{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-38683", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:24.032Z", "datePublished": "2025-09-04T15:32:38.215Z", "dateUpdated": "2025-09-29T05:55:54.951Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-09-29T05:55:54.951Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhv_netvsc: Fix panic during namespace deletion with VF\n\nThe existing code move the VF NIC to new namespace when NETDEV_REGISTER is\nreceived on netvsc NIC. During deletion of the namespace,\ndefault_device_exit_batch() >> default_device_exit_net() is called. When\nnetvsc NIC is moved back and registered to the default namespace, it\nautomatically brings VF NIC back to the default namespace. This will cause\nthe default_device_exit_net() >> for_each_netdev_safe loop unable to detect\nthe list end, and hit NULL ptr:\n\n[ 231.449420] mana 7870:00:00.0 enP30832s1: Moved VF to namespace with: eth0\n[ 231.449656] BUG: kernel NULL pointer dereference, address: 0000000000000010\n[ 231.450246] #PF: supervisor read access in kernel mode\n[ 231.450579] #PF: error_code(0x0000) - not-present page\n[ 231.450916] PGD 17b8a8067 P4D 0\n[ 231.451163] Oops: Oops: 0000 [#1] SMP NOPTI\n[ 231.451450] CPU: 82 UID: 0 PID: 1394 Comm: kworker/u768:1 Not tainted 6.16.0-rc4+ #3 VOLUNTARY\n[ 231.452042] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI Release v4.1 11/21/2024\n[ 231.452692] Workqueue: netns cleanup_net\n[ 231.452947] RIP: 0010:default_device_exit_batch+0x16c/0x3f0\n[ 231.453326] Code: c0 0c f5 b3 e8 d5 db fe ff 48 85 c0 74 15 48 c7 c2 f8 fd ca b2 be 10 00 00 00 48 8d 7d c0 e8 7b 77 25 00 49 8b 86 28 01 00 00 <48> 8b 50 10 4c 8b 2a 4c 8d 62 f0 49 83 ed 10 4c 39 e0 0f 84 d6 00\n[ 231.454294] RSP: 0018:ff75fc7c9bf9fd00 EFLAGS: 00010246\n[ 231.454610] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 61c8864680b583eb\n[ 231.455094] RDX: ff1fa9f71462d800 RSI: ff75fc7c9bf9fd38 RDI: 0000000030766564\n[ 231.455686] RBP: ff75fc7c9bf9fd78 R08: 0000000000000000 R09: 0000000000000000\n[ 231.456126] R10: 0000000000000001 R11: 0000000000000004 R12: ff1fa9f70088e340\n[ 231.456621] R13: ff1fa9f70088e340 R14: ffffffffb3f50c20 R15: ff1fa9f7103e6340\n[ 231.457161] FS: 0000000000000000(0000) GS:ff1faa6783a08000(0000) knlGS:0000000000000000\n[ 231.457707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 231.458031] CR2: 0000000000000010 CR3: 0000000179ab2006 CR4: 0000000000b73ef0\n[ 231.458434] Call Trace:\n[ 231.458600] <TASK>\n[ 231.458777] ops_undo_list+0x100/0x220\n[ 231.459015] cleanup_net+0x1b8/0x300\n[ 231.459285] process_one_work+0x184/0x340\n\nTo fix it, move the ns change to a workqueue, and take rtnl_lock to avoid\nchanging the netdev list when default_device_exit_net() is using it."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/hyperv/hyperv_net.h", "drivers/net/hyperv/netvsc_drv.c"], "versions": [{"version": "3eb6aa870057da9f1304db660f68b9c2eb7e856d", "lessThan": "3ca41ab55d23a0aa71661a5a56a8f06c11db90dc", "status": "affected", "versionType": "git"}, {"version": "b7a396f76ada277d049558db648389456458af65", "lessThan": "3467c4ebb334658c6fcf3eabb64a6e8b2135e010", "status": "affected", "versionType": "git"}, {"version": "4faa6e3e66b3251eb4bf5761d2f3f0f14095aaca", "lessThan": "4eff1e57a8ef98d70451b94e8437e458b27dd234", "status": "affected", "versionType": "git"}, {"version": "62c85b9a0dd7471a362170323e1211ad98ff7b4b", "lessThan": "2a70cbd1aef8b8be39992ab7b776ce1390091774", "status": "affected", "versionType": "git"}, {"version": "4c262801ea60c518b5bebc22a09f5b78b3147da2", "lessThan": "d036104947176d030bec64792d54e1b4f4c7f318", "status": "affected", "versionType": "git"}, {"version": "4c262801ea60c518b5bebc22a09f5b78b3147da2", "lessThan": "5276896e6923ebe8c68573779d784aaf7d987cce", "status": "affected", "versionType": "git"}, {"version": "4c262801ea60c518b5bebc22a09f5b78b3147da2", "lessThan": "4293f6c5ccf735b26afeb6825def14d830e0367b", "status": "affected", "versionType": "git"}, {"version": "4c262801ea60c518b5bebc22a09f5b78b3147da2", "lessThan": "33caa208dba6fa639e8a92fd0c8320b652e5550c", "status": "affected", "versionType": "git"}, {"version": "7abd221a55a61b6b2bf0e80f850bfc0ae75c7e01", "status": "affected", "versionType": "git"}, {"version": "31a38a908c98aebc7a1104dab5f1ba199f234b7b", "status": "affected", "versionType": "git"}, {"version": "04d748d4bd2d86739b159563f257e3dc5492c88d", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/hyperv/hyperv_net.h", "drivers/net/hyperv/netvsc_drv.c"], "versions": [{"version": "6.12", "status": "affected"}, {"version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.241", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.190", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.149", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.103", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.43", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.11", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16.2", "lessThanOrEqual": "6.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.229", "versionEndExcluding": "5.10.241"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.170", "versionEndExcluding": "5.15.190"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.115", "versionEndExcluding": "6.1.149"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.59", "versionEndExcluding": "6.6.103"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.12.43"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.15.