CVE-2025-38569

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux797bb9439c0489bbea4b8808297ec7a569098667 < 3697e37e012bbd2bb5a5b467689811ba097b2effaffected
LinuxLinux7cfae8627511361f90a1a22dfae556c3fbc5bd8d < 975e73b9102d844a3dc3f091ad631c56145c8b4caffected
LinuxLinux671aaa17bd3153e25526934f92307169ce927b5e < f80b34ebc579216407b128e9d155bfcae875c30faffected
LinuxLinux4393452e6c0c027971ec9bcc9557f52e63db3f0a < 46d44a23a3723a89deeb65b13cddb17f8d9f2700affected
LinuxLinux41d731e7920387ea13e2fb440a1e235686faeeb9 < c377ba2be9430d165a98e4b782902ed630bc7546affected
LinuxLinuxfd1ef3b1bdd3fec683ebd19eb3acc6a2cb60b5c6 < 0ddfe8b127ef1149fddccb79db6e6eaba7738e7daffected
LinuxLinux1a82d19ca2d6835904ee71e2d40fd331098f94a0 < d5dc09ee5d74277bc47193fe28ce8703e229331baffected
LinuxLinux1a82d19ca2d6835904ee71e2d40fd331098f94a0 < f4e4e0c4bc4d799d6fa39055acdbc3af066cd13eaffected
LinuxLinux1a82d19ca2d6835904ee71e2d40fd331098f94a0 < 5a40f8af2ba1b9bdf46e2db10e8c9710538fbc63affected
LinuxLinux227a829c9067bf03b1967e7e0b1a6777fd57edefaffected
LinuxLinux5.4.291 < 5.4.297affected
LinuxLinux5.10.235 < 5.10.241affected
LinuxLinux5.15.179 < 5.15.190affected
LinuxLinux6.1.131 < 6.1.148affected
LinuxLinux6.6.83 < 6.6.102affected
LinuxLinux6.12.19 < 6.12.42affected
LinuxLinux6.13.7 < 6.14affected
LinuxLinux6.14affected
LinuxLinux0 < 6.14unaffected
LinuxLinux5.4.297 <= 5.4.*unaffected
LinuxLinux5.10.241 <= 5.10.*unaffected
LinuxLinux5.15.190 <= 5.15.*unaffected
LinuxLinux6.1.148 <= 6.1.*unaffected
LinuxLinux6.6.102 <= 6.6.*unaffected
LinuxLinux6.12.42 <= 6.12.*unaffected
LinuxLinux6.15.10 <= 6.15.*unaffected
LinuxLinux6.16.1 <= 6.16.*unaffected
LinuxLinux6.17 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

References