CVE-2025-38569
Description
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.
How to fix
- linux linux_kernel5.4.297, 5.10.241, 5.15.190, 6.1.148, 6.6.102, 6.12.42, 6.14, 6.15.10, 6.16.1 or later
- git.kernel.org/stable/c/0ddfe8b127ef1149fddccb79db6e6eaba7738e7d
- git.kernel.org/stable/c/3697e37e012bbd2bb5a5b467689811ba097b2eff
- git.kernel.org/stable/c/46d44a23a3723a89deeb65b13cddb17f8d9f2700
- git.kernel.org/stable/c/5a40f8af2ba1b9bdf46e2db10e8c9710538fbc63
- git.kernel.org/stable/c/975e73b9102d844a3dc3f091ad631c56145c8b4c
- git.kernel.org/stable/c/c377ba2be9430d165a98e4b782902ed630bc7546
- git.kernel.org/stable/c/d5dc09ee5d74277bc47193fe28ce8703e229331b
- git.kernel.org/stable/c/f4e4e0c4bc4d799d6fa39055acdbc3af066cd13e
- git.kernel.org/stable/c/f80b34ebc579216407b128e9d155bfcae875c30f
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.4.291 ≤ v < 5.4.297, 5.10.235 ≤ v < 5.10.241, 5.15.179 ≤ v < 5.15.190, 6.1.131 ≤ v < 6.1.148, 6.6.83 ≤ v < 6.6.102, 6.12.19 ≤ v < 6.12.42, 6.13.7 ≤ v < 6.14, 6.14.1 ≤ v < 6.15.10, 6.16 ≤ v < 6.16.1, 6.14 | 5.4.297, 5.10.241, 5.15.190, 6.1.148, 6.6.102, 6.12.42, 6.14, 6.15.10, 6.16.1 |
| debian debian_linux | 11.0 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.