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.16.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19.323"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4.285"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11.6"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3ca41ab55d23a0aa71661a5a56a8f06c11db90dc"}, {"url": "https://git.kernel.org/stable/c/3467c4ebb334658c6fcf3eabb64a6e8b2135e010"}, {"url": "https://git.kernel.org/stable/c/4eff1e57a8ef98d70451b94e8437e458b27dd234"}, {"url": "https://git.kernel.org/stable/c/2a70cbd1aef8b8be39992ab7b776ce1390091774"}, {"url": "https://git.kernel.org/stable/c/d036104947176d030bec64792d54e1b4f4c7f318"}, {"url": "https://git.kernel.org/stable/c/5276896e6923ebe8c68573779d784aaf7d987cce"}, {"url": "https://git.kernel.org/stable/c/4293f6c5ccf735b26afeb6825def14d830e0367b"}, {"url": "https://git.kernel.org/stable/c/33caa208dba6fa639e8a92fd0c8320b652e5550c"}], "title": "hv_netvsc: Fix panic during namespace deletion with VF", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhv_netvsc: Fix panic during namespace deletion with VF\n\nThe existing code move the VF NIC to new namespace when NETDEV_REGISTER is\nreceived on netvsc NIC. During deletion of the namespace,\ndefault_device_exit_batch() >> default_device_exit_net() is called. When\nnetvsc NIC is moved back and registered to the default namespace, it\nautomatically brings VF NIC back to the default namespace. This will cause\nthe default_device_exit_net() >> for_each_netdev_safe loop unable to detect\nthe list end, and hit NULL ptr:\n\n[ 231.449420] mana 7870:00:00.0 enP30832s1: Moved VF to namespace with: eth0\n[ 231.449656] BUG: kernel NULL pointer dereference, address: 0000000000000010\n[ 231.450246] #PF: supervisor read access in kernel mode\n[ 231.450579] #PF: error_code(0x0000) - not-present page\n[ 231.450916] PGD 17b8a8067 P4D 0\n[ 231.451163] Oops: Oops: 0000 [#1] SMP NOPTI\n[ 231.451450] CPU: 82 UID: 0 PID: 1394 Comm: kworker/u768:1 Not tainted 6.16.0-rc4+ #3 VOLUNTARY\n[ 231.452042] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI Release v4.1 11/21/2024\n[ 231.452692] Workqueue: netns cleanup_net\n[ 231.452947] RIP: 0010:default_device_exit_batch+0x16c/0x3f0\n[ 231.453326] Code: c0 0c f5 b3 e8 d5 db fe ff 48 85 c0 74 15 48 c7 c2 f8 fd ca b2 be 10 00 00 00 48 8d 7d c0 e8 7b 77 25 00 49 8b 86 28 01 00 00 <48> 8b 50 10 4c 8b 2a 4c 8d 62 f0 49 83 ed 10 4c 39 e0 0f 84 d6 00\n[ 231.454294] RSP: 0018:ff75fc7c9bf9fd00 EFLAGS: 00010246\n[ 231.454610] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 61c8864680b583eb\n[ 231.455094] RDX: ff1fa9f71462d800 RSI: ff75fc7c9bf9fd38 RDI: 0000000030766564\n[ 231.455686] RBP: ff75fc7c9bf9fd78 R08: 0000000000000000 R09: 0000000000000000\n[ 231.456126] R10: 0000000000000001 R11: 0000000000000004 R12: ff1fa9f70088e340\n[ 231.456621] R13: ff1fa9f70088e340 R14: ffffffffb3f50c20 R15: ff1fa9f7103e6340\n[ 231.457161] FS: 0000000000000000(0000) GS:ff1faa6783a08000(0000) knlGS:0000000000000000\n[ 231.457707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 231.458031] CR2: 0000000000000010 CR3: 0000000179ab2006 CR4: 0000000000b73ef0\n[ 231.458434] Call Trace:\n[ 231.458600] <TASK>\n[ 231.458777] ops_undo_list+0x100/0x220\n[ 231.459015] cleanup_net+0x1b8/0x300\n[ 231.459285] process_one_work+0x184/0x340\n\nTo fix it, move the ns change to a workqueue, and take rtnl_lock to avoid\nchanging the netdev list when default_device_exit_net() is using it."}], "id": "CVE-2025-38683", "lastModified": "2025-09-05T17:47:24.833", "metrics": {}, "published": "2025-09-04T16:15:36.047", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2a70cbd1aef8b8be39992ab7b776ce1390091774"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/33caa208dba6fa639e8a92fd0c8320b652e5550c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3467c4ebb334658c6fcf3eabb64a6e8b2135e010"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3ca41ab55d23a0aa71661a5a56a8f06c11db90dc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4293f6c5ccf735b26afeb6825def14d830e0367b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4eff1e57a8ef98d70451b94e8437e458b27dd234"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5276896e6923ebe8c68573779d784aaf7d987cce"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d036104947176d030bec64792d54e1b4f4c7f318"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: hv_netvsc: Fix panic during namespace deletion with VF", "id": "2393176", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2393176"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-38683", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-09-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38683\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38683\nhttps://lore.kernel.org/linux-cve-announce/2025090446-CVE-2025-38683-573c@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-09-05T14:02:48.521681+00:00", "updated": "2025-09-05T14:02:48.521736+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}