CVE-2025-38569

EUVD-2025-26103
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 2%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
5.4.291 ≤
𝑥
< 5.4.297
linuxlinux_kernel
5.10.235 ≤
𝑥
< 5.10.241
linuxlinux_kernel
5.15.179 ≤
𝑥
< 5.15.190
linuxlinux_kernel
6.1.131 ≤
𝑥
< 6.1.148
linuxlinux_kernel
6.6.83 ≤
𝑥
< 6.6.102
linuxlinux_kernel
6.12.19 ≤
𝑥
< 6.12.42
linuxlinux_kernel
6.13.7 ≤
𝑥
< 6.14
linuxlinux_kernel
6.14.1 ≤
𝑥
< 6.15.10
linuxlinux_kernel
6.16 ≤
𝑥
< 6.16.1
linuxlinux_kernel
6.14
linuxlinux_kernel
6.14:rc6
linuxlinux_kernel
6.14:rc7
debiandebian_linux
11.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.159-1
fixed
bookworm (security)
6.1.162-1
fixed
bullseye
vulnerable
bullseye (security)
5.10.249-1
fixed
forky
6.18.9-1
fixed
sid
6.18.12-1
fixed
trixie
6.12.63-1
fixed
trixie (security)
6.12.73-1
fixed
linux-6.1
bullseye (security)
6.1.162-1~deb11u1
fixed