CVE-2023-53342 (GCVE-0-2023-53342)

Vulnerability from cvelistv5 – Published: 2025-09-17 14:56 – Updated: 2026-05-11 19:43
VLAI
Title
net: marvell: prestera: fix handling IPv4 routes with nhid
Summary
In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix handling IPv4 routes with nhid Fix handling IPv4 routes referencing a nexthop via its id by replacing calls to fib_info_nh() with fib_info_nhc(). Trying to add an IPv4 route referencing a nextop via nhid: $ ip link set up swp5 $ ip a a 10.0.0.1/24 dev swp5 $ ip nexthop add dev swp5 id 20 via 10.0.0.2 $ ip route add 10.0.1.0/24 nhid 20 triggers warnings when trying to handle the route: [ 528.805763] ------------[ cut here ]------------ [ 528.810437] WARNING: CPU: 3 PID: 53 at include/net/nexthop.h:468 __prestera_fi_is_direct+0x2c/0x68 [prestera] [ 528.820434] Modules linked in: prestera_pci act_gact act_police sch_ingress cls_u32 cls_flower prestera arm64_delta_tn48m_dn_led(O) arm64_delta_tn48m_dn_cpld(O) [last unloaded: prestera_pci] [ 528.837485] CPU: 3 PID: 53 Comm: kworker/u8:3 Tainted: G O 6.4.5 #1 [ 528.845178] Hardware name: delta,tn48m-dn (DT) [ 528.849641] Workqueue: prestera_ordered __prestera_router_fib_event_work [prestera] [ 528.857352] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 528.864347] pc : __prestera_fi_is_direct+0x2c/0x68 [prestera] [ 528.870135] lr : prestera_k_arb_fib_evt+0xb20/0xd50 [prestera] [ 528.876007] sp : ffff80000b20bc90 [ 528.879336] x29: ffff80000b20bc90 x28: 0000000000000000 x27: ffff0001374d3a48 [ 528.886510] x26: ffff000105604000 x25: ffff000134af8a28 x24: ffff0001374d3800 [ 528.893683] x23: ffff000101c89148 x22: ffff000101c89000 x21: ffff000101c89200 [ 528.900855] x20: ffff00013641fda0 x19: ffff800009d01088 x18: 0000000000000059 [ 528.908027] x17: 0000000000000277 x16: 0000000000000000 x15: 0000000000000000 [ 528.915198] x14: 0000000000000003 x13: 00000000000fe400 x12: 0000000000000000 [ 528.922371] x11: 0000000000000002 x10: 0000000000000aa0 x9 : ffff8000013d2020 [ 528.929543] x8 : 0000000000000018 x7 : 000000007b1703f8 x6 : 000000001ca72f86 [ 528.936715] x5 : 0000000033399ea7 x4 : 0000000000000000 x3 : ffff0001374d3acc [ 528.943886] x2 : 0000000000000000 x1 : ffff00010200de00 x0 : ffff000134ae3f80 [ 528.951058] Call trace: [ 528.953516] __prestera_fi_is_direct+0x2c/0x68 [prestera] [ 528.958952] __prestera_router_fib_event_work+0x100/0x158 [prestera] [ 528.965348] process_one_work+0x208/0x488 [ 528.969387] worker_thread+0x4c/0x430 [ 528.973068] kthread+0x120/0x138 [ 528.976313] ret_from_fork+0x10/0x20 [ 528.979909] ---[ end trace 0000000000000000 ]--- [ 528.984998] ------------[ cut here ]------------ [ 528.989645] WARNING: CPU: 3 PID: 53 at include/net/nexthop.h:468 __prestera_fi_is_direct+0x2c/0x68 [prestera] [ 528.999628] Modules linked in: prestera_pci act_gact act_police sch_ingress cls_u32 cls_flower prestera arm64_delta_tn48m_dn_led(O) arm64_delta_tn48m_dn_cpld(O) [last unloaded: prestera_pci] [ 529.016676] CPU: 3 PID: 53 Comm: kworker/u8:3 Tainted: G W O 6.4.5 #1 [ 529.024368] Hardware name: delta,tn48m-dn (DT) [ 529.028830] Workqueue: prestera_ordered __prestera_router_fib_event_work [prestera] [ 529.036539] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 529.043533] pc : __prestera_fi_is_direct+0x2c/0x68 [prestera] [ 529.049318] lr : __prestera_k_arb_fc_apply+0x280/0x2f8 [prestera] [ 529.055452] sp : ffff80000b20bc60 [ 529.058781] x29: ffff80000b20bc60 x28: 0000000000000000 x27: ffff0001374d3a48 [ 529.065953] x26: ffff000105604000 x25: ffff000134af8a28 x24: ffff0001374d3800 [ 529.073126] x23: ffff000101c89148 x22: ffff000101c89148 x21: ffff00013641fda0 [ 529.080299] x20: ffff000101c89000 x19: ffff000101c89020 x18: 0000000000000059 [ 529.087471] x17: 0000000000000277 x16: 0000000000000000 x15: 0000000000000000 [ 529.094642] x14: 0000000000000003 x13: 00000000000fe400 x12: 0000000000000000 [ 529.101814] x11: 0000000000000002 x10: 0000000000000aa0 x9 : ffff8000013cee80 [ 529.108985] x8 : 0000000000000018 x7 : 000000007b1703f8 x6 ---truncated---
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 396b80cb5cc8006a488ea25ef84fae245dc1b43c , < a3e5f3b7f25d7b90f3b76d98a946fec6e5f79216 (git)
Affected: 396b80cb5cc8006a488ea25ef84fae245dc1b43c , < 8373dca3c1f8a203cecebe3421dbe890c4f08e16 (git)
Affected: 396b80cb5cc8006a488ea25ef84fae245dc1b43c , < 2aa71b4b294ee2c3041d085404cea914be9b3225 (git)
Create a notification for this product.
Linux Linux Affected: 6.1
Unaffected: 0 , < 6.1 (semver)
Unaffected: 6.1.46 , ≤ 6.1.* (semver)
Unaffected: 6.4.11 , ≤ 6.4.* (semver)
Unaffected: 6.5 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-53342",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-14T18:39:02.029523Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
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            "descriptions": [
              {
                "description": "CWE-noinfo Not enough information",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-14T18:43:02.092Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/marvell/prestera/prestera_router.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "a3e5f3b7f25d7b90f3b76d98a946fec6e5f79216",
              "status": "affected",
              "version": "396b80cb5cc8006a488ea25ef84fae245dc1b43c",
              "versionType": "git"
            },
            {
              "lessThan": "8373dca3c1f8a203cecebe3421dbe890c4f08e16",
              "status": "affected",
              "version": "396b80cb5cc8006a488ea25ef84fae245dc1b43c",
              "versionType": "git"
            },
            {
              "lessThan": "2aa71b4b294ee2c3041d085404cea914be9b3225",
              "status": "affected",
              "version": "396b80cb5cc8006a488ea25ef84fae245dc1b43c",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/marvell/prestera/prestera_router.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.1"
            },
            {
              "lessThan": "6.1",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.46",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.4.*",
              "status": "unaffected",
              "version": "6.4.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.46",
                  "versionStartIncluding": "6.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.4.11",
                  "versionStartIncluding": "6.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.5",
                  "versionStartIncluding": "6.1",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: marvell: prestera: fix handling IPv4 routes with nhid\n\nFix handling IPv4 routes referencing a nexthop via its id by replacing\ncalls to fib_info_nh() with fib_info_nhc().\n\nTrying to add an IPv4 route referencing a nextop via nhid:\n\n    $ ip link set up swp5\n    $ ip a a 10.0.0.1/24 dev swp5\n    $ ip nexthop add dev swp5 id 20 via 10.0.0.2\n    $ ip route add 10.0.1.0/24 nhid 20\n\ntriggers warnings when trying to handle the route:\n\n[  528.805763] ------------[ cut here ]------------\n[  528.810437] WARNING: CPU: 3 PID: 53 at include/net/nexthop.h:468 __prestera_fi_is_direct+0x2c/0x68 [prestera]\n[  528.820434] Modules linked in: prestera_pci act_gact act_police sch_ingress cls_u32 cls_flower prestera arm64_delta_tn48m_dn_led(O) arm64_delta_tn48m_dn_cpld(O) [last unloaded: prestera_pci]\n[  528.837485] CPU: 3 PID: 53 Comm: kworker/u8:3 Tainted: G           O       6.4.5 #1\n[  528.845178] Hardware name: delta,tn48m-dn (DT)\n[  528.849641] Workqueue: prestera_ordered __prestera_router_fib_event_work [prestera]\n[  528.857352] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[  528.864347] pc : __prestera_fi_is_direct+0x2c/0x68 [prestera]\n[  528.870135] lr : prestera_k_arb_fib_evt+0xb20/0xd50 [prestera]\n[  528.876007] sp : ffff80000b20bc90\n[  528.879336] x29: ffff80000b20bc90 x28: 0000000000000000 x27: ffff0001374d3a48\n[  528.886510] x26: ffff000105604000 x25: ffff000134af8a28 x24: ffff0001374d3800\n[  528.893683] x23: ffff000101c89148 x22: ffff000101c89000 x21: ffff000101c89200\n[  528.900855] x20: ffff00013641fda0 x19: ffff800009d01088 x18: 0000000000000059\n[  528.908027] x17: 0000000000000277 x16: 0000000000000000 x15: 0000000000000000\n[  528.915198] x14: 0000000000000003 x13: 00000000000fe400 x12: 0000000000000000\n[  528.922371] x11: 0000000000000002 x10: 0000000000000aa0 x9 : ffff8000013d2020\n[  528.929543] x8 : 0000000000000018 x7 : 000000007b1703f8 x6 : 000000001ca72f86\n[  528.936715] x5 : 0000000033399ea7 x4 : 0000000000000000 x3 : ffff0001374d3acc\n[  528.943886] x2 : 0000000000000000 x1 : ffff00010200de00 x0 : ffff000134ae3f80\n[  528.951058] Call trace:\n[  528.953516]  __prestera_fi_is_direct+0x2c/0x68 [prestera]\n[  528.958952]  __prestera_router_fib_event_work+0x100/0x158 [prestera]\n[  528.965348]  process_one_work+0x208/0x488\n[  528.969387]  worker_thread+0x4c/0x430\n[  528.973068]  kthread+0x120/0x138\n[  528.976313]  ret_from_fork+0x10/0x20\n[  528.979909] ---[ end trace 0000000000000000 ]---\n[  528.984998] ------------[ cut here ]------------\n[  528.989645] WARNING: CPU: 3 PID: 53 at include/net/nexthop.h:468 __prestera_fi_is_direct+0x2c/0x68 [prestera]\n[  528.999628] Modules linked in: prestera_pci act_gact act_police sch_ingress cls_u32 cls_flower prestera arm64_delta_tn48m_dn_led(O) arm64_delta_tn48m_dn_cpld(O) [last unloaded: prestera_pci]\n[  529.016676] CPU: 3 PID: 53 Comm: kworker/u8:3 Tainted: G        W  O       6.4.5 #1\n[  529.024368] Hardware name: delta,tn48m-dn (DT)\n[  529.028830] Workqueue: prestera_ordered __prestera_router_fib_event_work [prestera]\n[  529.036539] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[  529.043533] pc : __prestera_fi_is_direct+0x2c/0x68 [prestera]\n[  529.049318] lr : __prestera_k_arb_fc_apply+0x280/0x2f8 [prestera]\n[  529.055452] sp : ffff80000b20bc60\n[  529.058781] x29: ffff80000b20bc60 x28: 0000000000000000 x27: ffff0001374d3a48\n[  529.065953] x26: ffff000105604000 x25: ffff000134af8a28 x24: ffff0001374d3800\n[  529.073126] x23: ffff000101c89148 x22: ffff000101c89148 x21: ffff00013641fda0\n[  529.080299] x20: ffff000101c89000 x19: ffff000101c89020 x18: 0000000000000059\n[  529.087471] x17: 0000000000000277 x16: 0000000000000000 x15: 0000000000000000\n[  529.094642] x14: 0000000000000003 x13: 00000000000fe400 x12: 0000000000000000\n[  529.101814] x11: 0000000000000002 x10: 0000000000000aa0 x9 : ffff8000013cee80\n[  529.108985] x8 : 0000000000000018 x7 : 000000007b1703f8 x6 \n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:43:05.663Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/a3e5f3b7f25d7b90f3b76d98a946fec6e5f79216"
        },
        {
          "url": "https://git.kernel.org/stable/c/8373dca3c1f8a203cecebe3421dbe890c4f08e16"
        },
        {
          "url": "https://git.kernel.org/stable/c/2aa71b4b294ee2c3041d085404cea914be9b3225"
        }
      ],
      "title": "net: marvell: prestera: fix handling IPv4 routes with nhid",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53342",
    "datePublished": "2025-09-17T14:56:35.574Z",
    "dateReserved": "2025-09-16T16:08:59.565Z",
    "dateUpdated": "2026-05-11T19:43:05.663Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-53342",
      "date": "2026-06-12",
      "epss": "0.00017",
      "percentile": "0.0413"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-53342\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-09-17T15:15:37.393\",\"lastModified\":\"2026-01-14T19:16:29.587\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: marvell: prestera: fix handling IPv4 routes with nhid\\n\\nFix handling IPv4 routes referencing a nexthop via its id by replacing\\ncalls to fib_info_nh() with fib_info_nhc().\\n\\nTrying to add an IPv4 route referencing a nextop via nhid:\\n\\n    $ ip link set up swp5\\n    $ ip a a 10.0.0.1/24 dev swp5\\n    $ ip nexthop add dev swp5 id 20 via 10.0.0.2\\n    $ ip route add 10.0.1.0/24 nhid 20\\n\\ntriggers warnings when trying to handle the route:\\n\\n[  528.805763] ------------[ cut here ]------------\\n[  528.810437] WARNING: CPU: 3 PID: 53 at include/net/nexthop.h:468 __prestera_fi_is_direct+0x2c/0x68 [prestera]\\n[  528.820434] Modules linked in: prestera_pci act_gact act_police sch_ingress cls_u32 cls_flower prestera arm64_delta_tn48m_dn_led(O) arm64_delta_tn48m_dn_cpld(O) [last unloaded: prestera_pci]\\n[  528.837485] CPU: 3 PID: 53 Comm: kworker/u8:3 Tainted: G           O       6.4.5 #1\\n[  528.845178] Hardware name: delta,tn48m-dn (DT)\\n[  528.849641] Workqueue: prestera_ordered __prestera_router_fib_event_work [prestera]\\n[  528.857352] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\\n[  528.864347] pc : __prestera_fi_is_direct+0x2c/0x68 [prestera]\\n[  528.870135] lr : prestera_k_arb_fib_evt+0xb20/0xd50 [prestera]\\n[  528.876007] sp : ffff80000b20bc90\\n[  528.879336] x29: ffff80000b20bc90 x28: 0000000000000000 x27: ffff0001374d3a48\\n[  528.886510] x26: ffff000105604000 x25: ffff000134af8a28 x24: ffff0001374d3800\\n[  528.893683] x23: ffff000101c89148 x22: ffff000101c89000 x21: ffff000101c89200\\n[  528.900855] x20: ffff00013641fda0 x19: ffff800009d01088 x18: 0000000000000059\\n[  528.908027] x17: 0000000000000277 x16: 0000000000000000 x15: 0000000000000000\\n[  528.915198] x14: 0000000000000003 x13: 00000000000fe400 x12: 0000000000000000\\n[  528.922371] x11: 0000000000000002 x10: 0000000000000aa0 x9 : ffff8000013d2020\\n[  528.929543] x8 : 0000000000000018 x7 : 000000007b1703f8 x6 : 000000001ca72f86\\n[  528.936715] x5 : 0000000033399ea7 x4 : 0000000000000000 x3 : ffff0001374d3acc\\n[  528.943886] x2 : 0000000000000000 x1 : ffff00010200de00 x0 : ffff000134ae3f80\\n[  528.951058] Call trace:\\n[  528.953516]  __prestera_fi_is_direct+0x2c/0x68 [prestera]\\n[  528.958952]  __prestera_router_fib_event_work+0x100/0x158 [prestera]\\n[  528.965348]  process_one_work+0x208/0x488\\n[  528.969387]  worker_thread+0x4c/0x430\\n[  528.973068]  kthread+0x120/0x138\\n[  528.976313]  ret_from_fork+0x10/0x20\\n[  528.979909] ---[ end trace 0000000000000000 ]---\\n[  528.984998] ------------[ cut here ]------------\\n[  528.989645] WARNING: CPU: 3 PID: 53 at include/net/nexthop.h:468 __prestera_fi_is_direct+0x2c/0x68 [prestera]\\n[  528.999628] Modules linked in: prestera_pci act_gact act_police sch_ingress cls_u32 cls_flower prestera arm64_delta_tn48m_dn_led(O) arm64_delta_tn48m_dn_cpld(O) [last unloaded: prestera_pci]\\n[  529.016676] CPU: 3 PID: 53 Comm: kworker/u8:3 Tainted: G        W  O       6.4.5 #1\\n[  529.024368] Hardware name: delta,tn48m-dn (DT)\\n[  529.028830] Workqueue: prestera_ordered __prestera_router_fib_event_work [prestera]\\n[  529.036539] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\\n[  529.043533] pc : __prestera_fi_is_direct+0x2c/0x68 [prestera]\\n[  529.049318] lr : __prestera_k_arb_fc_apply+0x280/0x2f8 [prestera]\\n[  529.055452] sp : ffff80000b20bc60\\n[  529.058781] x29: ffff80000b20bc60 x28: 0000000000000000 x27: ffff0001374d3a48\\n[  529.065953] x26: ffff000105604000 x25: ffff000134af8a28 x24: ffff0001374d3800\\n[  529.073126] x23: ffff000101c89148 x22: ffff000101c89148 x21: ffff00013641fda0\\n[  529.080299] x20: ffff000101c89000 x19: ffff000101c89020 x18: 0000000000000059\\n[  529.087471] x17: 0000000000000277 x16: 0000000000000000 x15: 0000000000000000\\n[  529.094642] x14: 0000000000000003 x13: 00000000000fe400 x12: 0000000000000000\\n[  529.101814] x11: 0000000000000002 x10: 0000000000000aa0 x9 : ffff8000013cee80\\n[  529.108985] x8 : 