Vulnerability-Lookup

FKIE_CVE-2024-35898

Vulnerability from fkie_nvd - Published: 2024-05-19 09:15 - Updated: 2026-10-15 01:17

Severity

7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() nft_unregister_flowtable_type() within nf_flow_inet_module_exit() can concurrent with __nft_flowtable_type_get() within nf_tables_newflowtable(). And thhere is not any protection when iterate over nf_tables_flowtables list in __nft_flowtable_type_get(). Therefore, there is pertential data-race of nf_tables_flowtables list entry. Use list_for_each_entry_rcu() to iterate over nf_tables_flowtables list in __nft_flowtable_type_get(), and use rcu_read_lock() in the caller nft_flowtable_type_get() to protect the entire type query process.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/24225011d81b471acc0e1e315b7d9905459a6304	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/2485bcfe05ee3cf9ca8923a94fa2e456924c79c8	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/69d1fe14a680042ec913f22196b58e2c8ff1b007	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/8b891153b2e4dc0ca9d9dab8f619d49c740813df	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/940d41caa71f0d3a52df2fde5fada524a993e331	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/9b5b7708ec2be21dd7ef8ca0e3abe4ae9f3b083b	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/a347bc8e6251eaee4b619da28020641eb5b0dd77	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e684b1674fd1ca4361812a491242ae871d6b2859	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/24225011d81b471acc0e1e315b7d9905459a6304	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/2485bcfe05ee3cf9ca8923a94fa2e456924c79c8	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/69d1fe14a680042ec913f22196b58e2c8ff1b007	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/8b891153b2e4dc0ca9d9dab8f619d49c740813df	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/940d41caa71f0d3a52df2fde5fada524a993e331	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/9b5b7708ec2be21dd7ef8ca0e3abe4ae9f3b083b	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/a347bc8e6251eaee4b619da28020641eb5b0dd77	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/e684b1674fd1ca4361812a491242ae871d6b2859	Patch
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html	Mailing List, Third Party Advisory
0b142b55-0307-4c5a-b3c9-f314f3fb7c5e	https://cert-portal.siemens.com/productcert/html/ssa-265688.html

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.9
linux	linux_kernel	6.9
debian	debian_linux	10.0

JSON

To clipboard

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          "vendor": "Linux",
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            },
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              "versionType": "semver"
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            },
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              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.274",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "5.10.215",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.154",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.85",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.26",
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              "lessThanOrEqual": "6.8.*",
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              "versionType": "semver"
            },
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              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.9",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V1.1.1",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
    }
  ],
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get()\n\nnft_unregister_flowtable_type() within nf_flow_inet_module_exit() can\nconcurrent with __nft_flowtable_type_get() within nf_tables_newflowtable().\nAnd thhere is not any protection when iterate over nf_tables_flowtables\nlist in __nft_flowtable_type_get(). Therefore, there is pertential\ndata-race of nf_tables_flowtables list entry.\n\nUse list_for_each_entry_rcu() to iterate over nf_tables_flowtables list\nin __nft_flowtable_type_get(), and use rcu_read_lock() in the caller\nnft_flowtable_type_get() to protect the entire type query process."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: netfilter: nf_tables: corrige una posible ejecuci\u00f3n de datos en __nft_flowtable_type_get() nft_unregister_flowtable_type() dentro de nf_flow_inet_module_exit() puede coincidir con __nft_flowtable_type_get() dentro de nf_tables_newflowtable(). Y no hay ninguna protecci\u00f3n cuando se itera sobre la lista nf_tables_flowtables en __nft_flowtable_type_get(). Por lo tanto, existe una posible ejecuci\u00f3n de datos de la entrada de la lista nf_tables_flowtables. Utilice list_for_each_entry_rcu() para iterar sobre la lista nf_tables_flowtables en __nft_flowtable_type_get() y utilice rcu_read_lock() en el llamador nft_flowtable_type_get() para proteger todo el proceso de consulta de tipos."
    }
  ],
  "id": "CVE-2024-35898",
  "lastModified": "2026-10-15T01:17:51.290",
  "metrics": {
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      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
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          "baseScore": 7.0,
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          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
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          "version": "3.1"
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        "type": "Secondary"
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          "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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        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
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        "ssvcData": {
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          "options": [
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              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-05-29T18:29:13.616197Z",
          "version": "2.0.3"
        }
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  "published": "2024-05-19T09:15:10.723",
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
    },
    {
      "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2024-35898 (GCVE-0-2024-35898)

