CVEvulnerability

CVE-2025-38569

5.5 MEDIUM Published 2025-08-19 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2025-08-19
Last modified
2026-06-17
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-476

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.

Affected configurations

• linux linux kernel (>= 5.4.291 < 5.4.297) • linux linux kernel (>= 5.10.235 < 5.10.241) • linux linux kernel (>= 5.15.179 < 5.15.190) • linux linux kernel (>= 6.1.131 < 6.1.148) • linux linux kernel (>= 6.6.83 < 6.6.102) • linux linux kernel (>= 6.12.19 < 6.12.42) • linux linux kernel (>= 6.13.7 < 6.14) • linux linux kernel (>= 6.14.1 < 6.15.10) • linux linux kernel (>= 6.16 < 6.16.1) • linux linux kernel 6.14 • debian debian linux 11.0

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References