FKIE_CVE-2025-38569
Vulnerability from fkie_nvd - Published: 2025-08-19 17:15 - Updated: 2026-01-08 21:08
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
benet: fix BUG when creating VFs
benet crashes as soon as SRIOV VFs are created:
kernel BUG at mm/vmalloc.c:3457!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 4 UID: 0 PID: 7408 Comm: test.sh Kdump: loaded Not tainted 6.16.0+ #1 PREEMPT(voluntary)
[...]
RIP: 0010:vunmap+0x5f/0x70
[...]
Call Trace:
<TASK>
__iommu_dma_free+0xe8/0x1c0
be_cmd_set_mac_list+0x3fe/0x640 [be2net]
be_cmd_set_mac+0xaf/0x110 [be2net]
be_vf_eth_addr_config+0x19f/0x330 [be2net]
be_vf_setup+0x4f7/0x990 [be2net]
be_pci_sriov_configure+0x3a1/0x470 [be2net]
sriov_numvfs_store+0x20b/0x380
kernfs_fop_write_iter+0x354/0x530
vfs_write+0x9b9/0xf60
ksys_write+0xf3/0x1d0
do_syscall_64+0x8c/0x3d0
be_cmd_set_mac_list() calls dma_free_coherent() under a spin_lock_bh.
Fix it by freeing only after the lock has been released.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | 6.14 | |
| linux | linux_kernel | 6.14 | |
| linux | linux_kernel | 6.14 | |
| debian | debian_linux | 11.0 |
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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbenet: fix BUG when creating VFs\n\nbenet crashes as soon as SRIOV VFs are created:\n\n kernel BUG at mm/vmalloc.c:3457!\n Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI\n CPU: 4 UID: 0 PID: 7408 Comm: test.sh Kdump: loaded Not tainted 6.16.0+ #1 PREEMPT(voluntary)\n [...]\n RIP: 0010:vunmap+0x5f/0x70\n [...]\n Call Trace:\n \u003cTASK\u003e\n __iommu_dma_free+0xe8/0x1c0\n be_cmd_set_mac_list+0x3fe/0x640 [be2net]\n be_cmd_set_mac+0xaf/0x110 [be2net]\n be_vf_eth_addr_config+0x19f/0x330 [be2net]\n be_vf_setup+0x4f7/0x990 [be2net]\n be_pci_sriov_configure+0x3a1/0x470 [be2net]\n sriov_numvfs_store+0x20b/0x380\n kernfs_fop_write_iter+0x354/0x530\n vfs_write+0x9b9/0xf60\n ksys_write+0xf3/0x1d0\n do_syscall_64+0x8c/0x3d0\n\nbe_cmd_set_mac_list() calls dma_free_coherent() under a spin_lock_bh.\nFix it by freeing only after the lock has been released."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: benet: se corrige un ERROR al crear VF. benet se bloquea tan pronto como se crean los VF SRIOV: \u00a1ERROR del kernel en mm/vmalloc.c:3457! Oops: c\u00f3digo de operaci\u00f3n no v\u00e1lido: 0000 [#1] SMP KASAN NOPTI CPU: 4 UID: 0 PID: 7408 Comm: test.sh Kdump: cargado No contaminado 6.16.0+ #1 PREEMPT(voluntario) [...] RIP: 0010:vunmap+0x5f/0x70 [...] Rastreo de llamadas: __iommu_dma_free+0xe8/0x1c0 be_cmd_set_mac_list+0x3fe/0x640 [be2net] be_cmd_set_mac+0xaf/0x110 [be2net] be_vf_eth_addr_config+0x19f/0x330 [be2net] be_vf_setup+0x4f7/0x990 [be2net] be_pci_sriov_configure+0x3a1/0x470 [be2net] sriov_numvfs_store+0x20b/0x380 kernfs_fop_write_iter+0x354/0x530 vfs_write+0x9b9/0xf60 ksys_write+0xf3/0x1d0 do_syscall_64+0x8c/0x3d0 be_cmd_set_mac_list() calls dma_free_coherent() bajo un spin_lock_bh. Para solucionarlo, libere el bloqueo solo despu\u00e9s de liberarlo."
}
],
"id": "CVE-2025-38569",
"lastModified": "2026-01-08T21:08:47.850",
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
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"published": "2025-08-19T17:15:33.663",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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