143 lines
8.9 KiB
JSON
143 lines
8.9 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-2025-38589",
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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": "2025-04-16T04:51:24.026Z",
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"datePublished": "2025-08-19T17:03:10.791Z",
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"dateUpdated": "2026-05-11T21:31:09.368Z"
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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": "2026-05-11T21:31:09.368Z"
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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\nneighbour: Fix null-ptr-deref in neigh_flush_dev().\n\nkernel test robot reported null-ptr-deref in neigh_flush_dev(). [0]\n\nThe cited commit introduced per-netdev neighbour list and converted\nneigh_flush_dev() to use it instead of the global hash table.\n\nOne thing we missed is that neigh_table_clear() calls neigh_ifdown()\nwith NULL dev.\n\nLet's restore the hash table iteration.\n\nNote that IPv6 module is no longer unloadable, so neigh_table_clear()\nis called only when IPv6 fails to initialise, which is unlikely to\nhappen.\n\n[0]:\nIPv6: Attempt to unregister permanent protocol 136\nIPv6: Attempt to unregister permanent protocol 17\nOops: general protection fault, probably for non-canonical address 0xdffffc00000001a0: 0000 [#1] SMP KASAN\nKASAN: null-ptr-deref in range [0x0000000000000d00-0x0000000000000d07]\nCPU: 1 UID: 0 PID: 1 Comm: systemd Tainted: G T 6.12.0-rc6-01246-gf7f52738637f #1\nTainted: [T]=RANDSTRUCT\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014\nRIP: 0010:neigh_flush_dev.llvm.6395807810224103582+0x52/0x570\nCode: c1 e8 03 42 8a 04 38 84 c0 0f 85 15 05 00 00 31 c0 41 83 3e 0a 0f 94 c0 48 8d 1c c3 48 81 c3 f8 0c 00 00 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 f7 49 93 fe 4c 8b 3b 4d 85 ff 0f\nRSP: 0000:ffff88810026f408 EFLAGS: 00010206\nRAX: 00000000000001a0 RBX: 0000000000000d00 RCX: 0000000000000000\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffc0631640\nRBP: ffff88810026f470 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000\nR13: ffffffffc0625250 R14: ffffffffc0631640 R15: dffffc0000000000\nFS: 00007f575cb83940(0000) GS:ffff8883aee00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f575db40008 CR3: 00000002bf936000 CR4: 00000000000406f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n __neigh_ifdown.llvm.6395807810224103582+0x44/0x390\n neigh_table_clear+0xb1/0x268\n ndisc_cleanup+0x21/0x38 [ipv6]\n init_module+0x2f5/0x468 [ipv6]\n do_one_initcall+0x1ba/0x628\n do_init_module+0x21a/0x530\n load_module+0x2550/0x2ea0\n __se_sys_finit_module+0x3d2/0x620\n __x64_sys_finit_module+0x76/0x88\n x64_sys_call+0x7ff/0xde8\n do_syscall_64+0xfb/0x1e8\n entry_SYSCALL_64_after_hwframe+0x67/0x6f\nRIP: 0033:0x7f575d6f2719\nCode: 08 89 e8 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b7 06 0d 00 f7 d8 64 89 01 48\nRSP: 002b:00007fff82a2a268 EFLAGS: 00000246 ORIG_RAX: 0000000000000139\nRAX: ffffffffffffffda RBX: 0000557827b45310 RCX: 00007f575d6f2719\nRDX: 0000000000000000 RSI: 00007f575d584efd RDI: 0000000000000004\nRBP: 00007f575d584efd R08: 0000000000000000 R09: 0000557827b47b00\nR10: 0000000000000004 R11: 0000000000000246 R12: 0000000000020000\nR13: 0000000000000000 R14: 0000557827b470e0 R15: 00007f575dbb4270\n </TASK>\nModules linked in: ipv6(+)"
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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": "f7f52738637f4361c108cad36e23ee98959a9006",
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"lessThan": "d9c4328795697ebc392a63fece3901999c09cddd",
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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": "f7f52738637f4361c108cad36e23ee98959a9006",
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"lessThan": "47fbd7f8df19bdfbe334ee83f35568c9a29221ae",
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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": "f7f52738637f4361c108cad36e23ee98959a9006",
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"lessThan": "1bbb76a899486827394530916f01214d049931b3",
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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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"net/core/neighbour.c"
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],
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"versions": [
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{
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"version": "6.13",
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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": "6.13",
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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": "6.15.10",
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"lessThanOrEqual": "6.15.*",
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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": "6.16.1",
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"lessThanOrEqual": "6.16.*",
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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": "6.17",
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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": "6.13",
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"versionEndExcluding": "6.15.10"
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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": "6.13",
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"versionEndExcluding": "6.16.1"
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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": "6.13",
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"versionEndExcluding": "6.17"
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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/d9c4328795697ebc392a63fece3901999c09cddd"
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},
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{
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"url": "https://git.kernel.org/stable/c/47fbd7f8df19bdfbe334ee83f35568c9a29221ae"
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},
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{
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"url": "https://git.kernel.org/stable/c/1bbb76a899486827394530916f01214d049931b3"
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}
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],
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"title": "neighbour: Fix null-ptr-deref in neigh_flush_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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}
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} |