122 lines
7.3 KiB
JSON
122 lines
7.3 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-2025-68790",
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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": "2025-12-24T10:30:51.037Z",
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"datePublished": "2026-01-13T15:29:02.907Z",
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"dateUpdated": "2026-05-11T21:53:23.333Z"
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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": "2026-05-11T21:53:23.333Z"
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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/mlx5: Fix double unregister of HCA_PORTS component\n\nClear hca_devcom_comp in device's private data after unregistering it in\nLAG teardown. Otherwise a slightly lagging second pass through\nmlx5_unload_one() might try to unregister it again and trip over\nuse-after-free.\n\nOn s390 almost all PCI level recovery events trigger two passes through\nmxl5_unload_one() - one through the poll_health() method and one through\nmlx5_pci_err_detected() as callback from generic PCI error recovery.\nWhile testing PCI error recovery paths with more kernel debug features\nenabled, this issue reproducibly led to kernel panics with the following\ncall chain:\n\n Unable to handle kernel pointer dereference in virtual kernel address space\n Failing address: 6b6b6b6b6b6b6000 TEID: 6b6b6b6b6b6b6803 ESOP-2 FSI\n Fault in home space mode while using kernel ASCE.\n AS:00000000705c4007 R3:0000000000000024\n Oops: 0038 ilc:3 [#1]SMP\n\n CPU: 14 UID: 0 PID: 156 Comm: kmcheck Kdump: loaded Not tainted\n 6.18.0-20251130.rc7.git0.16131a59cab1.300.fc43.s390x+debug #1 PREEMPT\n\n Krnl PSW : 0404e00180000000 0000020fc86aa1dc (__lock_acquire+0x5c/0x15f0)\n R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0 RI:0 EA:3\n Krnl GPRS: 0000000000000000 0000020f00000001 6b6b6b6b6b6b6c33 0000000000000000\n 0000000000000000 0000000000000000 0000000000000001 0000000000000000\n 0000000000000000 0000020fca28b820 0000000000000000 0000010a1ced8100\n 0000010a1ced8100 0000020fc9775068 0000018fce14f8b8 0000018fce14f7f8\n Krnl Code: 0000020fc86aa1cc: e3b003400004 lg %r11,832\n 0000020fc86aa1d2: a7840211 brc 8,0000020fc86aa5f4\n *0000020fc86aa1d6: c09000df0b25 larl %r9,0000020fca28b820\n >0000020fc86aa1dc: d50790002000 clc 0(8,%r9),0(%r2)\n 0000020fc86aa1e2: a7840209 brc 8,0000020fc86aa5f4\n 0000020fc86aa1e6: c0e001100401 larl %r14,0000020fca8aa9e8\n 0000020fc86aa1ec: c01000e25a00 larl %r1,0000020fca2f55ec\n 0000020fc86aa1f2: a7eb00e8 aghi %r14,232\n\n Call Trace:\n __lock_acquire+0x5c/0x15f0\n lock_acquire.part.0+0xf8/0x270\n lock_acquire+0xb0/0x1b0\n down_write+0x5a/0x250\n mlx5_detach_device+0x42/0x110 [mlx5_core]\n mlx5_unload_one_devl_locked+0x50/0xc0 [mlx5_core]\n mlx5_unload_one+0x42/0x60 [mlx5_core]\n mlx5_pci_err_detected+0x94/0x150 [mlx5_core]\n zpci_event_attempt_error_recovery+0xcc/0x388"
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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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"drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c"
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],
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"versions": [
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{
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"version": "5a977b5833b7a261bfa6094595ffa73c1071588c",
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"lessThan": "d2495f529d60e8e8c43e6ad524089c38b8be7bc4",
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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": "5a977b5833b7a261bfa6094595ffa73c1071588c",
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"lessThan": "6a107cfe9c99a079e578a4c5eb70038101a3599f",
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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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"drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c"
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],
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"versions": [
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{
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"version": "6.18",
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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": "6.18",
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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": "6.18.3",
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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": "6.19",
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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": "6.18",
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"versionEndExcluding": "6.18.3"
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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": "6.18",
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"versionEndExcluding": "6.19"
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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/d2495f529d60e8e8c43e6ad524089c38b8be7bc4"
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},
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{
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"url": "https://git.kernel.org/stable/c/6a107cfe9c99a079e578a4c5eb70038101a3599f"
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}
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],
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"title": "net/mlx5: Fix double unregister of HCA_PORTS component",
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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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} |