290 lines
14 KiB
JSON
290 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-2022-49048",
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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": "2025-02-26T01:49:39.242Z",
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"datePublished": "2025-02-26T01:54:24.115Z",
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"dateUpdated": "2026-10-15T21:21:06.401Z"
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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": "2026-08-05T08:53:35.698Z"
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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\nipv6: fix panic when forwarding a pkt with no in6 dev\n\nkongweibin reported a kernel panic in ip6_forward() when input interface\nhas no in6 dev associated.\n\nThe following tc commands were used to reproduce this panic:\ntc qdisc del dev vxlan100 root\ntc qdisc add dev vxlan100 root netem corrupt 5%"
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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 - ip6_forward runs on the IPv6 forwarding path (ipv6_rcv → ip6_rcv_finish → dst_input → ip6_forward) for packets received from the network; on an IPv6 router/gateway this is reachable by a remote peer sending packets through the host.\nAC:L - With IPv6 forwarding enabled (the realistic worst-case deployment for this code) and an ingress interface lacking in6_dev—an expected case the function already uses __in6_dev_get_safely for—an attacker can deterministically hit the disable_policy dereference by sending forwardable IPv6 packets, with no race outside their control.\nPR:N - IP forwarding processes unauthenticated packet data with no capability check or session; a remote peer on a path through the router needs no local credentials.\nUI:N - Crafted packets are handled automatically in softirq receive/forward context; no victim user or admin action is required beyond the host already acting as an IPv6 forwarder.\nS:U - The NULL dereference and resulting oops stay within the same host kernel authority; there is no VM escape, IOMMU bypass, or other cross-boundary impact.\nC:N - This is a pure NULL pointer dereference of idev->cnf.disable_policy with no out-of-bounds read, UAF, or other disclosure primitive.\nI:N - The fault is a NULL pointer read with no write, memory corruption, or control-flow hijack primitive beyond the ensuing oops.\nA:H - Dereferencing NULL idev causes a kernel oops/panic in the forwarding path, which is high availability impact and can be retriggered by further packets."
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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/ipv6/ip6_output.c"
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],
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"versions": [
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{
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"version": "bff0854e2f804f68d3e93d19e4580dbd69777e1d",
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"lessThan": "74b68f5249f16c5f7f675d0f604fa6ae20e3a151",
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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": "7f4848229e91d508102b30396b8a1b710ac23637",
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"lessThan": "ab2f5afb7af5c68389e8c7dd29e0a98fbeaaa435",
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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": "79ec7b5b2f4fe38e5c7459ed0bdff4ef3386ab63",
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"lessThan": "a263712ba8c9ded25dd9d2d5ced11bcea5b33a3e",
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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": "ccd27f05ae7b8ebc40af5b004e94517a919aa862",
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"lessThan": "adee01bbf6cb5b3e4ed08be8ff866aac90f13836",
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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": "ccd27f05ae7b8ebc40af5b004e94517a919aa862",
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"lessThan": "e69fb3de87a8923e5931a272a38fa3cceb01da44",
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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": "ccd27f05ae7b8ebc40af5b004e94517a919aa862",
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"lessThan": "e3fa461d8b0e185b7da8a101fe94dfe6dd500ac0",
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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": "350e10d217337480158b604bbf6601c50ed161c6",
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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": "4.19.199",
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"lessThan": "4.19.239",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.4.136",
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"lessThan": "5.4.190",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.10.54",
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"lessThan": "5.10.112",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.13.6",
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"lessThan": "5.14",
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"status": "affected",
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"versionType": "semver"
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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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"net/ipv6/ip6_output.c"
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],
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"versions": [
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{
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"version": "5.14",
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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": "5.14",
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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": "4.19.239",
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"lessThanOrEqual": "4.19.*",
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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": "5.4.190",
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"lessThanOrEqual": "5.4.*",
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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": "5.10.112",
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"lessThanOrEqual": "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": "5.15.35",
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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": "5.17.4",
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"lessThanOrEqual": "5.17.*",
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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": "5.18",
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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": "4.19.199",
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"versionEndExcluding": "4.19.239"
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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": "5.4.136",
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"versionEndExcluding": "5.4.190"
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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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/74b68f5249f16c5f7f675d0f604fa6ae20e3a151"
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},
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{
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"url": "https://git.kernel.org/stable/c/ab2f5afb7af5c68389e8c7dd29e0a98fbeaaa435"
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},
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{
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"url": "https://git.kernel.org/stable/c/a263712ba8c9ded25dd9d2d5ced11bcea5b33a3e"
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},
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{
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"url": "https://git.kernel.org/stable/c/adee01bbf6cb5b3e4ed08be8ff866aac90f13836"
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},
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{
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"url": "https://git.kernel.org/stable/c/e69fb3de87a8923e5931a272a38fa3cceb01da44"
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},
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{
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"url": "https://git.kernel.org/stable/c/e3fa461d8b0e185b7da8a101fe94dfe6dd500ac0"
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}
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],
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"title": "ipv6: fix panic when forwarding a pkt with no in6 dev",
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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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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2022-49048",
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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": "yes"
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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": "2026-10-15T21:06:06.258199Z"
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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": "2026-10-15T21:21:06.401Z"
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}
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}
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]
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}
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} |