CVE-2025-38239

scsi: megaraid_sas: Fix invalid node index

State: Published
Severity: 7.3 High
Published: Jul 9, 2025
Updated: Oct 15, 2026
Reserved: Apr 16, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	7.3 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	8049da6f3943d0ac51931b8064b2e4769a69a967 to before f1064b3532192e987ab17be7281d5fee36fd25e1Affected 8049da6f3943d0ac51931b8064b2e4769a69a967 to before bf2c1643abc3b2507d56bb6c22bf9897272f8a35Affected 8049da6f3943d0ac51931b8064b2e4769a69a967 to before 19a47c966deb36624843b7301f0373a3dc541a05Affected 8049da6f3943d0ac51931b8064b2e4769a69a967 to before 074efb35552556a4b3b25eedab076d5dc24a8199Affected 8049da6f3943d0ac51931b8064b2e4769a69a967 to before 752eb816b55adb0673727ba0ed96609a17895654Affected
LinuxLinux	5.17Affected before 5.17Not affected 6.1.143 through 6.1.Not affected 6.6.96 through 6.6.Not affected 6.12.36 through 6.12.Not affected 6.15.5 through 6.15.Not affected 6.16 and laterNot affected

Product

Versions

LinuxLinux

8049da6f3943d0ac51931b8064b2e4769a69a967 to before f1064b3532192e987ab17be7281d5fee36fd25e1Affected
8049da6f3943d0ac51931b8064b2e4769a69a967 to before bf2c1643abc3b2507d56bb6c22bf9897272f8a35Affected
8049da6f3943d0ac51931b8064b2e4769a69a967 to before 19a47c966deb36624843b7301f0373a3dc541a05Affected
8049da6f3943d0ac51931b8064b2e4769a69a967 to before 074efb35552556a4b3b25eedab076d5dc24a8199Affected
8049da6f3943d0ac51931b8064b2e4769a69a967 to before 752eb816b55adb0673727ba0ed96609a17895654Affected

LinuxLinux

5.17Affected
before 5.17Not affected
6.1.143 through 6.1.*Not affected
6.6.96 through 6.6.*Not affected
6.12.36 through 6.12.*Not affected
6.15.5 through 6.15.*Not affected
6.16 and laterNot affected

References

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