CVE-2024-50162 (GCVE-0-2024-50162)

Vulnerability from cvelistv5 – Published: 2024-11-07 09:31 – Updated: 2026-05-11 20:46
VLAI?
Title
bpf: devmap: provide rxq after redirect
Summary
In the Linux kernel, the following vulnerability has been resolved: bpf: devmap: provide rxq after redirect rxq contains a pointer to the device from where the redirect happened. Currently, the BPF program that was executed after a redirect via BPF_MAP_TYPE_DEVMAP* does not have it set. This is particularly bad since accessing ingress_ifindex, e.g. SEC("xdp") int prog(struct xdp_md *pkt) { return bpf_redirect_map(&dev_redirect_map, 0, 0); } SEC("xdp/devmap") int prog_after_redirect(struct xdp_md *pkt) { bpf_printk("ifindex %i", pkt->ingress_ifindex); return XDP_PASS; } depends on access to rxq, so a NULL pointer gets dereferenced: <1>[ 574.475170] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 574.475188] #PF: supervisor read access in kernel mode <1>[ 574.475194] #PF: error_code(0x0000) - not-present page <6>[ 574.475199] PGD 0 P4D 0 <4>[ 574.475207] Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI <4>[ 574.475217] CPU: 4 UID: 0 PID: 217 Comm: kworker/4:1 Not tainted 6.11.0-rc5-reduced-00859-g780801200300 #23 <4>[ 574.475226] Hardware name: Intel(R) Client Systems NUC13ANHi7/NUC13ANBi7, BIOS ANRPL357.0026.2023.0314.1458 03/14/2023 <4>[ 574.475231] Workqueue: mld mld_ifc_work <4>[ 574.475247] RIP: 0010:bpf_prog_5e13354d9cf5018a_prog_after_redirect+0x17/0x3c <4>[ 574.475257] Code: cc cc cc cc cc cc cc 80 00 00 00 cc cc cc cc cc cc cc cc f3 0f 1e fa 0f 1f 44 00 00 66 90 55 48 89 e5 f3 0f 1e fa 48 8b 57 20 <48> 8b 52 00 8b 92 e0 00 00 00 48 bf f8 a6 d5 c4 5d a0 ff ff be 0b <4>[ 574.475263] RSP: 0018:ffffa62440280c98 EFLAGS: 00010206 <4>[ 574.475269] RAX: ffffa62440280cd8 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 574.475274] RDX: 0000000000000000 RSI: ffffa62440549048 RDI: ffffa62440280ce0 <4>[ 574.475278] RBP: ffffa62440280c98 R08: 0000000000000002 R09: 0000000000000001 <4>[ 574.475281] R10: ffffa05dc8b98000 R11: ffffa05f577fca40 R12: ffffa05dcab24000 <4>[ 574.475285] R13: ffffa62440280ce0 R14: ffffa62440549048 R15: ffffa62440549000 <4>[ 574.475289] FS: 0000000000000000(0000) GS:ffffa05f4f700000(0000) knlGS:0000000000000000 <4>[ 574.475294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 574.475298] CR2: 0000000000000000 CR3: 000000025522e000 CR4: 0000000000f50ef0 <4>[ 574.475303] PKRU: 55555554 <4>[ 574.475306] Call Trace: <4>[ 574.475313] <IRQ> <4>[ 574.475318] ? __die+0x23/0x70 <4>[ 574.475329] ? page_fault_oops+0x180/0x4c0 <4>[ 574.475339] ? skb_pp_cow_data+0x34c/0x490 <4>[ 574.475346] ? kmem_cache_free+0x257/0x280 <4>[ 574.475357] ? exc_page_fault+0x67/0x150 <4>[ 574.475368] ? asm_exc_page_fault+0x26/0x30 <4>[ 574.475381] ? bpf_prog_5e13354d9cf5018a_prog_after_redirect+0x17/0x3c <4>[ 574.475386] bq_xmit_all+0x158/0x420 <4>[ 574.475397] __dev_flush+0x30/0x90 <4>[ 574.475407] veth_poll+0x216/0x250 [veth] <4>[ 574.475421] __napi_poll+0x28/0x1c0 <4>[ 574.475430] net_rx_action+0x32d/0x3a0 <4>[ 574.475441] handle_softirqs+0xcb/0x2c0 <4>[ 574.475451] do_softirq+0x40/0x60 <4>[ 574.475458] </IRQ> <4>[ 574.475461] <TASK> <4>[ 574.475464] __local_bh_enable_ip+0x66/0x70 <4>[ 574.475471] __dev_queue_xmit+0x268/0xe40 <4>[ 574.475480] ? selinux_ip_postroute+0x213/0x420 <4>[ 574.475491] ? alloc_skb_with_frags+0x4a/0x1d0 <4>[ 574.475502] ip6_finish_output2+0x2be/0x640 <4>[ 574.475512] ? nf_hook_slow+0x42/0xf0 <4>[ 574.475521] ip6_finish_output+0x194/0x300 <4>[ 574.475529] ? __pfx_ip6_finish_output+0x10/0x10 <4>[ 574.475538] mld_sendpack+0x17c/0x240 <4>[ 574.475548] mld_ifc_work+0x192/0x410 <4>[ 574.475557] process_one_work+0x15d/0x380 <4>[ 574.475566] worker_thread+0x29d/0x3a0 <4>[ 574.475573] ? __pfx_worker_thread+0x10/0x10 <4>[ 574.475580] ? __pfx_worker_thread+0x10/0x10 <4>[ 574.475587] kthread+0xcd/0x100 <4>[ 574.475597] ? __pfx_kthread+0x10/0x10 <4>[ 574.475606] ret_from_fork+0x31/0x50 <4>[ 574.475615] ? __pfx_kthread+0x10/0x10 <4>[ 574.475623] ret_from_fork_asm+0x1a/0x ---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
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: cb261b594b4108668e00f565184c7c221efe0359 , < fe068afb868660fe683a8391c6c17ecbe2254922 (git)
Affected: cb261b594b4108668e00f565184c7c221efe0359 , < a778fbe087c19f4ece5f5fc14173328f070c3803 (git)
Affected: cb261b594b4108668e00f565184c7c221efe0359 , < 49454f09936a9a96edfb047156889879cb4001eb (git)
Affected: cb261b594b4108668e00f565184c7c221efe0359 , < 9167d1c274a336e4763eeb3f3f9cb763c55df5aa (git)
Affected: cb261b594b4108668e00f565184c7c221efe0359 , < ca9984c5f0ab3690d98b13937b2485a978c8dd73 (git)
Create a notification for this product.
