276 lines
14 KiB
JSON
276 lines
14 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-2024-56715",
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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": "2024-12-27T15:00:39.857Z",
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"datePublished": "2024-12-29T08:48:48.433Z",
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"dateUpdated": "2026-08-05T11:46:13.550Z"
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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": "2026-08-05T11:46:13.550Z"
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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\nionic: Fix netdev notifier unregister on failure\n\nIf register_netdev() fails, then the driver leaks the netdev notifier.\nFix this by calling ionic_lif_unregister() on register_netdev()\nfailure. This will also call ionic_lif_unregister_phc() if it has\nalready been registered."
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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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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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:L - Both the creation of the dangling notifier (a local PCI driver probe of a Pensando/AMD ionic NIC) and the dereference (a local netdev event such as network-namespace creation) occur entirely on the local system; no network packet or remote peer data reaches this path.\nAC:L - Once probe has failed and left `ionic->nb` on `netdev_chain`, the freed-memory dereference is deterministic and infinitely repeatable — every `unshare -Urn`, container start, or `ip link` event walks the chain, with no race to win and no unpredictable memory layout required.\nPR:L - Reaching the dangling notifier requires no privilege beyond an ordinary local user: creating a network namespace via an unprivileged user namespace registers `lo` and fires `call_netdevice_notifiers(NETDEV_REGISTER)`, and the same user can groom the freed `struct ionic` region (kernel-stack/vmalloc and slab reclaim) to control the values read back.\nUI:N - No action by any victim user or administrator is needed at exploitation time; the attacker triggers the notifier chain walk himself through ordinary namespace or interface operations.\nS:U - The use-after-free corrupts kernel memory and hijacks control flow within the same kernel security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - `notifier_call_chain()` reads `nb->next` and `nb->notifier_call` from the freed `struct ionic`, and the surviving `ionic_lif_notify()` callback further dereferences the stale `ionic`/`lif` pointers, so a reclaimed and attacker-shaped allocation yields an arbitrary kernel-read primitive.\nI:H - The chain walk performs `nb->notifier_call(nb, val, v)` on a function pointer loaded from freed memory — a direct indirect-call/control-flow-hijack primitive — and the corrupted `nb->next` linkage additionally lets a later `raw_notifier_chain_unregister()` write through attacker-influenced pointers.\nA:H - After a failed ionic probe the machine is left one netdev event away from an oops or panic in `notifier_call_chain()`, and any unprivileged user can force that crash on demand and repeatedly."
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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/pensando/ionic/ionic_lif.c"
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],
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"versions": [
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{
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"version": "30b87ab4c0b30e0f681cb7dfaab6c642dd17e454",
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"lessThan": "87847938f5708b2509b279369c96572254bcf2ba",
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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": "30b87ab4c0b30e0f681cb7dfaab6c642dd17e454",
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"lessThan": "da93a12876f8b969df7316dc93aac7e725f88252",
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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": "30b87ab4c0b30e0f681cb7dfaab6c642dd17e454",
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"lessThan": "da5736f516a664a9e1ff74902663c64c423045d2",
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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": "30b87ab4c0b30e0f681cb7dfaab6c642dd17e454",
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"lessThan": "ee2e931b2b46de9af7f681258e8ec8e2cd81cfc6",
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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": "30b87ab4c0b30e0f681cb7dfaab6c642dd17e454",
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"lessThan": "9590d32e090ea2751e131ae5273859ca22f5ac14",
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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/pensando/ionic/ionic_lif.c"
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],
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"versions": [
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{
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"version": "5.10",
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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": "5.10",
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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": "5.15.176",
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"lessThanOrEqual": "5.15.*",
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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": "6.1.122",
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"lessThanOrEqual": "6.1.*",
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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": "6.6.68",
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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": "6.12.7",
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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",
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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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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.10",
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"versionEndExcluding": "5.15.176"
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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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"versionEndExcluding": "6.1.122"
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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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": "5.10",
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"versionEndExcluding": "6.13"
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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/87847938f5708b2509b279369c96572254bcf2ba"
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},
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{
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"url": "https://git.kernel.org/stable/c/da93a12876f8b969df7316dc93aac7e725f88252"
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},
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{
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"url": "https://git.kernel.org/stable/c/da5736f516a664a9e1ff74902663c64c423045d2"
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},
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{
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"url": "https://git.kernel.org/stable/c/ee2e931b2b46de9af7f681258e8ec8e2cd81cfc6"
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},
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{
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"url": "https://git.kernel.org/stable/c/9590d32e090ea2751e131ae5273859ca22f5ac14"
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}
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],
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"title": "ionic: Fix netdev notifier unregister on failure",
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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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"adp": [
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{
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"metrics": [
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{
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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 5.5,
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"attackVector": "LOCAL",
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"integrityImpact": "NONE",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"confidentialityImpact": "NONE"
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}
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},
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2024-56715",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2025-10-01T19:58:37.829177Z"
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}
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}
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-401",
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"description": "CWE-401 Missing Release of Memory after Effective Lifetime"
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}
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]
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2025-10-01T20:07:06.875Z"
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}
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},
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{
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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
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}
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],
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2025-11-03T20:53:03.632Z"
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}
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}
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]
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}
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} |