0000000000000018 x7 : 000000007b1703f8 x6 \\n---truncated---\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.1\",\"versionEndExcluding\":\"6.1.46\",\"matchCriteriaId\":\"C2750BBF-9C5F-41A5-A241-E027F31FA01C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.4.11\",\"matchCriteriaId\":\"C36FD9E6-B6D7-4887-8F08-C1F64E139D5C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"0B3E6E4D-E24E-4630-B00C-8C9901C597B0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.5:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"E4A01A71-0F09-4DB2-A02F-7EFFBE27C98D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.5:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"F5608371-157A-4318-8A2E-4104C3467EA1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.5:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"2226A776-DF8C-49E0-A030-0A7853BB018A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.5:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"6F15C659-DF06-455A-9765-0E6DE920F29A\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2aa71b4b294ee2c3041d085404cea914be9b3225\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8373dca3c1f8a203cecebe3421dbe890c4f08e16\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a3e5f3b7f25d7b90f3b76d98a946fec6e5f79216\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"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-2023-53342\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-14T18:39:02.029523Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"description\": \"CWE-noinfo Not enough information\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-01-14T18:38:57.741Z\"}}], \"cna\": {\"title\": \"net: marvell: prestera: fix handling IPv4 routes with nhid\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"396b80cb5cc8006a488ea25ef84fae245dc1b43c\", \"lessThan\": \"a3e5f3b7f25d7b90f3b76d98a946fec6e5f79216\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"396b80cb5cc8006a488ea25ef84fae245dc1b43c\", \"lessThan\": \"8373dca3c1f8a203cecebe3421dbe890c4f08e16\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"396b80cb5cc8006a488ea25ef84fae245dc1b43c\", \"lessThan\": \"2aa71b4b294ee2c3041d085404cea914be9b3225\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/ethernet/marvell/prestera/prestera_router.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.1\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.1\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.1.46\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.4.11\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.4.*\"}, {\"status\": \"unaffected\", \"version\": \"6.5\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/ethernet/marvell/prestera/prestera_router.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/a3e5f3b7f25d7b90f3b76d98a946fec6e5f79216\"}, {\"url\": \"https://git.kernel.org/stable/c/8373dca3c1f8a203cecebe3421dbe890c4f08e16\"}, {\"url\": \"https://git.kernel.org/stable/c/2aa71b4b294ee2c3041d085404cea914be9b3225\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: marvell: prestera: fix handling IPv4 routes with nhid\\n\\nFix handling IPv4 routes referencing a nexthop via its id by replacing\\ncalls to fib_info_nh() with fib_info_nhc().\\n\\nTrying to add an IPv4 route referencing a nextop via nhid:\\n\\n    $ ip link set up swp5\\n    $ ip a a 10.0.0.1/24 dev swp5\\n    $ ip nexthop add dev swp5 id 20 via 10.0.0.2\\n    $ ip route add 10.0.1.0/24 nhid 20\\n\\ntriggers warnings when trying to handle the route:\\n\\n[  528.805763] ------------[ cut here ]------------\\n[  528.810437] WARNING: CPU: 3 PID: 53 at include/net/nexthop.h:468 __prestera_fi_is_direct+0x2c/0x68 [prestera]\\n[  528.820434] Modules linked in: prestera_pci act_gact act_police sch_ingress cls_u32 cls_flower prestera arm64_delta_tn48m_dn_led(O) arm64_delta_tn48m_dn_cpld(O) [last