Vulnerability from cvelistv5 – Published: 2024-05-19 08:34 – Updated: 2026-10-15 00:41

Title

netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get()

Summary

Severity

7 (High)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

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 · CISA-ADP (v2.0.3)

Decision recorded 2024-05-29 18:29 UTC

CWE

CWE-noinfo Not enough information

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 6665 records in the last 180 days details

References

11 references

URL	Tags
https://git.kernel.org/stable/c/69d1fe14a680042ec…
https://git.kernel.org/stable/c/a347bc8e6251eaee4…
https://git.kernel.org/stable/c/940d41caa71f0d3a5…
https://git.kernel.org/stable/c/2485bcfe05ee3cf9c…
https://git.kernel.org/stable/c/9b5b7708ec2be21dd…
https://git.kernel.org/stable/c/8b891153b2e4dc0ca…
https://git.kernel.org/stable/c/e684b1674fd1ca436…
https://git.kernel.org/stable/c/24225011d81b471ac…
https://lists.debian.org/debian-lts-announce/2024…	x_transferred
https://lists.debian.org/debian-lts-announce/2024…	x_transferred
https://cert-portal.siemens.com/productcert/html/…

Impacted products

3 products

Vendor	Product	Version
Linux	Linux	Affected: 3b49e2e94e6ebb8b23d0955d9e898254455734f8 , < 69d1fe14a680042ec913f22196b58e2c8ff1b007 (git) Affected: 3b49e2e94e6ebb8b23d0955d9e898254455734f8 , < a347bc8e6251eaee4b619da28020641eb5b0dd77 (git) Affected: 3b49e2e94e6ebb8b23d0955d9e898254455734f8 , < 940d41caa71f0d3a52df2fde5fada524a993e331 (git) Affected: 3b49e2e94e6ebb8b23d0955d9e898254455734f8 , < 2485bcfe05ee3cf9ca8923a94fa2e456924c79c8 (git) Affected: 3b49e2e94e6ebb8b23d0955d9e898254455734f8 , < 9b5b7708ec2be21dd7ef8ca0e3abe4ae9f3b083b (git) Affected: 3b49e2e94e6ebb8b23d0955d9e898254455734f8 , < 8b891153b2e4dc0ca9d9dab8f619d49c740813df (git) Affected: 3b49e2e94e6ebb8b23d0955d9e898254455734f8 , < e684b1674fd1ca4361812a491242ae871d6b2859 (git) Affected: 3b49e2e94e6ebb8b23d0955d9e898254455734f8 , < 24225011d81b471acc0e1e315b7d9905459a6304 (git)
Linux	Linux	Affected: 4.16 Unaffected: 0 , < 4.16 (semver) Unaffected: 4.19.312 , ≤ 4.19.* (semver) Unaffected: 5.4.274 , ≤ 5.4.* (semver) Unaffected: 5.10.215 , ≤ 5.10.* (semver) Unaffected: 5.15.154 , ≤ 5.15.* (semver) Unaffected: 6.1.85 , ≤ 6.1.* (semver) Unaffected: 6.6.26 , ≤ 6.6.* (semver) Unaffected: 6.8.5 , ≤ 6.8.* (semver) Unaffected: 6.9 , ≤ * (original_commit_for_fix)
Siemens	SIMATIC S7-1500 TM MFP - GNU/Linux subsystem	Affected: 0 , < V1.1.1 (custom)

