191 lines
10 KiB
JSON
191 lines
10 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-2026-53214",
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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": "2026-06-09T07:44:35.392Z",
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"datePublished": "2026-06-25T08:39:18.209Z",
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"dateUpdated": "2026-06-25T08:39:18.209Z"
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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": "2026-06-25T08:39:18.209Z"
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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 a potential NPD in cleanup_prefix_route()\n\naddrconf_get_prefix_route() can return the fib6_null_entry sentinel\nentry which has a NULL fib6_table pointer. Therefore, before setting the\nroute's expiration time, check that we are not working with this entry,\nas otherwise a NPD will be triggered [1].\n\nNote that the other callers of addrconf_get_prefix_route() are not\nsusceptible to this bug:\n\n1. addrconf_prefix_rcv(): Requests a route with the 'RTF_ADDRCONF |\n RTF_PREFIX_RT' flags which are not set on fib6_null_entry.\n\n2. modify_prefix_route(): Fixed by commit a747e02430df (\"ipv6: avoid\n possible NULL deref in modify_prefix_route()\").\n\n3. __ipv6_ifa_notify(): Calls ip6_del_rt() which specifically checks for\n fib6_null_entry and returns an error.\n\n[1]\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN\nKASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]\n[...]\nCall Trace:\n<TASK>\n__kasan_check_byte (mm/kasan/common.c:573)\nlock_acquire.part.0 (kernel/locking/lockdep.c:5842 (discriminator 1))\n_raw_spin_lock_bh (kernel/locking/spinlock.c:182 (discriminator 1))\ncleanup_prefix_route (net/ipv6/addrconf.c:1280)\nipv6_del_addr (net/ipv6/addrconf.c:1342)\ninet6_addr_del.isra.0 (net/ipv6/addrconf.c:3119)\ninet6_rtm_deladdr (net/ipv6/addrconf.c:4812)\nrtnetlink_rcv_msg (net/core/rtnetlink.c:6997)\nnetlink_rcv_skb (net/netlink/af_netlink.c:2555)\nnetlink_unicast (net/netlink/af_netlink.c:1344)\nnetlink_sendmsg (net/netlink/af_netlink.c:1899)\n__sock_sendmsg (net/socket.c:802 (discriminator 4))\n____sys_sendmsg (net/socket.c:2698)\n___sys_sendmsg (net/socket.c:2752)\n__sys_sendmsg (net/socket.c:2784)\ndo_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)\nentry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)"
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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/addrconf.c"
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],
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"versions": [
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{
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"version": "bd12abe294c7738421bdfbc486f1909d02db30e9",
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"lessThan": "5f82b02b4059ddc06e4fcfd057bfb59fd6885cd2",
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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": "5eb902b8e7193cdcb33242af0a56502e6b5206e9",
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"lessThan": "192df376a05c2db15564640f9da7e20907c1fa24",
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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": "5eb902b8e7193cdcb33242af0a56502e6b5206e9",
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"lessThan": "07d9a0870a178843cea44cfd58c27445dc94cf5f",
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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": "5eb902b8e7193cdcb33242af0a56502e6b5206e9",
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"lessThan": "653a2849305708f75260b5296f17b2a759ff9cc7",
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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": "5eb902b8e7193cdcb33242af0a56502e6b5206e9",
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"lessThan": "b70c687b7cf267fb08586667a3946c8851cad672",
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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": "6.6.120",
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"lessThan": "6.6.143",
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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/addrconf.c"
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],
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"versions": [
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{
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"version": "6.9",
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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": "6.9",
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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": "6.6.143",
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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": "6.12.94",
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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": "6.18.36",
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"lessThanOrEqual": "6.18.*",
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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": "7.0.13",
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"lessThanOrEqual": "7.0.*",
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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": "7.1",
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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": "6.6.120",
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"versionEndExcluding": "6.6.143"
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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": "6.9",
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"versionEndExcluding": "6.12.94"
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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": "6.9",
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"versionEndExcluding": "6.18.36"
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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": "6.9",
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"versionEndExcluding": "7.0.13"
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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": "6.9",
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"versionEndExcluding": "7.1"
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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/5f82b02b4059ddc06e4fcfd057bfb59fd6885cd2"
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},
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{
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"url": "https://git.kernel.org/stable/c/192df376a05c2db15564640f9da7e20907c1fa24"
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},
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{
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"url": "https://git.kernel.org/stable/c/07d9a0870a178843cea44cfd58c27445dc94cf5f"
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},
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{
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"url": "https://git.kernel.org/stable/c/653a2849305708f75260b5296f17b2a759ff9cc7"
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},
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{
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"url": "https://git.kernel.org/stable/c/b70c687b7cf267fb08586667a3946c8851cad672"
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}
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],
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"title": "ipv6: Fix a potential NPD in cleanup_prefix_route()",
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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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} |