Linux Linux Affected: 5.14
Unaffected: 0 , < 5.14 (semver)
Unaffected: 5.15.170 , ≤ 5.15.* (semver)
Unaffected: 6.1.115 , ≤ 6.1.* (semver)
Unaffected: 6.6.59 , ≤ 6.6.* (semver)
Unaffected: 6.11.6 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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{
  "containers": {
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        "metrics": [
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            "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"
            }
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              "content": {
                "id": "CVE-2024-50162",
                "options": [
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                    "Exploitation": "none"
                  },
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                    "Automatable": "no"
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                "role": "CISA Coordinator",
                "timestamp": "2025-10-01T20:20:12.685878Z",
                "version": "2.0.3"
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              "type": "ssvc"
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        "providerMetadata": {
          "dateUpdated": "2025-10-01T20:27:12.062Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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        "references": [
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            "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
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        "title": "CVE Program Container"
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    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "kernel/bpf/devmap.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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              "lessThan": "a778fbe087c19f4ece5f5fc14173328f070c3803",
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              "versionType": "git"
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              "version": "5.14"
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              "version": "5.15.170",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.115",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.59",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.11.*",
              "status": "unaffected",
              "version": "6.11.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.12",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.170",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "6.1.115",
                  "versionStartIncluding": "5.14",
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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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              "negate": false,
              "operator": "OR"
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          ]
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: devmap: provide rxq after redirect\n\nrxq contains a pointer to the device from where\nthe redirect happened. Currently, the BPF program\nthat was executed after a redirect via BPF_MAP_TYPE_DEVMAP*\ndoes not have it set.\n\nThis is particularly bad since accessing ingress_ifindex, e.g.\n\nSEC(\"xdp\")\nint prog(struct xdp_md *pkt)\n{\n        return bpf_redirect_map(\u0026dev_redirect_map, 0, 0);\n}\n\nSEC(\"xdp/devmap\")\nint prog_after_redirect(struct xdp_md *pkt)\n{\n        bpf_printk(\"ifindex %i\", pkt-\u003eingress_ifindex);\n        return XDP_PASS;\n}\n\ndepends on access to rxq, so a NULL pointer gets dereferenced:\n\n\u003c1\u003e[  574.475170] BUG: kernel NULL pointer dereference, address: 0000000000000000\n\u003c1\u003e[  574.475188] #PF: supervisor read access in kernel mode\n\u003c1\u003e[  574.475194] #PF: error_code(0x0000) - not-present page\n\u003c6\u003e[  574.475199] PGD 0 P4D 0\n\u003c4\u003e[  574.475207] Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI\n\u003c4\u003e[  574.475217] CPU: 4 UID: 0 PID: 217 Comm: kworker/4:1 Not tainted 6.11.0-rc5-reduced-00859-g780801200300 #23\n\u003c4\u003e[  574.475226] Hardware name: Intel(R) Client Systems NUC13ANHi7/NUC13ANBi7, BIOS ANRPL357.0026.2023.0314.1458 03/14/2023\n\u003c4\u003e[  574.475231] Workqueue: mld mld_ifc_work\n\u003c4\u003e[  574.475247] RIP: 0010:bpf_prog_5e13354d9cf5018a_prog_after_redirect+0x17/0x3c\n\u003c4\u003e[  574.475257] Code: cc cc cc cc cc cc cc 80 00 00 00 cc cc cc cc cc cc cc cc f3 0f 1e fa 0f 1f 44 00 00 66 90 55 48 89 e5 f3 0f 1e fa 48 8b 57 20 \u003c48\u003e 8b 52 00 8b 92 e0 00 00 00 48 bf f8 a6 d5 c4 5d a0 ff ff be 0b\n\u003c4\u003e[  574.475263] RSP: 0018:ffffa62440280c98 EFLAGS: 00010206\n\u003c4\u003e[  574.475269] RAX: ffffa62440280cd8 RBX: 0000000000000001 RCX: 0000000000000000\n\u003c4\u003e[  574.475274] RDX: 0000000000000000 RSI: ffffa62440549048 RDI: ffffa62440280ce0\n\u003c4\u003e[  574.475278] RBP: ffffa62440280c98 R08: 0000000000000002 R09: 0000000000000001\n\u003c4\u003e[  574.475281] R10: ffffa05dc8b98000 R11: ffffa05f577fca40 R12: ffffa05dcab24000\n\u003c4\u003e[  574.475285] R13: ffffa62440280ce0 R14: ffffa62440549048 R15: ffffa62440549000\n\u003c4\u003e[  574.475289] FS:  0000000000000000(0000) GS:ffffa05f4f700000(0000) knlGS:0000000000000000\n\u003c4\u003e[  574.475294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n\u003c4\u003e[  574.475298] CR2: 0000000000000000 CR3: 000000025522e000 CR4: 0000000000f50ef0\n\u003c4\u003e[  574.475303] PKRU: 55555554\n\u003c4\u003e[  574.475306] Call Trace:\n\u003c4\u003e[  574.475313]  \u003cIRQ\u003e\n\u003c4\u003e[  574.475318]  ? __die+0x23/0x70\n\u003c4\u003e[  574.475329]  ? page_fault_oops+0x180/0x4c0\n\u003c4\u003e[  574.475339]  ? skb_pp_cow_data+0x34c/0x490\n\u003c4\u003e[  574.475346]  ? kmem_cache_free+0x257/0x280\n\u003c4\u003e[  574.475357]  ? exc_page_fault+0x67/0x150\n\u003c4\u003e[  574.475368]  ? asm_exc_page_fault+0x26/0x30\n\u003c4\u003e[  574.475381]  ? bpf_prog_5e13354d9cf5018a_prog_after_redirect+0x17/0x3c\n\u003c4\u003e[  574.475386]  bq_xmit_all+0x158/0x420\n\u003c4\u003e[  574.475397]  __dev_flush+0x30/0x90\n\u003c4\u003e[  574.475407]  veth_poll+0x216/0x250 [veth]\n\u003c4\u003e[  574.475421]  __napi_poll+0x28/0x1c0\n\u003c4\u003e[  574.475430]  net_rx_action+0x32d/0x3a0\n\u003c4\u003e[  574.475441]  handle_softirqs+0xcb/0x2c0\n\u003c4\u003e[  574.475451]  do_softirq+0x40/0x60\n\u003c4\u003e[  574.475458]  \u003c/IRQ\u003e\n\u003c4\u003e[  574.475461]  \u003cTASK\u003e\n\u003c4\u003e[  574.475464]  __local_bh_enable_ip+0x66/0x70\n\u003c4\u003e[  574.475471]  __dev_queue_xmit+0x268/0xe40\n\u003c4\u003e[  574.475480]  ? selinux_ip_postroute+0x213/0x420\n\u003c4\u003e[  574.475491]  ? alloc_skb_with_frags+0x4a/0x1d0\n\u003c4\u003e[  574.475502]  ip6_finish_output2+0x2be/0x640\n\u003c4\u003e[  574.475512]  ? nf_hook_slow+0x42/0xf0\n\u003c4\u003e[  574.475521]  ip6_finish_output+0x194/0x300\n\u003c4\u003e[  574.475529]  ? __pfx_ip6_finish_output+0x10/0x10\n\u003c4\u003e[  574.475538]  mld_sendpack+0x17c/0x240\n\u003c4\u003e[  574.475548]  mld_ifc_work+0x192/0x410\n\u003c4\u003e[  574.475557]  process_one_work+0x15d/0x380\n\u003c4\u003e[  574.475566]  worker_thread+0x29d/0x3a0\n\u003c4\u003e[  574.475573]  ? __pfx_worker_thread+0x10/0x10\n\u003c4\u003e[  574.475580]  ? __pfx_worker_thread+0x10/0x10\n\u003c4\u003e[  574.475587]  kthread+0xcd/0x100\n\u003c4\u003e[  574.475597]  ? __pfx_kthread+0x10/0x10\n\u003c4\u003e[  574.475606]  ret_from_fork+0x31/0x50\n\u003c4\u003e[  574.475615]  ? __pfx_kthread+0x10/0x10\n\u003c4\u003e[  574.475623]  ret_from_fork_asm+0x1a/0x\n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T20:46:38.681Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/fe068afb868660fe683a8391c6c17ecbe2254922"
        },
        {
          "url": "https://git.kernel.org/stable/c/a778fbe087c19f4ece5f5fc14173328f070c3803"
        },
        {
          "url": "https://git.kernel.org/stable/c/49454f09936a9a96edfb047156889879cb4001eb"
        },
        {
          "url": "https://git.kernel.org/stable/c/9167d1c274a336e4763eeb3f3f9cb763c55df5aa"
        },
        {
          "url": "https://git.kernel.org/stable/c/ca9984c5f0ab3690d98b13937b2485a978c8dd73"
        }
      ],
      "title": "bpf: devmap: provide rxq after redirect",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-50162",
    "datePublished": "2024-11-07T09:31:39.141Z",
    "dateReserved": "2024-10-21T19:36:19.961Z",
    "dateUpdated": "2026-05-11T20:46:38.681Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2024-50162",
      "date": "2026-05-19",
      "epss": "0.00013",
      "percentile": "0.02333"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.14\", \"versionEndExcluding\": \"5.15.170\", \"matchCriteriaId\": \"53E8194F-DD7E-4112-80DD-3E7EF9172D6D\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.16\", \"versionEndExcluding\": \"6.1.115\", \"matchCriteriaId\": \"C08A77A6-E42E-4EFD-B5A1-2BF6CBBB42AE\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.2\", \"versionEndExcluding\": \"6.6.59\", \"matchCriteriaId\": \"5D15CA59-D15C-4ACD-8B03-A072DEAD2081\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.7\", \"versionEndExcluding\": \"6.11.6\", \"matchCriteriaId\": \"E4486B12-007B-4794-9857-F07145637AA1\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*\", \"matchCriteriaId\": \"7F361E1D-580F-4A2D-A509-7615F73167A1\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*\", \"matchCriteriaId\": \"925478D0-3E3D-4E6F-ACD5-09F28D5DF82C\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*\", \"matchCriteriaId\": \"3C95E234-D335-4B6C-96BF-E2CEBD8654ED\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbpf: devmap: provide rxq after redirect\\n\\nrxq contains a pointer to the device from where\\nthe redirect happened. Currently, the BPF program\\nthat was executed after a redirect via BPF_MAP_TYPE_DEVMAP*\\ndoes not have it set.\\n\\nThis is particularly bad since accessing ingress_ifindex, e.g.\\n\\nSEC(\\\"xdp\\\")\\nint prog(struct xdp_md *pkt)\\n{\\n        return bpf_redirect_map(\u0026dev_redirect_map, 0, 0);\\n}\\n\\nSEC(\\\"xdp/devmap\\\")\\nint prog_after_redirect(struct xdp_md *pkt)\\n{\\n        bpf_printk(\\\"ifindex %i\\\", pkt-\u003eingress_ifindex);\\n        return XDP_PASS;\\n}\\n\\ndepends on access to rxq, so a NULL pointer gets dereferenced:\\n\\n\u003c1\u003e[  574.475170] BUG: kernel NULL pointer dereference, address: 0000000000000000\\n\u003c1\u003e[  574.475188] #PF: supervisor read access in kernel mode\\n\u003c1\u003e[  574.475194] #PF: error_code(0x0000) - not-present page\\n\u003c6\u003e[  574.475199] PGD 0 P4D 0\\n\u003c4\u003e[  574.475207] Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI\\n\u003c4\u003e[  574.475217] CPU: 4 UID: 0 PID: 217 Comm: kworker/4:1 Not tainted 6.11.0-rc5-reduced-00859-g780801200300 #23\\n\u003c4\u003e[  574.475226] Hardware name: Intel(R) Client Systems NUC13ANHi7/NUC13ANBi7, BIOS ANRPL357.0026.2023.0314.1458 03/14/2023\\n\u003c4\u003e[  574.475231] Workqueue: mld mld_ifc_work\\n\u003c4\u003e[  574.475247] RIP: 0010:bpf_prog_5e13354d9cf5018a_prog_after_redirect+0x17/0x3c\\n\u003c4\u003e[  574.475257] Code: cc cc cc cc cc cc cc 80 00 00 00 cc cc cc cc cc cc cc cc f3 0f 1e fa 0f 1f 44 00 00 66 90 55 48 89 e5 f3 0f 1e fa 48 8b 57 20 \u003c48\u003e 8b 52 00 8b 92 e0 00 00 00 48 bf f8 a6 d5 c4 5d a0 ff ff be 0b\\n\u003c4\u003e[  574.475263] RSP: 0018:ffffa62440280c98 EFLAGS: 00010206\\n\u003c4\u003e[  574.475269] RAX: ffffa62440280cd8 RBX: 0000000000000001 RCX: 0000000000000000\\n\u003c4\u003e[  574.475274] RDX: 0000000000000000 RSI: ffffa62440549048 RDI: ffffa62440280ce0\\n\u003c4\u003e[  574.475278] RBP: ffffa62440280c98 R08: 0000000000000002 R09: 0000000000000001\\n\u003c4\u003e[  574.475281] R10: ffffa05dc8b98000 R11: ffffa05f577fca40 R12: ffffa05dcab24000\\n\u003c4\u003e[  574.475285] R13: ffffa62440280ce0 R14: ffffa62440549048 R15: ffffa62440549000\\n\u003c4\u003e[  574.475289] FS:  0000000000000000(0000) GS:ffffa05f4f700000(0000) knlGS:0000000000000000\\n\u003c4\u003e[  574.475294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n\u003c4\u003e[  574.475298] CR2: 0000000000000000 CR3: 000000025522e000 CR4: 0000000000f50ef0\\n\u003c4\u003e[  574.475303] PKRU: 55555554\\n\u003c4\u003e[  574.475306] Call Trace:\\n\u003c4\u003e[  574.475313]  \u003cIRQ\u003e\\n\u003c4\u003e[  574.475318]  ? __die+0x23/0x70\\n\u003c4\u003e[  574.475329]  ? page_fault_oops+0x180/0x4c0\\n\u003c4\u003e[  574.475339]  ? skb_pp_cow_data+0x34c/0x490\\n\u003c4\u003e[  574.475346]  ? kmem_cache_free+0x257/0x280\\n\u003c4\u003e[  574.475357]  ? exc_page_fault+0x67/0x150\\n\u003c4\u003e[  574.475368]  ? asm_exc_page_fault+0x26/0x30\\n\u003c4\u003e[  574.475381]  ? bpf_prog_5e13354d9cf5018a_prog_after_redirect+0x17/0x3c\\n\u003c4\u003e[  574.475386]  bq_xmit_all+0x158/0x420\\n\u003c4\u003e[  574.475397]  __dev_flush+0x30/0x90\\n\u003c4\u003e[  574.475407]  veth_poll+0x216/0x250 [veth]\\n\u003c4\u003e[  574.475421]  __napi_poll+0x28/0x1c0\\n\u003c4\u003e[  574.475430]  net_rx_action+0x32d/0x3a0\\n\u003c4\u003e[  574.475441]  handle_softirqs+0xcb/0x2c0\\n\u003c4\u003e[  574.475451]  do_softirq+0x40/0x60\\n\u003c4\u003e[  574.475458]  \u003c/IRQ\u003e\\n\u003c4\u003e[  574.475461]  \u003cTASK\u003e\\n\u003c4\u003e[  574.475464]  __local_bh_enable_ip+0x66/0x70\\n\u003c4\u003e[  574.475471]  __dev_queue_xmit+0x268/0xe40\\n\u003c4\u003e[  574.475480]  ? selinux_ip_postroute+0x213/0x420\\n\u003c4\u003e[  574.475491]  ? alloc_skb_with_frags+0x4a/0x1d0\\n\u003c4\u003e[  574.475502]  ip6_finish_output2+0x2be/0x640\\n\u003c4\u003e[  574.475512]  ? nf_hook_slow+0x42/0xf0\\n\u003c4\u003e[  574.475521]  ip6_finish_output+0x194/0x300\\n\u003c4\u003e[  574.475529]  ? __pfx_ip6_finish_output+0x10/0x10\\n\u003c4\u003e[  574.475538]  mld_sendpack+0x17c/0x240\\n\u003c4\u003e[  574.475548]  mld_ifc_work+0x192/0x410\\n\u003c4\u003e[  574.475557]  process_one_work+0x15d/0x380\\n\u003c4\u003e[  574.475566]  worker_thread+0x29d/0x3a0\\n\u003c4\u003e[  574.475573]  ? __pfx_worker_thread+0x10/0x10\\n\u003c4\u003e[  574.475580]  ? __pfx_worker_thread+0x10/0x10\\n\u003c4\u003e[  574.475587]  kthread+0xcd/0x100\\n\u003c4\u003e[  574.475597]  ? __pfx_kthread+0x10/0x10\\n\u003c4\u003e[  574.475606]  ret_from_fork+0x31/0x50\\n\u003c4\u003e[  574.475615]  ? __pfx_kthread+0x10/0x10\\n\u003c4\u003e[  574.475623]  ret_from_fork_asm+0x1a/0x\\n---truncated---\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bpf: devmap: proporcionar rxq despu\\u00e9s de la redirecci\\u00f3n rxq contiene un puntero al dispositivo desde donde se produjo la redirecci\\u00f3n. Actualmente, el programa BPF que se ejecut\\u00f3 despu\\u00e9s de una redirecci\\u00f3n a trav\\u00e9s de BPF_MAP_TYPE_DEVMAP* no lo tiene configurado. Esto es particularmente malo ya que se accede a ingress_ifindex, p. ej. SEC(\\\"xdp\\\") int prog(struct xdp_md *pkt) { return bpf_redirect_map(\u0026amp;dev_redirect_map, 0, 0); } SEC(\\\"xdp/devmap\\\") int prog_after_redirect(struct xdp_md *pkt) { bpf_printk(\\\"ifindex %i\\\", pkt-\u0026gt;ingress_ifindex); return XDP_PASS; } depende del acceso a rxq, por lo que un puntero NULL se desreferencia: \u0026lt;1\u0026gt;[ 574.475170] ERROR: desreferencia de puntero NULL del n\\u00facleo, direcci\\u00f3n: 0000000000000000 \u0026lt;1\u0026gt;[ 574.475188] #PF: acceso de lectura del supervisor en modo n\\u00facleo \u0026lt;1\u0026gt;[ 574.475194] #PF: error_code(0x0000) - p\\u00e1gina no presente \u0026lt;6\u0026gt;[ 574.475199] PGD 0 P4D 0 \u0026lt;4\u0026gt;[ 574.475207] Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI \u0026lt;4\u0026gt;[ 574.475217] CPU: 4 UID: 0 PID: 217 Comm: kworker/4:1 No contaminado 6.11.0-rc5-reduced-00859-g780801200300 #23 \u0026lt;4\u0026gt;[ 574.475226] Nombre del hardware: Intel(R) Client Systems NUC13ANHi7/NUC13ANBi7, BIOS ANRPL357.0026.2023.0314.1458 14/03/2023 \u0026lt;4\u0026gt;[ 574.475231] Cola de trabajo: mld mld_ifc_work \u0026lt;4\u0026gt;[ 574.475247] RIP: 0010:bpf_prog_5e13354d9cf5018a_prog_after_redirect+0x17/0x3c \u0026lt;4\u0026gt;[ 574.475257] C\\u00f3digo: cc cc cc cc cc cc cc 80 00 00 00 cc cc cc cc cc cc cc cc f3 0f 1e fa 0f 1f 44 00 00 66 90 55 48 89 e5 f3 0f 1e fa 48 8b 57 20 \u0026lt;48\u0026gt; 8b 52 00 8b 92 e0 00 00 00 48 bf f8 a6 d5 c4 5d a0 ff ff be 0b \u0026lt;4\u0026gt;[ 574.475263] RSP: 0018:ffffa62440280c98 EFLAGS: 00010206 \u0026lt;4\u0026gt;[ 574.475269] RAX: ffffa62440280cd8 RBX: 00000000000000001 RCX: 0000000000000000 \u0026lt;4\u0026gt;[ 574.475274] RDX: 0000000000000000 RSI: ffffa62440549048 RDI: ffffa62440280ce0 \u0026lt;4\u0026gt;[ 574.475278] RBP: ffffa62440280c98 R08: 0000000000000002 R09: 0000000000000001 \u0026lt;4\u0026gt;[ 574.475281] R10: ffffa05dc8b98000 R11: ffffa05f577fca40 R12: ffffa05dcab24000 \u0026lt;4\u0026gt;[ 574.475285] R13: ffffa62440280ce0 R14: ffffa62440549048 R15: ffffa62440549000 \u0026lt;4\u0026gt;[ 574.475289] FS: 000000000000000(0000) GS:ffffa05f4f700000(0000) knlGS:0000000000000000 \u0026lt;4\u0026gt;[ 574.475294] CS: 0010 DS: 0000 ES: 0000 CR0: 000000080050033 \u0026lt;4\u0026gt;[ 574.475298] CR2: 0000000000000000 CR3: 000000025522e000 CR4: 0000000000f50ef0 \u0026lt;4\u0026gt;[ 574.475303] PKRU: 55555554 \u0026lt;4\u0026gt;[ 574.475306] Rastreo de llamadas: \u0026lt;4\u0026gt;[ 574.475313]  \u0026lt;4\u0026gt;[ 574.475318] ? __die+0x23/0x70 \u0026lt;4\u0026gt;[ 574.475329] ? page_fault_oops+0x180/0x4c0 \u0026lt;4\u0026gt;[ 574.475339] ? asm_exc_page_fault+0x26/0x30 \u0026lt;4\u0026gt;[ 574.475381] ? bpf_prog_5e13354d9cf5018a_prog_after_redirect+0x17/0x3c \u0026lt;4\u0026gt;[ 574.475386] bq_xmit_all+0x158/0x420 \u0026lt;4\u0026gt;[ 574.475397] __dev_flush+0x30/0x90 \u0026lt;4\u0026gt;[ 574.475407] veth_poll+0x216/0x250 [veth] \u0026lt;4\u0026gt;[ 574.475421] __napi_poll+0x28/0x1c0 \u0026lt;4\u0026gt;[ 574.475430] net_rx_action+0x32d/0x3a0 \u0026lt;4\u0026gt;[ 574.475441] selinux_ip_postroute+0x213/0x420 \u0026lt;4\u0026gt;[ 574.475491] ? nf_hook_slow+0x42/0xf0 \u0026lt;4\u0026gt;[ 574.475521] ip6_finish_output+0x194/0x300 \u0026lt;4\u0026gt;[ 574.475529] ? __pfx_ip6_finish_output+0x10/0x10 \u0026lt;4\u0026gt;[ 574.475538] mld_sendpack+0x17c/0x240 \u0026lt;4\u0026gt;[ 574.475548] mld_ifc_work+0x192/0x410 \u0026lt;4\u0026gt;[ 574.475557] proceso_uno_trabajo+0x15d/0x380 \u0026lt;4\u0026gt;[ 574.475566] subproceso_trabajador+0x29d/0x3a0 \u0026lt;4\u0026gt;[ 574.475573] ? __pfx_worker_thread+0x10/0x10 \u0026lt;4\u0026gt;[ 574.475580] ? __pfx_worker_thread+0x10/0x10 \u0026lt;4\u0026gt;[ 574.475587] kthread+0xcd/0x100 \u0026lt;4\u0026gt;[ 574.475597] ? __pfx_kthread+0x10/0x10 \u0026lt;4\u0026gt;[ 574.475606] ret_from_fork+0x31/0x50 \u0026lt;4\u0026gt;[ 574.475615] ? __pfx_kthread+0x10/0x10 \u0026lt;4\u0026gt;[ 574.475623] ret_from_fork_asm+0x1a/0x ---truncado---\"}]",
      "id": "CVE-2024-50162",
      "lastModified": "2024-11-22T20:37:04.090",
      "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}]}",
      "published": "2024-11-07T10:15:07.553",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/49454f09936a9a96edfb047156889879cb4001eb\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/9167d1c274a336e4763eeb3f3f9cb763c55df5aa\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/a778fbe087c19f4ece5f5fc14173328f070c3803\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/ca9984c5f0ab3690d98b13937b2485a978c8dd73\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/fe068afb868660fe683a8391c6c17ecbe2254922\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Analyzed",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-noinfo\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-50162\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-11-07T10:15:07.553\",\"lastModified\":\"2025-11-03T23:16:56.970\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbpf: devmap: provide rxq after redirect\\n\\nrxq contains a pointer to the device from where\\nthe redirect happened. Currently, the BPF program\\nthat was executed after a redirect via BPF_MAP_TYPE_DEVMAP*\\ndoes not have it set.\\n\\nThis is particularly bad since accessing ingress_ifindex, e.g.\\n\\nSEC(\\\"xdp\\\")\\nint prog(struct xdp_md *pkt)\\n{\\n        return bpf_redirect_map(\u0026dev_redirect_map, 0, 0);\\n}\\n\\nSEC(\\\"xdp/devmap\\\")\\nint prog_after_redirect(struct xdp_md *pkt)\\n{\\n        bpf_printk(\\\"ifindex %i\\\", pkt-\u003eingress_ifindex);\\n        return XDP_PASS;\\n}\\n\\ndepends on access to rxq, so a NULL pointer gets dereferenced:\\n\\n\u003c1\u003e[  574.475170] BUG: kernel NULL pointer dereference, address: 0000000000000000\\n\u003c1\u003e[  574.475188] #PF: supervisor read access in kernel mode\\n\u003c1\u003e[  574.475194] #PF: error_code(0x0000) - not-present page\\n\u003c6\u003e[  574.475199] PGD 0 P4D 0\\n\u003c4\u003e[  574.475207] Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI\\n\u003c4\u003e[  574.475217] CPU: 4 UID: 0 PID: 217 Comm: kworker/4:1 Not tainted 6.11.0-rc5-reduced-00859-g780801200300 #23\\n\u003c4\u003e[  574.475226] Hardware name: Intel(R) Client Systems NUC13ANHi7/NUC13ANBi7, BIOS ANRPL357.0026.2023.0314.1458 03/14/2023\\n\u003c4\u003e[  574.475231] Workqueue: mld mld_ifc_work\\n\u003c4\u003e[  574.475247] RIP: 0010:bpf_prog_5e13354d9cf5018a_prog_after_redirect+0x17/0x3c\\n\u003c4\u003e[  574.475257] Code: cc cc cc cc cc cc cc 80 00 00 00 cc cc cc cc cc cc cc cc f3 0f 1e fa 0f 1f 44 00 00 66 90 55 48 89 e5 f3 0f 1e fa 48 8b 57 20 \u003c48\u003e 8b 52 00 8b 92 e0 00 00 00 48 bf f8 a6 d5 c4 5d a0 ff ff be 0b\\n\u003c4\u003e[  574.475263] RSP: 0018:ffffa62440280c98 EFLAGS: 00010206\\n\u003c4\u003e[  574.475269] RAX: ffffa62440280cd8 RBX: 0000000000000001 RCX: 0000000000000000\\n\u003c4\u003e[  574.475274] RDX: 