CVE-2022-50396 (GCVE-0-2022-50396)

Vulnerability from cvelistv5 – Published: 2025-09-18 13:33 – Updated: 2026-01-14 18:53
VLAI?
Title
net: sched: fix memory leak in tcindex_set_parms
Summary
In the Linux kernel, the following vulnerability has been resolved: net: sched: fix memory leak in tcindex_set_parms Syzkaller reports a memory leak as follows: ==================================== BUG: memory leak unreferenced object 0xffff88810c287f00 (size 256): comm "syz-executor105", pid 3600, jiffies 4294943292 (age 12.990s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff814cf9f0>] kmalloc_trace+0x20/0x90 mm/slab_common.c:1046 [<ffffffff839c9e07>] kmalloc include/linux/slab.h:576 [inline] [<ffffffff839c9e07>] kmalloc_array include/linux/slab.h:627 [inline] [<ffffffff839c9e07>] kcalloc include/linux/slab.h:659 [inline] [<ffffffff839c9e07>] tcf_exts_init include/net/pkt_cls.h:250 [inline] [<ffffffff839c9e07>] tcindex_set_parms+0xa7/0xbe0 net/sched/cls_tcindex.c:342 [<ffffffff839caa1f>] tcindex_change+0xdf/0x120 net/sched/cls_tcindex.c:553 [<ffffffff8394db62>] tc_new_tfilter+0x4f2/0x1100 net/sched/cls_api.c:2147 [<ffffffff8389e91c>] rtnetlink_rcv_msg+0x4dc/0x5d0 net/core/rtnetlink.c:6082 [<ffffffff839eba67>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2540 [<ffffffff839eab87>] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] [<ffffffff839eab87>] netlink_unicast+0x397/0x4c0 net/netlink/af_netlink.c:1345 [<ffffffff839eb046>] netlink_sendmsg+0x396/0x710 net/netlink/af_netlink.c:1921 [<ffffffff8383e796>] sock_sendmsg_nosec net/socket.c:714 [inline] [<ffffffff8383e796>] sock_sendmsg+0x56/0x80 net/socket.c:734 [<ffffffff8383eb08>] ____sys_sendmsg+0x178/0x410 net/socket.c:2482 [<ffffffff83843678>] ___sys_sendmsg+0xa8/0x110 net/socket.c:2536 [<ffffffff838439c5>] __sys_sendmmsg+0x105/0x330 net/socket.c:2622 [<ffffffff83843c14>] __do_sys_sendmmsg net/socket.c:2651 [inline] [<ffffffff83843c14>] __se_sys_sendmmsg net/socket.c:2648 [inline] [<ffffffff83843c14>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2648 [<ffffffff84605fd5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff84605fd5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd ==================================== Kernel uses tcindex_change() to change an existing filter properties. Yet the problem is that, during the process of changing, if `old_r` is retrieved from `p->perfect`, then kernel uses tcindex_alloc_perfect_hash() to newly allocate filter results, uses tcindex_filter_result_init() to clear the old filter result, without destroying its tcf_exts structure, which triggers the above memory leak. To be more specific, there are only two source for the `old_r`, according to the tcindex_lookup(). `old_r` is retrieved from `p->perfect`, or `old_r` is retrieved from `p->h`. * If `old_r` is retrieved from `p->perfect`, kernel uses tcindex_alloc_perfect_hash() to newly allocate the filter results. Then `r` is assigned with `cp->perfect + handle`, which is newly allocated. So condition `old_r && old_r != r` is true in this situation, and kernel uses tcindex_filter_result_init() to clear the old filter result, without destroying its tcf_exts structure * If `old_r` is retrieved from `p->h`, then `p->perfect` is NULL according to the tcindex_lookup(). Considering that `cp->h` is directly copied from `p->h` and `p->perfect` is NULL, `r` is assigned with `tcindex_lookup(cp, handle)`, whose value should be the same as `old_r`, so condition `old_r && old_r != r` is false in this situation, kernel ignores using tcindex_filter_result_init() to clear the old filter result. So only when `old_r` is retrieved from `p->perfect` does kernel use tcindex_filter_result_init() to clear the old filter result, which triggers the above memory leak. Considering that there already exists a tc_filter_wq workqueue to destroy the old tcindex_d ---truncated---
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: b9a24bb76bf611a5268ceffe04219e6ad264559b , < 53af9c793f644d5841d84d8e0ad83bd7ab47f3e0 (git)
Affected: b9a24bb76bf611a5268ceffe04219e6ad264559b , < 01d0d2b8b4e3cf2110baba9371c0c3d04ad5c77b (git)
Affected: b9a24bb76bf611a5268ceffe04219e6ad264559b , < 55ac68b53f1cea1926ee2313afc5d66b91daad71 (git)
Affected: b9a24bb76bf611a5268ceffe04219e6ad264559b , < 7a6fb69bbcb21e9ce13bdf18c008c268874f0480 (git)
Affected: b9a24bb76bf611a5268ceffe04219e6ad264559b , < b314f6c3512108d7a656c5caf07c82d1bbbdc0f1 (git)
Affected: b9a24bb76bf611a5268ceffe04219e6ad264559b , < 18c3fa7a7fdbb4d21dafc8a7710ae2c1680930f6 (git)
Affected: b9a24bb76bf611a5268ceffe04219e6ad264559b , < 6c55953e232ea668731091d111066521f3b7719b (git)
Affected: b9a24bb76bf611a5268ceffe04219e6ad264559b , < 7c183dc0af472dec33d2c0786a5e356baa8cad19 (git)
Affected: b9a24bb76bf611a5268ceffe04219e6ad264559b , < c4de6057e7c6654983acb63d939d26ac0d7bbf39 (git)
Affected: b9a24bb76bf611a5268ceffe04219e6ad264559b , < facc4405e8b7407e03216207b1d1d640127de0c8 (git)
Affected: b9a24bb76bf611a5268ceffe04219e6ad264559b , < 3abebc503a5148072052c229c6b04b329a420ecd (git)
Affected: b9a24bb76bf611a5268ceffe04219e6ad264559b , < 399ab7fe0fa0d846881685fd4e57e9a8ef7559f7 (git)
Affected: b9a24bb76bf611a5268ceffe04219e6ad264559b , < 372ae77cf11d11fb118cbe2d37def9dd5f826abd (git)
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    Linux Linux Affected: 4.9
Unaffected: 0 , < 4.9 (semver)
Unaffected: 4.14.308 , ≤ 4.14.* (semver)
Unaffected: 4.19.276 , ≤ 4.19.* (semver)
Unaffected: 5.4.229 , ≤ 5.4.* (semver)
Unaffected: 5.4.235 , ≤ 5.4.* (semver)
Unaffected: 5.10.163 , ≤ 5.10.* (semver)
Unaffected: 5.10.173 , ≤ 5.10.* (semver)
Unaffected: 5.15.87 , ≤ 5.15.* (semver)
Unaffected: 5.15.100 , ≤ 5.15.* (semver)
Unaffected: 6.0.19 , ≤ 6.0.* (semver)
Unaffected: 6.1.5 , ≤ 6.1.* (semver)
Unaffected: 6.1.18 , ≤ 6.1.* (semver)
Unaffected: 6.2.5 , ≤ 6.2.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: sched: fix memory leak in tcindex_set_parms\n\nSyzkaller reports a memory leak as follows:\n====================================\nBUG: memory leak\nunreferenced object 0xffff88810c287f00 (size 256):\n  comm \"syz-executor105\", pid 3600, jiffies 4294943292 (age 12.990s)\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [\u003cffffffff814cf9f0\u003e] kmalloc_trace+0x20/0x90 mm/slab_common.c:1046\n    [\u003cffffffff839c9e07\u003e] kmalloc include/linux/slab.h:576 [inline]\n    [\u003cffffffff839c9e07\u003e] kmalloc_array include/linux/slab.h:627 [inline]\n    [\u003cffffffff839c9e07\u003e] kcalloc include/linux/slab.h:659 [inline]\n    [\u003cffffffff839c9e07\u003e] tcf_exts_init include/net/pkt_cls.h:250 [inline]\n    [\u003cffffffff839c9e07\u003e] tcindex_set_parms+0xa7/0xbe0 net/sched/cls_tcindex.c:342\n    [\u003cffffffff839caa1f\u003e] tcindex_change+0xdf/0x120 net/sched/cls_tcindex.c:553\n    [\u003cffffffff8394db62\u003e] tc_new_tfilter+0x4f2/0x1100 net/sched/cls_api.c:2147\n    [\u003cffffffff8389e91c\u003e] rtnetlink_rcv_msg+0x4dc/0x5d0 net/core/rtnetlink.c:6082\n    [\u003cffffffff839eba67\u003e] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2540\n    [\u003cffffffff839eab87\u003e] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]\n    [\u003cffffffff839eab87\u003e] netlink_unicast+0x397/0x4c0 net/netlink/af_netlink.c:1345\n    [\u003cffffffff839eb046\u003e] netlink_sendmsg+0x396/0x710 net/netlink/af_netlink.c:1921\n    [\u003cffffffff8383e796\u003e] sock_sendmsg_nosec net/socket.c:714 [inline]\n    [\u003cffffffff8383e796\u003e] sock_sendmsg+0x56/0x80 net/socket.c:734\n    [\u003cffffffff8383eb08\u003e] ____sys_sendmsg+0x178/0x410 net/socket.c:2482\n    [\u003cffffffff83843678\u003e] ___sys_sendmsg+0xa8/0x110 net/socket.c:2536\n    [\u003cffffffff838439c5\u003e] __sys_sendmmsg+0x105/0x330 net/socket.c:2622\n    [\u003cffffffff83843c14\u003e] __do_sys_sendmmsg net/socket.c:2651 [inline]\n    [\u003cffffffff83843c14\u003e] __se_sys_sendmmsg net/socket.c:2648 [inline]\n    [\u003cffffffff83843c14\u003e] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2648\n    [\u003cffffffff84605fd5\u003e] do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n    [\u003cffffffff84605fd5\u003e] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\n    [\u003cffffffff84800087\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd\n====================================\n\nKernel uses tcindex_change() to change an existing\nfilter properties.\n\nYet the problem is that, during the process of changing,\nif `old_r` is retrieved from `p-\u003eperfect`, then\nkernel uses tcindex_alloc_perfect_hash() to newly\nallocate filter results, uses tcindex_filter_result_init()\nto clear the old filter result, without destroying\nits tcf_exts structure, which triggers the above memory leak.\n\nTo be more specific, there are only two source for the `old_r`,\naccording to the tcindex_lookup(). `old_r` is retrieved from\n`p-\u003eperfect`, or `old_r` is retrieved from `p-\u003eh`.\n\n  * If `old_r` is retrieved from `p-\u003eperfect`, kernel uses\ntcindex_alloc_perfect_hash() to newly allocate the\nfilter results. Then `r` is assigned with `cp-\u003eperfect + handle`,\nwhich is newly allocated. So condition `old_r \u0026\u0026 old_r != r` is\ntrue in this situation, and kernel uses tcindex_filter_result_init()\nto clear the old filter result, without destroying\nits tcf_exts structure\n\n  * If `old_r` is retrieved from `p-\u003eh`, then `p-\u003eperfect` is NULL\naccording to the tcindex_lookup(). Considering that `cp-\u003eh`\nis directly copied from `p-\u003eh` and `p-\u003eperfect` is NULL,\n`r` is assigned with `tcindex_lookup(cp, handle)`, whose value\nshould be the same as `old_r`, so condition `old_r \u0026\u0026 old_r != r`\nis false in this situation, kernel ignores using\ntcindex_filter_result_init() to clear the old filter result.\n\nSo only when `old_r` is retrieved from `p-\u003eperfect` does kernel use\ntcindex_filter_result_init() to clear the old filter result, which\ntriggers the above memory leak.\n\nConsidering that there already exists a tc_filter_wq workqueue\nto destroy the old tcindex_d\n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-29T11:20:30.719Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
        {
          "url": "https://git.kernel.org/stable/c/53af9c793f644d5841d84d8e0ad83bd7ab47f3e0"
        },
        {
          "url": "https://git.kernel.org/stable/c/01d0d2b8b4e3cf2110baba9371c0c3d04ad5c77b"
        },
        {
          "url": "https://git.kernel.org/stable/c/55ac68b53f1cea1926ee2313afc5d66b91daad71"
        },
        {
          "url": "https://git.kernel.org/stable/c/7a6fb69bbcb21e9ce13bdf18c008c268874f0480"
        },
        {
          "url": "https://git.kernel.org/stable/c/b314f6c3512108d7a656c5caf07c82d1bbbdc0f1"
        },
        {
          "url": "https://git.kernel.org/stable/c/18c3fa7a7fdbb4d21dafc8a7710ae2c1680930f6"
        },
        {
          "url": "https://git.kernel.org/stable/c/6c55953e232ea668731091d111066521f3b7719b"
        },
        {
          "url": "https://git.kernel.org/stable/c/7c183dc0af472dec33d2c0786a5e356baa8cad19"
        },
        {
          "url": "https://git.kernel.org/stable/c/c4de6057e7c6654983acb63d939d26ac0d7bbf39"
        },
        {
          "url": "https://git.kernel.org/stable/c/facc4405e8b7407e03216207b1d1d640127de0c8"
        },
        {
          "url": "https://git.kernel.org/stable/c/3abebc503a5148072052c229c6b04b329a420ecd"
        },
        {
          "url": "https://git.kernel.org/stable/c/399ab7fe0fa0d846881685fd4e57e9a8ef7559f7"
        },
        {
          "url": "https://git.kernel.org/stable/c/372ae77cf11d11fb118cbe2d37def9dd5f826abd"
        }
      ],
      "title": "net: sched: fix memory leak in tcindex_set_parms",
      "x_generator": {
        "engine": "bippy-1.2.0"
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50396",
    "datePublished": "2025-09-18T13:33:14.450Z",
    "dateReserved": "2025-09-17T14:53:06.998Z",
    "dateUpdated": "2026-01-14T18:53:06.184Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"cna\": {\"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-09-29T11:20:30.719Z\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: sched: fix memory leak in tcindex_set_parms\\n\\nSyzkaller reports a memory leak as follows:\\n====================================\\nBUG: memory leak\\nunreferenced object 0xffff88810c287f00 (size 256):\\n  comm \\\"syz-executor105\\\", pid 3600, jiffies 4294943292 (age 12.990s)\\n  hex dump (first 32 bytes):\\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\\n  backtrace:\\n    [\u003cffffffff814cf9f0\u003e] kmalloc_trace+0x20/0x90 mm/slab_common.c:1046\\n    [\u003cffffffff839c9e07\u003e] kmalloc include/linux/slab.h:576 [inline]\\n    [\u003cffffffff839c9e07\u003e] kmalloc_array include/linux/slab.h:627 [inline]\\n    [\u003cffffffff839c9e07\u003e] kcalloc include/linux/slab.h:659 [inline]\\n    [\u003cffffffff839c9e07\u003e] tcf_exts_init include/net/pkt_cls.h:250 [inline]\\n    [\u003cffffffff839c9e07\u003e] tcindex_set_parms+0xa7/0xbe0 net/sched/cls_tcindex.c:342\\n    [\u003cffffffff839caa1f\u003e] tcindex_change+0xdf/0x120 net/sched/cls_tcindex.c:553\\n    [\u003cffffffff8394db62\u003e] tc_new_tfilter+0x4f2/0x1100 net/sched/cls_api.c:2147\\n    [\u003cffffffff8389e91c\u003e] rtnetlink_rcv_msg+0x4dc/0x5d0 net/core/rtnetlink.c:6082\\n    [\u003cffffffff839eba67\u003e] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2540\\n    [\u003cffffffff839eab87\u003e] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]\\n    [\u003cffffffff839eab87\u003e] netlink_unicast+0x397/0x4c0 net/netlink/af_netlink.c:1345\\n    [\u003cffffffff839eb046\u003e] netlink_sendmsg+0x396/0x710 net/netlink/af_netlink.c:1921\\n    [\u003cffffffff8383e796\u003e] sock_sendmsg_nosec net/socket.c:714 [inline]\\n    [\u003cffffffff8383e796\u003e] sock_sendmsg+0x56/0x80 net/socket.c:734\\n    [\u003cffffffff8383eb08\u003e] ____sys_sendmsg+0x178/0x410 net/socket.c:2482\\n    [\u003cffffffff83843678\u003e] ___sys_sendmsg+0xa8/0x110 net/socket.c:2536\\n    [\u003cffffffff838439c5\u003e] __sys_sendmmsg+0x105/0x330 net/socket.c:2622\\n    [\u003cffffffff83843c14\u003e] __do_sys_sendmmsg net/socket.c:2651 [inline]\\n    [\u003cffffffff83843c14\u003e] __se_sys_sendmmsg net/socket.c:2648 [inline]\\n    [\u003cffffffff83843c14\u003e] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2648\\n    [\u003cffffffff84605fd5\u003e] do_syscall_x64 arch/x86/entry/common.c:50 [inline]\\n    [\u003cffffffff84605fd5\u003e] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\\n    [\u003cffffffff84800087\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd\\n====================================\\n\\nKernel uses tcindex_change() to change an existing\\nfilter properties.\\n\\nYet the problem is that, during the process of changing,\\nif `old_r` is retrieved from `p-\u003eperfect`, then\\nkernel uses tcindex_alloc_perfect_hash() to newly\\nallocate filter results, uses tcindex_filter_result_init()\\nto clear the old filter result, without destroying\\nits tcf_exts structure, which triggers the above memory leak.\\n\\nTo be more specific, there are only two source for the `old_r`,\\naccording to the tcindex_lookup(). `old_r` is retrieved from\\n`p-\u003eperfect`, or `old_r` is retrieved from `p-\u003eh`.\\n\\n  * If `old_r` is retrieved from `p-\u003eperfect`, kernel uses\\ntcindex_alloc_perfect_hash() to newly allocate the\\nfilter results. Then `r` is assigned with `cp-\u003eperfect + handle`,\\nwhich is newly allocated. So condition `old_r \u0026\u0026 old_r != r` is\\ntrue in this situation, and kernel uses tcindex_filter_result_init()\\nto clear the old filter result, without destroying\\nits tcf_exts structure\\n\\n  * If `old_r` is retrieved from `p-\u003eh`, then `p-\u003eperfect` is NULL\\naccording to the tcindex_lookup(). Considering that `cp-\u003eh`\\nis directly copied from `p-\u003eh` and `p-\u003eperfect` is NULL,\\n`r` is assigned with `tcindex_lookup(cp, handle)`, whose value\\nshould be the same as `old_r`, so condition `old_r \u0026\u0026 old_r != r`\\nis false in this situation, kernel ignores using\\ntcindex_filter_result_init() to clear the old filter result.\\n\\nSo only when `old_r` is retrieved from `p-\u003eperfect` does kernel use\\ntcindex_filter_result_init() to clear the old filter result, which\\ntriggers the above memory leak.\\n\\nConsidering that there already exists a tc_filter_wq workqueue\\nto destroy the old tcindex_d\\n---truncated---\"}], \"affected\": [{\"product\": \"Linux\", \"vendor\": \"Linux\", \"defaultStatus\": \"unaffected\", \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"programFiles\": [\"net/sched/cls_tcindex.c\"], \"versions\": [{\"version\": \"b9a24bb76bf611a5268ceffe04219e6ad264559b\", \"lessThan\": 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\"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"5.10.163\", \"lessThanOrEqual\": \"5.10.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"5.10.173\", \"lessThanOrEqual\": \"5.10.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"5.15.87\", \"lessThanOrEqual\": \"5.15.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"5.15.100\", \"lessThanOrEqual\": \"5.15.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"6.0.19\", \"lessThanOrEqual\": \"6.0.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"6.1.5\", \"lessThanOrEqual\": \"6.1.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"6.1.18\", \"lessThanOrEqual\": \"6.1.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, {\"version\": \"6.2.5\", \"lessThanOrEqual\": \"6.2.*\", \"status\": \"unaffected\", \"versionType\": \"semver\"}, 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\"https://git.kernel.org/stable/c/7c183dc0af472dec33d2c0786a5e356baa8cad19\"}, {\"url\": \"https://git.kernel.org/stable/c/c4de6057e7c6654983acb63d939d26ac0d7bbf39\"}, {\"url\": \"https://git.kernel.org/stable/c/facc4405e8b7407e03216207b1d1d640127de0c8\"}, {\"url\": \"https://git.kernel.org/stable/c/3abebc503a5148072052c229c6b04b329a420ecd\"}, {\"url\": \"https://git.kernel.org/stable/c/399ab7fe0fa0d846881685fd4e57e9a8ef7559f7\"}, {\"url\": \"https://git.kernel.org/stable/c/372ae77cf11d11fb118cbe2d37def9dd5f826abd\"}], \"title\": \"net: sched: fix memory leak in tcindex_set_parms\", \"x_generator\": {\"engine\": \"bippy-1.2.0\"}}, \"adp\": [{\"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-50396\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-14T18:51:54.692006Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-401\", \"description\": \"CWE-401 Missing Release of Memory after Effective Lifetime\"}]}], \"providerMetadata\": {\"shortName\": \"CISA-ADP\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"dateUpdated\": \"2026-01-14T18:51:50.361Z\"}, \"title\": \"CISA ADP Vulnrichment\"}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-50396\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"Linux\", \"dateReserved\": \"2025-09-17T14:53:06.998Z\", \"datePublished\": \"2025-09-18T13:33:14.450Z\", \"dateUpdated\": \"2025-09-29T11:20:30.719Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.