driver_probe_device+0x78/0x110
driver_probe_device+0x1f/0xa0
__driver_attach+0xba/0x1c0
bus_for_each_dev+0x8b/0xe0
bus_add_driver+0x142/0x220
driver_register+0x72/0xd0
megasas_init+0xdf/0xff0 [megaraid_sas]
do_one_initcall+0x57/0x310
do_init_module+0x90/0x250
init_module_from_file+0x85/0xc0
idempotent_init_module+0x114/0x310
__x64_sys_finit_module+0x65/0xc0
do_syscall_64+0x82/0x170
entry_SYSCALL_64_after_hwframe+0x76/0x7e

Fix it accordingly.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
UNKNOWN
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LinuxCNA
---
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
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Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
not-affected
bullseye (security)
5.10.237-1
fixed
bookworm
vulnerable
bookworm (security)
vulnerable
trixie
vulnerable
trixie (security)
vulnerable
sid
vulnerable