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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= 797bb9439c0489bbea4b8808297ec7a569098667, < 3697e37e012bbd2bb5a5b467689811ba097b2eff; >= 7cfae8627511361f90a1a22dfae556c3fbc5bd8d, < 975e73b9102d844a3dc3f091ad631c56145c8b4c; >= 671aaa17bd3153e25526934f92307169ce927b5e, < f80b34ebc579216407b128e9d155bfcae875c30f; >= 4393452e6c0c027971ec9bcc9557f52e63db3f0a, < 46d44a23a3723a89deeb65b13cddb17f8d9f2700; >= 41d731e7920387ea13e2fb440a1e235686faeeb9, < c377ba2be9430d165a98e4b782902ed630bc7546; >= fd1ef3b1bdd3fec683ebd19eb3acc6a2cb60b5c6, < 0ddfe8b127ef1149fddccb79db6e6eaba7738e7d; >= 1a82d19ca2d6835904ee71e2d40fd331098f94a0, < d5dc09ee5d74277bc47193fe28ce8703e229331b; >= 1a82d19ca2d6835904ee71e2d40fd331098f94a0, < f4e4e0c4bc4d799d6fa39055acdbc3af066cd13e; >= 1a82d19ca2d6835904ee71e2d40fd331098f94a0, < 5a40f8af2ba1b9bdf46e2db10e8c9710538fbc63; 227a829c9067bf03b1967e7e0b1a6777fd57edef; >= 5.4.291, < 5.4.297; >= 5.10.235, < 5.10.241; >= 5.15.179, < 5.15.190; >= 6.1.131, < 6.1.148; >= 6.6.83, < 6.6.102; >= 6.12.19, < 6.12.42; >= 6.13.7, < 6.14 |
| Linux | Linux | 6.14 |
References
- https://git.kernel.org/stable/c/0ddfe8b127ef1149fddccb79db6e6eaba7738e7dPatch
- https://git.kernel.org/stable/c/3697e37e012bbd2bb5a5b467689811ba097b2effPatch
- https://git.kernel.org/stable/c/46d44a23a3723a89deeb65b13cddb17f8d9f2700Patch
- https://git.kernel.org/stable/c/5a40f8af2ba1b9bdf46e2db10e8c9710538fbc63Patch
- https://git.kernel.org/stable/c/975e73b9102d844a3dc3f091ad631c56145c8b4cPatch
- https://git.kernel.org/stable/c/c377ba2be9430d165a98e4b782902ed630bc7546Patch
- https://git.kernel.org/stable/c/d5dc09ee5d74277bc47193fe28ce8703e229331bPatch
- https://git.kernel.org/stable/c/f4e4e0c4bc4d799d6fa39055acdbc3af066cd13ePatch
- https://git.kernel.org/stable/c/f80b34ebc579216407b128e9d155bfcae875c30fPatch
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlMailing List, Third Party Advisory
Timeline
- Published
- Aug 19, 2025
- Last modified
- Nov 5, 2026
- NVD status
- Analyzed