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CVE-2025-38569benet: fix BUG when creating VFs

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.

Timeline

  1. ID reserved

    By Linux

  2. · 4 months later

    Published

  3. · 15 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2025-38569, by who scored it
Scored byCVSSScoreVector
NVDNVD · Analyzed3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.19% · top 91% of all CVEs (14 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Affected products

  • Linux · Linux

    • affected 797bb9439c0489bbea4b8808297ec7a569098667 – < 3697e37e012bbd2bb5a5b467689811ba097b2eff
    • affected 7cfae8627511361f90a1a22dfae556c3fbc5bd8d – < 975e73b9102d844a3dc3f091ad631c56145c8b4c
    • affected 671aaa17bd3153e25526934f92307169ce927b5e – < f80b34ebc579216407b128e9d155bfcae875c30f
    • affected 4393452e6c0c027971ec9bcc9557f52e63db3f0a – < 46d44a23a3723a89deeb65b13cddb17f8d9f2700
    • affected 41d731e7920387ea13e2fb440a1e235686faeeb9 – < c377ba2be9430d165a98e4b782902ed630bc7546
    • affected fd1ef3b1bdd3fec683ebd19eb3acc6a2cb60b5c6 – < 0ddfe8b127ef1149fddccb79db6e6eaba7738e7d
    • affected 1a82d19ca2d6835904ee71e2d40fd331098f94a0 – < d5dc09ee5d74277bc47193fe28ce8703e229331b
    • affected 1a82d19ca2d6835904ee71e2d40fd331098f94a0 – < f4e4e0c4bc4d799d6fa39055acdbc3af066cd13e
    • affected 1a82d19ca2d6835904ee71e2d40fd331098f94a0 – < 5a40f8af2ba1b9bdf46e2db10e8c9710538fbc63
    • affected 227a829c9067bf03b1967e7e0b1a6777fd57edef
    • affected 5.4.291 – < 5.4.297
    • affected 5.10.235 – < 5.10.241
    • affected 5.15.179 – < 5.15.190
    • affected 6.1.131 – < 6.1.148
    • affected 6.6.83 – < 6.6.102
    • affected 6.12.19 – < 6.12.42
    • affected 6.13.7 – < 6.14

  • Linux · Linux

    • affected 6.14
    • unaffected < 6.14
    • unaffected 5.4.297 – ≤ 5.4.*
    • unaffected 5.10.241 – ≤ 5.10.*
    • unaffected 5.15.190 – ≤ 5.15.*
    • unaffected 6.1.148 – ≤ 6.1.*
    • unaffected 6.6.102 – ≤ 6.6.*
    • unaffected 6.12.42 – ≤ 6.12.*
    • unaffected 6.15.10 – ≤ 6.15.*
    • unaffected 6.16.1 – ≤ 6.16.*
    • unaffected 6.17 – ≤ *

References

References11

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .