{"id":"CVE-2025-38569","title":"benet: fix BUG when creating VFs","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nbenet: fix BUG when creating VFs\n\nbenet crashes as soon as SRIOV VFs are created:\n\n kernel BUG at mm/vmalloc.c:3457!\n Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI\n C…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 797bb9439c0489bbea4b8808297ec7a569098667 < 3697e37e012bbd2bb5a5b467689811ba097b2eff","Linux >= 7cfae8627511361f90a1a22dfae556c3fbc5bd8d < 975e73b9102d844a3dc3f091ad631c56145c8b4c","Linux >= 671aaa17bd3153e25526934f92307169ce927b5e < f80b34ebc579216407b128e9d155bfcae875c30f","Linux >= 4393452e6c0c027971ec9bcc9557f52e63db3f0a < 46d44a23a3723a89deeb65b13cddb17f8d9f2700","Linux >= 41d731e7920387ea13e2fb440a1e235686faeeb9 < c377ba2be9430d165a98e4b782902ed630bc7546","Linux >= fd1ef3b1bdd3fec683ebd19eb3acc6a2cb60b5c6 < 0ddfe8b127ef1149fddccb79db6e6eaba7738e7d","Linux >= 1a82d19ca2d6835904ee71e2d40fd331098f94a0 < d5dc09ee5d74277bc47193fe28ce8703e229331b","Linux >= 1a82d19ca2d6835904ee71e2d40fd331098f94a0 < f4e4e0c4bc4d799d6fa39055acdbc3af066cd13e","Linux >= 1a82d19ca2d6835904ee71e2d40fd331098f94a0 < 5a40f8af2ba1b9bdf46e2db10e8c9710538fbc63","Linux 227a829c9067bf03b1967e7e0b1a6777fd57edef","Linux >= 5.4.291 < 5.4.297","Linux >= 5.10.235 < 5.10.241","Linux >= 5.15.179 < 5.15.190","Linux >= 6.1.131 < 6.1.148","Linux >= 6.6.83 < 6.6.102","Linux >= 6.12.19 < 6.12.42","Linux >= 6.13.7 < 6.14","Linux 6.14"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T21:04:11.258637Z"},"published":"2025-08-19","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:12:47.562Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-38569","references":[{"url":"https://git.kernel.org/stable/c/3697e37e012bbd2bb5a5b467689811ba097b2eff"},{"url":"https://git.kernel.org/stable/c/975e73b9102d844a3dc3f091ad631c56145c8b4c"},{"url":"https://git.kernel.org/stable/c/f80b34ebc579216407b128e9d155bfcae875c30f"},{"url":"https://git.kernel.org/stable/c/46d44a23a3723a89deeb65b13cddb17f8d9f2700"},{"url":"https://git.kernel.org/stable/c/c377ba2be9430d165a98e4b782902ed630bc7546"},{"url":"https://git.kernel.org/stable/c/0ddfe8b127ef1149fddccb79db6e6eaba7738e7d"},{"url":"https://git.kernel.org/stable/c/d5dc09ee5d74277bc47193fe28ce8703e229331b"},{"url":"https://git.kernel.org/stable/c/f4e4e0c4bc4d799d6fa39055acdbc3af066cd13e"},{"url":"https://git.kernel.org/stable/c/5a40f8af2ba1b9bdf46e2db10e8c9710538fbc63"}],"tags":["cve.org"],"epss":0.00183,"epssPercentile":0.079,"ingestedAt":"2026-11-05T22:38:31.995Z","slug":"CVE-2025-38569","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nbenet: fix BUG when creating VFs\n\nbenet crashes as soon as SRIOV VFs are created:\n\n kernel BUG at mm/vmalloc.c:3457!\n Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI\n CPU: 4 UID: 0 PID: 7408 Comm: test.sh Kdump: loaded Not tainted 6.16.0+ #1 PREEMPT(voluntary)\n [...]\n RIP: 0010:vunmap+0x5f/0x70\n [...]\n Call Trace:\n  <TASK>\n  __iommu_dma_free+0xe8/0x1c0\n  be_cmd_set_mac_list+0x3fe/0x640 [be2net]\n  be_cmd_set_mac+0xaf/0x110 [be2net]\n  be_vf_eth_addr_config+0x19f/0x330 [be2net]\n  be_vf_setup+0x4f7/0x990 [be2net]\n  be_pci_sriov_configure+0x3a1/0x470 [be2net]\n  sriov_numvfs_store+0x20b/0x380\n  kernfs_fop_write_iter+0x354/0x530\n  vfs_write+0x9b9/0xf60\n  ksys_write+0xf3/0x1d0\n  do_syscall_64+0x8c/0x3d0\n\nbe_cmd_set_mac_list() calls dma_free_coherent() under a spin_lock_bh.\nFix it by freeing only after the lock has been released.\n\n## Affected\n\n- `Linux >= 797bb9439c0489bbea4b8808297ec7a569098667 < 3697e37e012bbd2bb5a5b467689811ba097b2eff`\n- `Linux >= 7cfae8627511361f90a1a22dfae556c3fbc5bd8d < 975e73b9102d844a3dc3f091ad631c56145c8b4c`\n- `Linux >= 671aaa17bd3153e25526934f92307169ce927b5e < f80b34ebc579216407b128e9d155bfcae875c30f`\n- `Linux >= 4393452e6c0c027971ec9bcc9557f52e63db3f0a < 46d44a23a3723a89deeb65b13cddb17f8d9f2700`\n- `Linux >= 41d731e7920387ea13e2fb440a1e235686faeeb9 < c377ba2be9430d165a98e4b782902ed630bc7546`\n- `Linux >= fd1ef3b1bdd3fec683ebd19eb3acc6a2cb60b5c6 < 0ddfe8b127ef1149fddccb79db6e6eaba7738e7d`\n- `Linux >= 1a82d19ca2d6835904ee71e2d40fd331098f94a0 < d5dc09ee5d74277bc47193fe28ce8703e229331b`\n- `Linux >= 1a82d19ca2d6835904ee71e2d40fd331098f94a0 < f4e4e0c4bc4d799d6fa39055acdbc3af066cd13e`\n- `Linux >= 1a82d19ca2d6835904ee71e2d40fd331098f94a0 < 5a40f8af2ba1b9bdf46e2db10e8c9710538fbc63`\n- `Linux 227a829c9067bf03b1967e7e0b1a6777fd57edef`\n- `Linux >= 5.4.291 < 5.4.297`\n- `Linux >= 5.10.235 < 5.10.241`\n- `Linux >= 5.15.179 < 5.15.190`\n- `Linux >= 6.1.131 < 6.1.148`\n- `Linux >= 6.6.83 < 6.6.102`\n- `Linux >= 6.12.19 < 6.12.42`\n- `Linux >= 6.13.7 < 6.14`\n- `Linux 6.14`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}