232 lines
12 KiB
JSON
232 lines
12 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-2023-52851",
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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": "2024-05-21T15:19:24.255Z",
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"datePublished": "2024-05-21T15:31:47.220Z",
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"dateUpdated": "2026-05-11T19:34:14.999Z"
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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": "2026-05-11T19:34:14.999Z"
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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\nIB/mlx5: Fix init stage error handling to avoid double free of same QP and UAF\n\nIn the unlikely event that workqueue allocation fails and returns NULL in\nmlx5_mkey_cache_init(), delete the call to\nmlx5r_umr_resource_cleanup() (which frees the QP) in\nmlx5_ib_stage_post_ib_reg_umr_init(). This will avoid attempted double\nfree of the same QP when __mlx5_ib_add() does its cleanup.\n\nResolves a splat:\n\n Syzkaller reported a UAF in ib_destroy_qp_user\n\n workqueue: Failed to create a rescuer kthread for wq \"mkey_cache\": -EINTR\n infiniband mlx5_0: mlx5_mkey_cache_init:981:(pid 1642):\n failed to create work queue\n infiniband mlx5_0: mlx5_ib_stage_post_ib_reg_umr_init:4075:(pid 1642):\n mr cache init failed -12\n ==================================================================\n BUG: KASAN: slab-use-after-free in ib_destroy_qp_user (drivers/infiniband/core/verbs.c:2073)\n Read of size 8 at addr ffff88810da310a8 by task repro_upstream/1642\n\n Call Trace:\n <TASK>\n kasan_report (mm/kasan/report.c:590)\n ib_destroy_qp_user (drivers/infiniband/core/verbs.c:2073)\n mlx5r_umr_resource_cleanup (drivers/infiniband/hw/mlx5/umr.c:198)\n __mlx5_ib_add (drivers/infiniband/hw/mlx5/main.c:4178)\n mlx5r_probe (drivers/infiniband/hw/mlx5/main.c:4402)\n ...\n </TASK>\n\n Allocated by task 1642:\n __kmalloc (./include/linux/kasan.h:198 mm/slab_common.c:1026\n mm/slab_common.c:1039)\n create_qp (./include/linux/slab.h:603 ./include/linux/slab.h:720\n ./include/rdma/ib_verbs.h:2795 drivers/infiniband/core/verbs.c:1209)\n ib_create_qp_kernel (drivers/infiniband/core/verbs.c:1347)\n mlx5r_umr_resource_init (drivers/infiniband/hw/mlx5/umr.c:164)\n mlx5_ib_stage_post_ib_reg_umr_init (drivers/infiniband/hw/mlx5/main.c:4070)\n __mlx5_ib_add (drivers/infiniband/hw/mlx5/main.c:4168)\n mlx5r_probe (drivers/infiniband/hw/mlx5/main.c:4402)\n ...\n\n Freed by task 1642:\n __kmem_cache_free (mm/slub.c:1826 mm/slub.c:3809 mm/slub.c:3822)\n ib_destroy_qp_user (drivers/infiniband/core/verbs.c:2112)\n mlx5r_umr_resource_cleanup (drivers/infiniband/hw/mlx5/umr.c:198)\n mlx5_ib_stage_post_ib_reg_umr_init (drivers/infiniband/hw/mlx5/main.c:4076\n drivers/infiniband/hw/mlx5/main.c:4065)\n __mlx5_ib_add (drivers/infiniband/hw/mlx5/main.c:4168)\n mlx5r_probe (drivers/infiniband/hw/mlx5/main.c:4402)\n ..."
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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/infiniband/hw/mlx5/main.c"
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],
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"versions": [
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{
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"version": "04876c12c19e94bbbc94bb0446c7bc7cd75163de",
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"lessThan": "437f033e30c897bb3723eac9e9003cd9f88d00a3",
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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": "04876c12c19e94bbbc94bb0446c7bc7cd75163de",
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"lessThan": "4f4a7a7d1404297f2a92df0046f7e64dc5c52dd9",
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"status": "affected",
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{
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"lessThan": "6387f269d84e6e149499408c4d1fc805017729b2",
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{
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"version": "04876c12c19e94bbbc94bb0446c7bc7cd75163de",
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"lessThan": "2ef422f063b74adcc4a4a9004b0a87bb55e0a836",
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"status": "affected",
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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/infiniband/hw/mlx5/main.c"
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],
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"versions": [
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{
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"version": "5.19",
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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": "5.19",
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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": "6.1.63",
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"lessThanOrEqual": "6.1.*",
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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": "6.5.12",
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"lessThanOrEqual": "6.5.*",
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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": "6.6.2",
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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": "6.7",
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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": "5.19",
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"versionEndExcluding": "6.1.63"
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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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"references": [
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"url": "https://git.kernel.org/stable/c/437f033e30c897bb3723eac9e9003cd9f88d00a3"
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},
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"url": "https://git.kernel.org/stable/c/4f4a7a7d1404297f2a92df0046f7e64dc5c52dd9"
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{
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"url": "https://git.kernel.org/stable/c/6387f269d84e6e149499408c4d1fc805017729b2"
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{
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"url": "https://git.kernel.org/stable/c/2ef422f063b74adcc4a4a9004b0a87bb55e0a836"
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}
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],
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"title": "IB/mlx5: Fix init stage error handling to avoid double free of same QP and UAF",
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"x_generator": {
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"engine": "bippy-1.2.0"
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"adp": [
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{
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"title": "CISA ADP Vulnrichment",
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"metrics": [
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{
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"type": "ssvc",
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"content": {
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"id": "CVE-2023-52851",
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"role": "CISA Coordinator",
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"options": [
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{
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"Technical Impact": "partial"
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"version": "2.0.3",
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"timestamp": "2024-05-22T18:56:10.534699Z"
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"dateUpdated": "2024-06-04T17:22:32.402Z"
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