unloaded: prestera_pci]\\n[  528.837485] CPU: 3 PID: 53 Comm: kworker/u8:3 Tainted: G           O       6.4.5 #1\\n[  528.845178] Hardware name: delta,tn48m-dn (DT)\\n[  528.849641] Workqueue: prestera_ordered __prestera_router_fib_event_work [prestera]\\n[  528.857352] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\\n[  528.864347] pc : __prestera_fi_is_direct+0x2c/0x68 [prestera]\\n[  528.870135] lr : prestera_k_arb_fib_evt+0xb20/0xd50 [prestera]\\n[  528.876007] sp : ffff80000b20bc90\\n[  528.879336] x29: ffff80000b20bc90 x28: 0000000000000000 x27: ffff0001374d3a48\\n[  528.886510] x26: ffff000105604000 x25: ffff000134af8a28 x24: ffff0001374d3800\\n[  528.893683] x23: ffff000101c89148 x22: ffff000101c89000 x21: ffff000101c89200\\n[  528.900855] x20: ffff00013641fda0 x19: ffff800009d01088 x18: 0000000000000059\\n[  528.908027] x17: 0000000000000277 x16: 0000000000000000 x15: 0000000000000000\\n[  528.915198] x14: 0000000000000003 x13: 00000000000fe400 x12: 0000000000000000\\n[  528.922371] x11: 0000000000000002 x10: 0000000000000aa0 x9 : ffff8000013d2020\\n[  528.929543] x8 : 0000000000000018 x7 : 000000007b1703f8 x6 : 000000001ca72f86\\n[  528.936715] x5 : 0000000033399ea7 x4 : 0000000000000000 x3 : ffff0001374d3acc\\n[  528.943886] x2 : 0000000000000000 x1 : ffff00010200de00 x0 : ffff000134ae3f80\\n[  528.951058] Call trace:\\n[  528.953516]  __prestera_fi_is_direct+0x2c/0x68 [prestera]\\n[  528.958952]  __prestera_router_fib_event_work+0x100/0x158 [prestera]\\n[  528.965348]  process_one_work+0x208/0x488\\n[  528.969387]  worker_thread+0x4c/0x430\\n[  528.973068]  kthread+0x120/0x138\\n[  528.976313]  ret_from_fork+0x10/0x20\\n[  528.979909] ---[ end trace 0000000000000000 ]---\\n[  528.984998] ------------[ cut here ]------------\\n[  528.989645] WARNING: CPU: 3 PID: 53 at include/net/nexthop.h:468 __prestera_fi_is_direct+0x2c/0x68 [prestera]\\n[  528.999628] Modules linked in: prestera_pci act_gact act_police sch_ingress cls_u32 cls_flower prestera arm64_delta_tn48m_dn_led(O) arm64_delta_tn48m_dn_cpld(O) [last unloaded: prestera_pci]\\n[  529.016676] CPU: 3 PID: 53 Comm: kworker/u8:3 Tainted: G        W  O       6.4.5 #1\\n[  529.024368] Hardware name: delta,tn48m-dn (DT)\\n[  529.028830] Workqueue: prestera_ordered __prestera_router_fib_event_work [prestera]\\n[  529.036539] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\\n[  529.043533] pc : __prestera_fi_is_direct+0x2c/0x68 [prestera]\\n[  529.049318] lr : __prestera_k_arb_fc_apply+0x280/0x2f8 [prestera]\\n[  529.055452] sp : ffff80000b20bc60\\n[  529.058781] x29: ffff80000b20bc60 x28: 0000000000000000 x27: ffff0001374d3a48\\n[  529.065953] x26: ffff000105604000 x25: ffff000134af8a28 x24: ffff0001374d3800\\n[  529.073126] x23: ffff000101c89148 x22: ffff000101c89148 x21: ffff00013641fda0\\n[  529.080299] x20: ffff000101c89000 x19: ffff000101c89020 x18: 0000000000000059\\n[  529.087471] x17: 0000000000000277 x16: 0000000000000000 x15: 0000000000000000\\n[  529.094642] x14: 0000000000000003 x13: 00000000000fe400 x12: 0000000000000000\\n[  529.101814] x11: 0000000000000002 x10: 0000000000000aa0 x9 : ffff8000013cee80\\n[  529.108985] x8 : 0000000000000018 x7 : 000000007b1703f8 x6 \\n---truncated---\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.46\", \"versionStartIncluding\": \"6.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.4.11\", \"versionStartIncluding\": \"6.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.5\", \"versionStartIncluding\": \"6.1\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-09-17T14:56:35.574Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-53342\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-14T18:43:02.092Z\", \"dateReserved\": \"2025-09-16T16:08:59.565Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-09-17T14:56:35.574Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.