201 lines
11 KiB
JSON
201 lines
11 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2025-37755",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-04-16T04:51:23.938Z",
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"datePublished": "2025-05-01T12:55:59.499Z",
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"dateUpdated": "2026-08-05T11:57:18.092Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-08-05T11:57:18.092Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: libwx: handle page_pool_dev_alloc_pages error\n\npage_pool_dev_alloc_pages could return NULL. There was a WARN_ON(!page)\nbut it would still proceed to use the NULL pointer and then crash.\n\nThis is similar to commit 001ba0902046\n(\"net: fec: handle page_pool_dev_alloc_pages error\").\n\nThis is found by our static analysis tool KNighter."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"baseScore": 7.5,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:N - The vulnerable RX-buffer refill runs in the NIC's NAPI poll path (`wx_poll` → `wx_clean_rx_irq` → `wx_alloc_rx_buffers`), driven entirely by packets received from the wire on internet-facing ngbe/txgbe interfaces. A remote attacker reaches the code by sending traffic, with no local access required.\nAC:L - The trigger is a page-pool allocation failure, which a remote attacker can reliably induce by flooding the interface to force continuous ring refill and drive memory demand; the analogous fec bug was reproduced this way via ordinary network activity under memory pressure. No unpredictable memory layout or victim-state precondition is involved.\nPR:N - The receive path processes packets before any authentication or authorization; the attacker needs no account, credentials, or capabilities on the target. Any host able to send frames to the NIC can drive the path.\nUI:N - Buffer refill happens automatically in softirq context whenever packets are received. No administrator or user action is needed on the victim system.\nS:U - The NULL dereference occurs in kernel context and its impact is confined to the same kernel security authority. No VM, IOMMU, or sandbox boundary is crossed.\nC:N - The fault is a read from a fixed NULL-page offset that immediately oopses; no attacker-controlled memory is read and no kernel data is returned to the attacker. There is no information-disclosure primitive.\nI:N - The bug is a NULL pointer dereference, not an out-of-bounds or use-after-free write; execution aborts at the faulting read before any bogus descriptor address can be programmed. No memory modification or control-flow hijack primitive is available.\nA:H - The dereference oopses in softirq/NAPI context, panicking the machine under panic_on_oops and otherwise killing the RX path and leaving the network stack unusable. This is a complete availability loss triggerable remotely without credentials."
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}
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]
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/net/ethernet/wangxun/libwx/wx_lib.c"
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],
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"versions": [
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{
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"version": "3c47e8ae113a68da47987750d9896e325d0aeedd",
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"lessThan": "c17ef974bfcf1a50818168b47c4606b425a957c4",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "3c47e8ae113a68da47987750d9896e325d0aeedd",
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"lessThan": "ad81d666e114ebf989fc9994d4c93d451dc60056",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "3c47e8ae113a68da47987750d9896e325d0aeedd",
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"lessThan": "1dd13c60348f515acd8c6f25a561b9c4e3b04fea",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "3c47e8ae113a68da47987750d9896e325d0aeedd",
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"lessThan": "90bec7cef8805f9a23145e070dff28a02bb584eb",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "3c47e8ae113a68da47987750d9896e325d0aeedd",
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"lessThan": "7f1ff1b38a7c8b872382b796023419d87d78c47e",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/net/ethernet/wangxun/libwx/wx_lib.c"
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],
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"versions": [
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{
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"version": "6.3",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.3",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.88",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.24",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.13.12",
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"lessThanOrEqual": "6.13.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.14.3",
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"lessThanOrEqual": "6.14.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.15",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.3",
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"versionEndExcluding": "6.6.88"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.3",
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"versionEndExcluding": "6.12.24"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.3",
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"versionEndExcluding": "6.13.12"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.3",
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"versionEndExcluding": "6.14.3"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.3",
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"versionEndExcluding": "6.15"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/c17ef974bfcf1a50818168b47c4606b425a957c4"
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},
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{
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"url": "https://git.kernel.org/stable/c/ad81d666e114ebf989fc9994d4c93d451dc60056"
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},
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{
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"url": "https://git.kernel.org/stable/c/1dd13c60348f515acd8c6f25a561b9c4e3b04fea"
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},
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{
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"url": "https://git.kernel.org/stable/c/90bec7cef8805f9a23145e070dff28a02bb584eb"
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},
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{
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"url": "https://git.kernel.org/stable/c/7f1ff1b38a7c8b872382b796023419d87d78c47e"
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}
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],
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"title": "net: libwx: handle page_pool_dev_alloc_pages error",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |