303 lines
15 KiB
JSON
303 lines
15 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-2024-35857",
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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": "2024-05-17T13:50:33.106Z",
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"datePublished": "2024-05-17T14:47:32.763Z",
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"dateUpdated": "2026-08-05T11:30:21.903Z"
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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": "2026-08-05T11:30:21.903Z"
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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\nicmp: prevent possible NULL dereferences from icmp_build_probe()\n\nFirst problem is a double call to __in_dev_get_rcu(), because\nthe second one could return NULL.\n\nif (__in_dev_get_rcu(dev) && __in_dev_get_rcu(dev)->ifa_list)\n\nSecond problem is a read from dev->ip6_ptr with no NULL check:\n\nif (!list_empty(&rcu_dereference(dev->ip6_ptr)->addr_list))\n\nUse the correct RCU API to fix these.\n\nv2: add missing include <net/addrconf.h>"
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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 faulting code is reached directly from `icmp_rcv()`/`icmpv6_rcv()` on receipt of an RFC 8335 ICMP_EXT_ECHO (type 42) or ICMPV6_EXT_ECHO_REQUEST packet, so any remote host that can route a unicast IP packet to the target triggers it.\nAC:L - A single crafted ICMP packet is sufficient and the attacker fully chooses the target netdevice via the Interface Identification Object (by name, ifindex, or address); on CONFIG_IPV6=n, ipv6-disabled, or low-MTU-interface systems `dev->ip6_ptr` is unconditionally NULL, making the crash 100% deterministic with no race to win and no memory layout to groom.\nPR:N - The PROBE handler runs in softirq packet-receive context with no socket, no authentication, and no capability or credential check anywhere on the path from `ip_local_deliver()` to `icmp_build_probe()`.\nUI:N - The kernel processes the incoming ICMP Extended Echo Request autonomously in the receive path; no local user or administrator action is needed at attack time.\nS:U - The fault occurs in the kernel's own networking receive path and its impact is confined to the same kernel security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:N - The bug is a read-only dereference at a fixed small offset from NULL that oopses before any value is used; at most a single status bit could be reflected, yielding no kernel memory contents or address disclosure.\nI:N - There is no write primitive — only NULL-pointer loads (`list_empty(&NULL->addr_list)` and `NULL->ifa_list`) — so no kernel memory or control flow can be modified.\nA:H - The NULL dereference oopses in NET_RX softirq context, killing the softirq and panicking the box on `panic_on_oops` systems; an unauthenticated remote attacker can repeat it at will for a persistent remote denial of service."
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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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"net/ipv4/icmp.c"
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],
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"versions": [
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{
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"version": "d329ea5bd8845f0b196bf41b18b6173340d6e0e4",
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"lessThan": "23b7ee4a8d559bf38eac7ce5bb2f6ebf76f9c401",
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"status": "affected",
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"status": "affected",
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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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"net/ipv4/icmp.c"
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],
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"versions": [
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{
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"version": "5.13",
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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": "5.13",
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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": "5.15.158",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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},
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{
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"version": "6.1.90",
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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": "6.6.30",
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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": "6.8.9",
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"lessThanOrEqual": "6.8.*",
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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": "6.9",
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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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"references": [
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"url": "https://git.kernel.org/stable/c/23b7ee4a8d559bf38eac7ce5bb2f6ebf76f9c401"
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{
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}
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"title": "icmp: prevent possible NULL dereferences from icmp_build_probe()",
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"type": "CWE",
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"description": "CWE-476 NULL Pointer Dereference"
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"type": "ssvc",
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"content": {
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"timestamp": "2024-05-17T16:57:35.906301Z",
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"id": "CVE-2024-35857",
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"options": [
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