0000000000000000 RSI: ffffa62440549048 RDI: ffffa62440280ce0\\n\u003c4\u003e[  574.475278] RBP: ffffa62440280c98 R08: 0000000000000002 R09: 0000000000000001\\n\u003c4\u003e[  574.475281] R10: ffffa05dc8b98000 R11: ffffa05f577fca40 R12: ffffa05dcab24000\\n\u003c4\u003e[  574.475285] R13: ffffa62440280ce0 R14: ffffa62440549048 R15: ffffa62440549000\\n\u003c4\u003e[  574.475289] FS:  0000000000000000(0000) GS:ffffa05f4f700000(0000) knlGS:0000000000000000\\n\u003c4\u003e[  574.475294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n\u003c4\u003e[  574.475298] CR2: 0000000000000000 CR3: 000000025522e000 CR4: 0000000000f50ef0\\n\u003c4\u003e[  574.475303] PKRU: 55555554\\n\u003c4\u003e[  574.475306] Call Trace:\\n\u003c4\u003e[  574.475313]  \u003cIRQ\u003e\\n\u003c4\u003e[  574.475318]  ? __die+0x23/0x70\\n\u003c4\u003e[  574.475329]  ? page_fault_oops+0x180/0x4c0\\n\u003c4\u003e[  574.475339]  ? skb_pp_cow_data+0x34c/0x490\\n\u003c4\u003e[  574.475346]  ? kmem_cache_free+0x257/0x280\\n\u003c4\u003e[  574.475357]  ? exc_page_fault+0x67/0x150\\n\u003c4\u003e[  574.475368]  ? asm_exc_page_fault+0x26/0x30\\n\u003c4\u003e[  574.475381]  ? bpf_prog_5e13354d9cf5018a_prog_after_redirect+0x17/0x3c\\n\u003c4\u003e[  574.475386]  bq_xmit_all+0x158/0x420\\n\u003c4\u003e[  574.475397]  __dev_flush+0x30/0x90\\n\u003c4\u003e[  574.475407]  veth_poll+0x216/0x250 [veth]\\n\u003c4\u003e[  574.475421]  __napi_poll+0x28/0x1c0\\n\u003c4\u003e[  574.475430]  net_rx_action+0x32d/0x3a0\\n\u003c4\u003e[  574.475441]  handle_softirqs+0xcb/0x2c0\\n\u003c4\u003e[  574.475451]  do_softirq+0x40/0x60\\n\u003c4\u003e[  574.475458]  \u003c/IRQ\u003e\\n\u003c4\u003e[  574.475461]  \u003cTASK\u003e\\n\u003c4\u003e[  574.475464]  __local_bh_enable_ip+0x66/0x70\\n\u003c4\u003e[  574.475471]  __dev_queue_xmit+0x268/0xe40\\n\u003c4\u003e[  574.475480]  ? selinux_ip_postroute+0x213/0x420\\n\u003c4\u003e[  574.475491]  ? alloc_skb_with_frags+0x4a/0x1d0\\n\u003c4\u003e[  574.475502]  ip6_finish_output2+0x2be/0x640\\n\u003c4\u003e[  574.475512]  ? nf_hook_slow+0x42/0xf0\\n\u003c4\u003e[  574.475521]  ip6_finish_output+0x194/0x300\\n\u003c4\u003e[  574.475529]  ? __pfx_ip6_finish_output+0x10/0x10\\n\u003c4\u003e[  574.475538]  mld_sendpack+0x17c/0x240\\n\u003c4\u003e[  574.475548]  mld_ifc_work+0x192/0x410\\n\u003c4\u003e[  574.475557]  process_one_work+0x15d/0x380\\n\u003c4\u003e[  574.475566]  worker_thread+0x29d/0x3a0\\n\u003c4\u003e[  574.475573]  ? __pfx_worker_thread+0x10/0x10\\n\u003c4\u003e[  574.475580]  ? __pfx_worker_thread+0x10/0x10\\n\u003c4\u003e[  574.475587]  kthread+0xcd/0x100\\n\u003c4\u003e[  574.475597]  ? __pfx_kthread+0x10/0x10\\n\u003c4\u003e[  574.475606]  ret_from_fork+0x31/0x50\\n\u003c4\u003e[  574.475615]  ? __pfx_kthread+0x10/0x10\\n\u003c4\u003e[  574.475623]  ret_from_fork_asm+0x1a/0x\\n---truncated---\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bpf: devmap: proporcionar rxq despu\u00e9s de la redirecci\u00f3n rxq contiene un puntero al dispositivo desde donde se produjo la redirecci\u00f3n. Actualmente, el programa BPF que se ejecut\u00f3 despu\u00e9s de una redirecci\u00f3n a trav\u00e9s de BPF_MAP_TYPE_DEVMAP* no lo tiene configurado. Esto es particularmente malo ya que se accede a ingress_ifindex, p. ej. SEC(\\\"xdp\\\") int prog(struct xdp_md *pkt) { return bpf_redirect_map(\u0026amp;dev_redirect_map, 0, 0); } SEC(\\\"xdp/devmap\\\") int prog_after_redirect(struct xdp_md *pkt) { bpf_printk(\\\"ifindex %i\\\", pkt-\u0026gt;ingress_ifindex); return XDP_PASS; } depende del acceso a rxq, por lo que un puntero NULL se desreferencia: \u0026lt;1\u0026gt;[ 574.475170] ERROR: desreferencia de puntero NULL del n\u00facleo, direcci\u00f3n: 0000000000000000 \u0026lt;1\u0026gt;[ 574.475188] #PF: acceso de lectura del supervisor en modo n\u00facleo \u0026lt;1\u0026gt;[ 574.475194] #PF: error_code(0x0000) - p\u00e1gina no presente \u0026lt;6\u0026gt;[ 574.475199] PGD 0 P4D 0 \u0026lt;4\u0026gt;[ 574.475207] Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI \u0026lt;4\u0026gt;[ 574.475217] CPU: 4 UID: 0 PID: 217 Comm: kworker/4:1 No contaminado 6.11.0-rc5-reduced-00859-g780801200300 #23 \u0026lt;4\u0026gt;[ 574.475226] Nombre del hardware: Intel(R) Client Systems NUC13ANHi7/NUC13ANBi7, BIOS ANRPL357.0026.2023.0314.1458 14/03/2023 \u0026lt;4\u0026gt;[ 574.475231] Cola de trabajo: mld mld_ifc_work \u0026lt;4\u0026gt;[ 574.475247] RIP: 0010:bpf_prog_5e13354d9cf5018a_prog_after_redirect+0x17/0x3c \u0026lt;4\u0026gt;[ 574.475257] C\u00f3digo: cc cc cc cc cc cc cc 80 00 00 00 cc cc cc cc cc cc cc cc f3 0f 1e fa 0f 1f 44 00 00 66 90 55 48 89 e5 f3 0f 1e fa 48 8b 57 20 \u0026lt;48\u0026gt; 8b 52 00 8b 92 e0 00 00 00 48 bf f8 a6 d5 c4 5d a0 ff ff be 0b \u0026lt;4\u0026gt;[ 574.475263] RSP: 0018:ffffa62440280c98 EFLAGS: 00010206 \u0026lt;4\u0026gt;[ 574.475269] RAX: ffffa62440280cd8 RBX: 00000000000000001 RCX: 0000000000000000 \u0026lt;4\u0026gt;[ 574.475274] RDX: 0000000000000000 RSI: ffffa62440549048 RDI: ffffa62440280ce0 \u0026lt;4\u0026gt;[ 574.475278] RBP: ffffa62440280c98 R08: 0000000000000002 R09: 0000000000000001 \u0026lt;4\u0026gt;[ 574.475281] R10: ffffa05dc8b98000 R11: ffffa05f577fca40 R12: ffffa05dcab24000 \u0026lt;4\u0026gt;[ 574.475285] R13: ffffa62440280ce0 R14: ffffa62440549048 R15: ffffa62440549000 \u0026lt;4\u0026gt;[ 574.475289] FS: 000000000000000(0000) GS:ffffa05f4f700000(0000) knlGS:0000000000000000 \u0026lt;4\u0026gt;[ 574.475294] CS: 0010 DS: 0000 