335 lines
16 KiB
JSON
335 lines
16 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-2022-49904",
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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": "2025-05-01T14:05:17.245Z",
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"datePublished": "2025-05-01T14:10:48.998Z",
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"dateUpdated": "2026-05-23T15:23:11.729Z"
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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": "2026-05-23T15:23:11.729Z"
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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, neigh: Fix null-ptr-deref in neigh_table_clear()\n\nWhen IPv6 module gets initialized but hits an error in the middle,\nkenel panic with:\n\nKASAN: null-ptr-deref in range [0x0000000000000598-0x000000000000059f]\nCPU: 1 PID: 361 Comm: insmod\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996)\nRIP: 0010:__neigh_ifdown.isra.0+0x24b/0x370\nRSP: 0018:ffff888012677908 EFLAGS: 00000202\n...\nCall Trace:\n <TASK>\n neigh_table_clear+0x94/0x2d0\n ndisc_cleanup+0x27/0x40 [ipv6]\n inet6_init+0x21c/0x2cb [ipv6]\n do_one_initcall+0xd3/0x4d0\n do_init_module+0x1ae/0x670\n...\nKernel panic - not syncing: Fatal exception\n\nWhen ipv6 initialization fails, it will try to cleanup and calls:\n\nneigh_table_clear()\n neigh_ifdown(tbl, NULL)\n pneigh_queue_purge(&tbl->proxy_queue, dev_net(dev == NULL))\n # dev_net(NULL) triggers null-ptr-deref.\n\nFix it by passing NULL to pneigh_queue_purge() in neigh_ifdown() if dev\nis NULL, to make kernel not panic immediately."
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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/core/neighbour.c"
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],
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"versions": [
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{
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"version": "9bbaed571c4bf1b62ac8703cb359dc090efc3455",
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"lessThan": "0d38b4ca6679e72860ff8730e79bb99d0e9fa3b0",
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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": "05fdce1ae744dee43c9181fd063c9c0db4f777f2",
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"lessThan": "b736592de2aa53aee2d48d6b129bc0c892007bbe",
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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": "51be9dd391fd25872b95708a0250f2f7722d2d8e",
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"lessThan": "b49f6b2f21f543d4dc88fb7b1ec2adccb822f27c",
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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": "c35adafe42bd6c3bf2aca0a3f523dabc38fc23c8",
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"lessThan": "1c89642e7f2b7ecc9635610653f5c2f0276c0051",
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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": "db6fa03d80ab076238fc806c9925d1f8b9639d1b",
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"lessThan": "2b45d6d0c41cb9593868e476681efb1aae5078a1",
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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": "66ba215cb51323e4e55e38fd5f250e0fae0cbc94",
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"lessThan": "a99a8ec4c62180c889482a2ff6465033e0743458",
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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": "66ba215cb51323e4e55e38fd5f250e0fae0cbc94",
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"lessThan": "f8017317cb0b279b8ab98b0f3901a2e0ac880dad",
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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": "2dd5ed474115150d8175825bc3b56c6385c3a83b",
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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": "4.14.292",
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"lessThan": "4.14.299",
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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": "4.19.257",
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"lessThan": "4.19.265",
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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": "5.4.212",
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"lessThan": "5.4.224",
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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": "5.10.141",
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"lessThan": "5.10.154",
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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": "5.15.65",
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"lessThan": "5.15.78",
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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": "5.19.7",
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"lessThan": "5.20",
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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/core/neighbour.c"
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],
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"versions": [
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{
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"version": "6.0",
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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": "6.0",
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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": "4.14.299",
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"lessThanOrEqual": "4.14.*",
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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": "4.19.265",
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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": "5.4.224",
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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": "5.10.154",
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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": "5.15.78",
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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": "6.0.8",
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"lessThanOrEqual": "6.0.*",
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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",
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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": "4.14.292",
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"versionEndExcluding": "4.14.299"
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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": "4.19.257",
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"versionEndExcluding": "4.19.265"
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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": "5.4.212",
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"versionEndExcluding": "5.4.224"
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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": "5.10.141",
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"versionEndExcluding": "5.10.154"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.0",
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"versionEndExcluding": "6.0.8"
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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": "6.0",
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"versionEndExcluding": "6.1"
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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": "5.19.7"
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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/0d38b4ca6679e72860ff8730e79bb99d0e9fa3b0"
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},
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{
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"url": "https://git.kernel.org/stable/c/b736592de2aa53aee2d48d6b129bc0c892007bbe"
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},
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{
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"url": "https://git.kernel.org/stable/c/b49f6b2f21f543d4dc88fb7b1ec2adccb822f27c"
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},
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{
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"url": "https://git.kernel.org/stable/c/1c89642e7f2b7ecc9635610653f5c2f0276c0051"
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},
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{
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"url": "https://git.kernel.org/stable/c/2b45d6d0c41cb9593868e476681efb1aae5078a1"
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},
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{
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"url": "https://git.kernel.org/stable/c/a99a8ec4c62180c889482a2ff6465033e0743458"
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},
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{
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"url": "https://git.kernel.org/stable/c/f8017317cb0b279b8ab98b0f3901a2e0ac880dad"
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}
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],
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"title": "net, neigh: Fix null-ptr-deref in neigh_table_clear()",
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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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"problemTypes": [
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{
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"descriptions": [
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{
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"type": "CWE",
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"cweId": "CWE-476",
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"lang": "en",
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"description": "CWE-476 NULL Pointer Dereference"
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}
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]
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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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"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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"timestamp": "2025-10-01T16:01:29.450409Z",
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"id": "CVE-2022-49904",
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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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"role": "CISA Coordinator",
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"version": "2.0.3"
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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": "2025-10-01T16:01:32.063Z"
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}
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}
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]
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}
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} |