CVE-2025-38569

Published: Aug 19, 2025

Modified: May 23, 2026

PUBLISHED

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.

Vendor	Product	Versions
Linux	Linux	affected `797bb9439c0489bbea4b8808297ec7a569098667 - < 3697e37e012bbd2bb5a5b467689811ba097b2eff` affected `7cfae8627511361f90a1a22dfae556c3fbc5bd8d - < 975e73b9102d844a3dc3f091ad631c56145c8b4c` affected `671aaa17bd3153e25526934f92307169ce927b5e - < f80b34ebc579216407b128e9d155bfcae875c30f` affected `4393452e6c0c027971ec9bcc9557f52e63db3f0a - < 46d44a23a3723a89deeb65b13cddb17f8d9f2700` affected `41d731e7920387ea13e2fb440a1e235686faeeb9 - < c377ba2be9430d165a98e4b782902ed630bc7546` +12 more versions
Linux	Linux	affected `6.14` unaffected `0 - < 6.14` unaffected `5.4.297 - <= 5.4.` unaffected `5.10.241 - <= 5.10.` unaffected `5.15.190 - <= 5.15.*` +6 more versions