ES: 0000 CR0: 000000080050033 \u0026lt;4\u0026gt;[ 574.475298] CR2: 0000000000000000 CR3: 000000025522e000 CR4: 0000000000f50ef0 \u0026lt;4\u0026gt;[ 574.475303] PKRU: 55555554 \u0026lt;4\u0026gt;[ 574.475306] Rastreo de llamadas: \u0026lt;4\u0026gt;[ 574.475313]  \u0026lt;4\u0026gt;[ 574.475318] ? __die+0x23/0x70 \u0026lt;4\u0026gt;[ 574.475329] ? page_fault_oops+0x180/0x4c0 \u0026lt;4\u0026gt;[ 574.475339] ? asm_exc_page_fault+0x26/0x30 \u0026lt;4\u0026gt;[ 574.475381] ? bpf_prog_5e13354d9cf5018a_prog_after_redirect+0x17/0x3c \u0026lt;4\u0026gt;[ 574.475386] bq_xmit_all+0x158/0x420 \u0026lt;4\u0026gt;[ 574.475397] __dev_flush+0x30/0x90 \u0026lt;4\u0026gt;[ 574.475407] veth_poll+0x216/0x250 [veth] \u0026lt;4\u0026gt;[ 574.475421] __napi_poll+0x28/0x1c0 \u0026lt;4\u0026gt;[ 574.475430] net_rx_action+0x32d/0x3a0 \u0026lt;4\u0026gt;[ 574.475441] selinux_ip_postroute+0x213/0x420 \u0026lt;4\u0026gt;[ 574.475491] ? nf_hook_slow+0x42/0xf0 \u0026lt;4\u0026gt;[ 574.475521] ip6_finish_output+0x194/0x300 \u0026lt;4\u0026gt;[ 574.475529] ? __pfx_ip6_finish_output+0x10/0x10 \u0026lt;4\u0026gt;[ 574.475538] mld_sendpack+0x17c/0x240 \u0026lt;4\u0026gt;[ 574.475548] mld_ifc_work+0x192/0x410 \u0026lt;4\u0026gt;[ 574.475557] proceso_uno_trabajo+0x15d/0x380 \u0026lt;4\u0026gt;[ 574.475566] subproceso_trabajador+0x29d/0x3a0 \u0026lt;4\u0026gt;[ 574.475573] ? __pfx_worker_thread+0x10/0x10 \u0026lt;4\u0026gt;[ 574.475580] ? __pfx_worker_thread+0x10/0x10 \u0026lt;4\u0026gt;[ 574.475587] kthread+0xcd/0x100 \u0026lt;4\u0026gt;[ 574.475597] ? __pfx_kthread+0x10/0x10 \u0026lt;4\u0026gt;[ 574.475606] ret_from_fork+0x31/0x50 \u0026lt;4\u0026gt;[ 574.475615] ? __pfx_kthread+0x10/0x10 \u0026lt;4\u0026gt;[ 574.475623] ret_from_fork_asm+0x1a/0x ---truncado---\"}],\"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\":\"5.14\",\"versionEndExcluding\":\"5.15.170\",\"matchCriteriaId\":\"53E8194F-DD7E-4112-80DD-3E7EF9172D6D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.115\",\"matchCriteriaId\":\"C08A77A6-E42E-4EFD-B5A1-2BF6CBBB42AE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.59\",\"matchCriteriaId\":\"5D15CA59-D15C-4ACD-8B03-A072DEAD2081\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.11.6\",\"matchCriteriaId\":\"E4486B12-007B-4794-9857-F07145637AA1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F361E1D-580F-4A2D-A509-7615F73167A1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"925478D0-3E3D-4E6F-ACD5-09F28D5DF82C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"3C95E234-D335-4B6C-96BF-E2CEBD8654ED\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/49454f09936a9a96edfb047156889879cb4001eb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9167d1c274a336e4763eeb3f3f9cb763c55df5aa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a778fbe087c19f4ece5f5fc14173328f070c3803\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ca9984c5f0ab3690d98b13937b2485a978c8dd73\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fe068afb868660fe683a8391c6c17ecbe2254922\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T22:26:19.094Z\"}}, {\"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-2024-50162\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-10-01T20:20:12.685878Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"description\": \"CWE-noinfo Not enough information\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-10-01T15:18:35.451Z\"}}], \"cna\": {\"title\": \"bpf: devmap: provide rxq after redirect\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"cb261b594b4108668e00f565184c7c221efe0359\", \"lessThan\": \"fe068afb868660fe683a8391c6c17ecbe2254922\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"cb261b594b4108668e00f565184c7c221efe0359\", \"lessThan\": \"a778fbe087c19f4ece5f5fc14173328f070c3803\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"cb261b594b4108668e00f565184c7c221efe0359\", \"lessThan\": \"49454f09936a9a96edfb047156889879cb4001eb\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"cb261b594b4108668e00f565184c7c221efe0359\", \"lessThan\": \"9167d1c274a336e4763eeb3f3f9cb763c55df5aa\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"cb261b594b4108668e00f565184c7c221efe0359\", \"lessThan\": \"ca9984c5f0ab3690d98b13937b2485a978c8dd73\", \"versionType\": \"git\"}], \"programFiles\": [\"kernel/bpf/devmap.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.14\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.14\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.15.170\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.115\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.59\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.6\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"kernel/bpf/devmap.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/fe068afb868660fe683a8391c6c17ecbe2254922\"}, {\"url\": \"https://git.kernel.org/stable/c/a778fbe087c19f4ece5f5fc14173328f070c3803\"}, {\"url\": \"https://git.kernel.org/stable/c/49454f09936a9a96edfb047156889879cb4001eb\"}, {\"url\": \"https://git.kernel.org/stable/c/9167d1c274a336e4763eeb3f3f9cb763c55df5aa\"}, {\"url\": \"https://git.kernel.org/stable/c/ca9984c5f0ab3690d98b13937b2485a978c8dd73\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbpf: devmap: provide rxq after redirect\\n\\nrxq contains a pointer to the device from where\\nthe redirect happened. Currently, the BPF program\\nthat was executed after a redirect via BPF_MAP_TYPE_DEVMAP*\\ndoes not have it set.\\n\\nThis is particularly bad since accessing ingress_ifindex, e.g.\\n\\nSEC(\\\"xdp\\\")\\nint prog(struct xdp_md *pkt)\\n{\\n        return bpf_redirect_map(\u0026dev_redirect_map, 0, 0);\\n}\\n\\nSEC(\\\"xdp/devmap\\\")\\nint prog_after_redirect(struct xdp_md *pkt)\\n{\\n        bpf_printk(\\\"ifindex %i\\\", pkt-\u003eingress_ifindex);\\n        return XDP_PASS;\\n}\\n\\ndepends on access to rxq, so a NULL pointer gets dereferenced:\\n\\n\u003c1\u003e[  574.475170] BUG: kernel NULL pointer dereference, address: 0000000000000000\\n\u003c1\u003e[  574.475188] #PF: supervisor read access in kernel mode\\n\u003c1\u003e[  574.475194] #PF: error_code(0x0000) - not-present page\\n\u003c6\u003e[  574.475199] PGD 0 P4D 0\\n\u003c4\u003e[  574.475207] Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI\\n\u003c4\u003e[  574.475217] CPU: 4 UID: 0 PID: 217 Comm: kworker/4:1 Not tainted 6.11.0-rc5-reduced-00859-g780801200300 #23\\n\u003c4\u003e[  574.475226] Hardware name: Intel(R) Client Systems NUC13ANHi7/NUC13ANBi7, BIOS ANRPL357.0026.2023.0314.1458 03/14/2023\\n\u003c4\u003e[  574.475231] Workqueue: mld mld_ifc_work\\n\u003c4\u003e[  574.475247] RIP: 0010:bpf_prog_5e13354d9cf5018a_prog_after_redirect+0x17/0x3c\\n\u003c4\u003e[  574.475257] Code: cc cc cc cc cc cc cc 80 00 00 00 cc cc cc cc cc cc cc cc f3 0f 1e fa 0f 1f 44 00 00 66 90 55 48 89 e5 f3 0f 1e fa 48 8b 57 20 \u003c48\u003e 8b 52 00 8b 92 e0 00 00 00 48 bf f8 a6 d5 c4 5d a0 ff ff be 0b\\n\u003c4\u003e[  574.475263] RSP: 0018:ffffa62440280c98 EFLAGS: 00010206\\n\u003c4\u003e[  574.475269] RAX: ffffa62440280cd8 RBX: 0000000000000001 RCX: 0000000000000000\\n\u003c4\u003e[  574.475274] RDX: 0000000000000000 RSI: ffffa62440549048 RDI: ffffa62440280ce0\\n\u003c4\u003e[  574.475278] RBP: ffffa62440280c98 R08: 0000000000000002 R09: 0000000000000001\\n\u003c4\u003e[  574.475281] R10: ffffa05dc8b98000 R11: ffffa05f577fca40 R12: ffffa05dcab24000\\n\u003c4\u003e[  574.475285] R13: ffffa62440280ce0 R14: ffffa62440549048 R15: ffffa62440549000\\n\u003c4\u003e[  574.475289] FS:  0000000000000000(0000) GS:ffffa05f4f700000(0000) knlGS:0000000000000000\\n\u003c4\u003e[  574.475294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n\u003c4\u003e[  574.475298] CR2: 0000000000000000 CR3: 000000025522e000 CR4: 0000000000f50ef0\\n\u003c4\u003e[  574.475303] PKRU: 55555554\\n\u003c4\u003e[  574.475306] Call Trace:\\n\u003c4\u003e[  574.475313]  \u003cIRQ\u003e\\n\u003c4\u003e[  574.475318]  ? __die+0x23/0x70\\n\u003c4\u003e[  574.475329]  ? page_fault_oops+0x180/0x4c0\\n\u003c4\u003e[  574.475339]  ? skb_pp_cow_data+0x34c/0x490\\n\u003c4\u003e[  574.475346]  ? kmem_cache_free+0x257/0x280\\n\u003c4\u003e[  574.475357]  ? exc_page_fault+0x67/0x150\\n\u003c4\u003e[  574.475368]  ? asm_exc_page_fault+0x26/0x30\\n\u003c4\u003e[  574.475381]  ? bpf_prog_5e13354d9cf5018a_prog_after_redirect+0x17/0x3c\\n\u003c4\u003e[  574.475386]  bq_xmit_all+0x158/0x420\\n\u003c4\u003e[  574.475397]  __dev_flush+0x30/0x90\\n\u003c4\u003e[  574.475407]  veth_poll+0x216/0x250 [veth]\\n\u003c4\u003e[  574.475421]  __napi_poll+0x28/0x1c0\\n\u003c4\u003e[  574.475430]  net_rx_action+0x32d/0x3a0\\n\u003c4\u003e[  574.475441]  handle_softirqs+0xcb/0x2c0\\n\u003c4\u003e[  574.475451]  do_softirq+0x40/0x60\\n\u003c4\u003e[  574.475458]  \u003c/IRQ\u003e\\n\u003c4\u003e[  574.475461]  \u003cTASK\u003e\\n\u003c4\u003e[  574.475464]  __local_bh_enable_ip+0x66/0x70\\n\u003c4\u003e[  574.475471]  __dev_queue_xmit+0x268/0xe40\\n\u003c4\u003e[  574.475480]  ? selinux_ip_postroute+0x213/0x420\\n\u003c4\u003e[  574.475491]  ? alloc_skb_with_frags+0x4a/0x1d0\\n\u003c4\u003e[  574.475502]  ip6_finish_output2+0x2be/0x640\\n\u003c4\u003e[  574.475512]  ? nf_hook_slow+0x42/0xf0\\n\u003c4\u003e[  574.475521]  ip6_finish_output+0x194/0x300\\n\u003c4\u003e[  574.475529]  ? __pfx_ip6_finish_output+0x10/0x10\\n\u003c4\u003e[  574.475538]  mld_sendpack+0x17c/0x240\\n\u003c4\u003e[  574.475548]  mld_ifc_work+0x192/0x410\\n\u003c4\u003e[  574.475557]  process_one_work+0x15d/0x380\\n\u003c4\u003e[  574.475566]  worker_thread+0x29d/0x3a0\\n\u003c4\u003e[  574.475573]  ? __pfx_worker_thread+0x10/0x10\\n\u003c4\u003e[  574.475580]  ? __pfx_worker_thread+0x10/0x10\\n\u003c4\u003e[  574.475587]  kthread+0xcd/0x100\\n\u003c4\u003e[  574.475597]  ? __pfx_kthread+0x10/0x10\\n\u003c4\u003e[  574.475606]  ret_from_fork+0x31/0x50\\n\u003c4\u003e[  574.475615]  ? __pfx_kthread+0x10/0x10\\n\u003c4\u003e[  574.475623]  ret_from_fork_asm+0x1a/0x\\n---truncated---\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.170\", \"versionStartIncluding\": \"5.14\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.115\", \"versionStartIncluding\": \"5.14\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.59\", \"versionStartIncluding\": \"5.14\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.6\", \"versionStartIncluding\": \"5.14\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"5.14\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:46:38.681Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-50162\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:46:38.681Z\", \"dateReserved\": \"2024-10-21T19:36:19.961Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-11-07T09:31:39.141Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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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.