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{
  "containers": {
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              "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",
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                "timestamp": "2024-05-29T18:29:13.616197Z",
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        "problemTypes": [
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                "lang": "en",
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            "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
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            "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
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        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "defaultStatus": "unknown",
            "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
            "vendor": "Siemens",
            "versions": [
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        "providerMetadata": {
          "dateUpdated": "2026-10-15T00:41:16.298Z",
          "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
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        "references": [
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            "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"
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        ],
        "x_adpType": "supplier"
      }
    ],
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          "versions": [
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          "vendor": "Linux",
          "versions": [
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              "version": "4.16"
            },
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              "status": "unaffected",
              "version": "0",
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              "version": "5.4.274",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.215",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.154",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.85",
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            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.26",
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            },
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              "lessThanOrEqual": "6.8.*",
              "status": "unaffected",
              "version": "6.8.5",
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            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.9",
              "versionType": "original_commit_for_fix"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get()\n\nnft_unregister_flowtable_type() within nf_flow_inet_module_exit() can\nconcurrent with __nft_flowtable_type_get() within nf_tables_newflowtable().\nAnd thhere is not any protection when iterate over nf_tables_flowtables\nlist in __nft_flowtable_type_get(). Therefore, there is pertential\ndata-race of nf_tables_flowtables list entry.\n\nUse list_for_each_entry_rcu() to iterate over nf_tables_flowtables list\nin __nft_flowtable_type_get(), and use rcu_read_lock() in the caller\nnft_flowtable_type_get() to protect the entire type query process."
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              "value": "AV:L - The vulnerable code is reached through the nfnetlink/nftables netlink socket interface (NFT_MSG_NEWFLOWTABLE batch message), which requires local system access. Per kernel scoring guidance, netfilter/nftables netlink paths are Local.\nAC:H - The attacker fully controls the reader side by spamming NFT_MSG_NEWFLOWTABLE, but the writer side is `nft_unregister_flowtable_type()`, reachable only from `nf_flow_inet_module_exit()` \u2014 i.e. an `rmmod` requiring real CAP_SYS_MODULE in the init namespace, which an unprivileged attacker cannot influence. Winning the window between latching `type` and `try_module_get(type-\u003eowner)` therefore depends on a privileged event outside attacker control.\nPR:L - `nfnetlink_rcv()` checks `netlink_net_capable(skb, CAP_NET_ADMIN)`, which evaluates against `sock_net(sk)-\u003euser_ns`, so an unprivileged user obtains the needed capability with `unshare -Urn`. No real root is required on the attacker\u0027s side of the race.\nUI:N - Exploitation requires only that the attacker issue netlink requests in a loop; no victim opens a file, mounts a filesystem, or otherwise participates. The concurrent administrative module unload is accounted for in Attack Complexity, not User Interaction.\nS:U - The race, the dangling pointer, and its consequences are all confined to the kernel\u0027s own security authority. No VM, IOMMU, or sandbox boundary is crossed.\nC:H - The unprotected traversal yields a dangling `struct nf_flowtable_type *` into freed module memory, which is then dereferenced (`type-\u003efamily`, `type-\u003eowner`) and chased into `struct module` inside `try_module_get()`. Per kernel guidance a use-after-free is scored High, since reclaimed memory contents become readable through the stale pointer.\nI:H - `try_module_get()` performs `atomic_inc_not_zero(\u0026module-\u003erefcnt)` through a pointer read from freed memory, and on success `nf_tables_newflowtable()` stores the stale `type` and invokes `type-\u003einit()` while `nft_flowtable_parse_hook()` installs `type-\u003ehook` as a live packet-processing callback \u2014 a control-flow hijack primitive if the module region is reclaimed. Use-after-free with function-pointer dereference is High integrity impact.\nA:H - Module memory is released via `execmem_free()`, so dereferencing the stale `type` typically faults on unmapped kernel address space, producing an oops/panic. Any use-after-free of this kind is scored High availability impact."
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        },
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        },
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          "url": "https://git.kernel.org/stable/c/24225011d81b471acc0e1e315b7d9905459a6304"
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      ],
      "title": "netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get()",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-35898",
    "datePublished": "2024-05-19T08:34:52.519Z",
    "dateReserved": "2024-05-17T13:50:33.114Z",
    "dateUpdated": "2026-10-15T00:41:16.298Z",
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}

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.

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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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