CVE-2024-35897 (GCVE-0-2024-35897)

Vulnerability from cvelistv5 – Published: 2024-05-19 08:34 – Updated: 2026-08-05 11:30
VLAI
Title
netfilter: nf_tables: discard table flag update with pending basechain deletion
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: discard table flag update with pending basechain deletion Hook unregistration is deferred to the commit phase, same occurs with hook updates triggered by the table dormant flag. When both commands are combined, this results in deleting a basechain while leaving its hook still registered in the core.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: bf8083bbf8fa202e6e5316bbd99759ab82bfe7a3 , < e75faf01e22ec7dc671640fa0e0968964fafd2fc (git)
Affected: e10f661adc556c4969c70ddaddf238bffdaf1e87 , < 9a3b90904d8a072287480eed4c3ece4b99d64f78 (git)
Affected: d9c4da8cb74e8ee6e58a064a3573aa37acf6c935 , < b58d0ac35f6d75ec1db8650a29dfd6f292c11362 (git)
Affected: 179d9ba5559a756f4322583388b3213fe4e391b0 , < 6cbbe1ba76ee7e674a86abd43009b083a45838cb (git)
Affected: 179d9ba5559a756f4322583388b3213fe4e391b0 , < 2aeb805a1bcd5f27c8c0d1a9d4d653f16d1506f4 (git)
Affected: 179d9ba5559a756f4322583388b3213fe4e391b0 , < 9627fd0c6ea1c446741a33e67bc5709c59923827 (git)
Affected: 179d9ba5559a756f4322583388b3213fe4e391b0 , < 7f609f630951b624348373cef99991ce08831927 (git)
Affected: 179d9ba5559a756f4322583388b3213fe4e391b0 , < 1bc83a019bbe268be3526406245ec28c2458a518 (git)
Affected: 5.4.262 , < 5.4.274 (semver)
Affected: 5.10.202 , < 5.10.215 (semver)
Create a notification for this product.
Linux Linux Affected: 5.13
Unaffected: 0 , < 5.13 (semver)
Unaffected: 5.4.274 , ≤ 5.4.* (semver)
Unaffected: 5.10.215 , ≤ 5.10.* (semver)
Unaffected: 5.15.155 , ≤ 5.15.* (semver)
Unaffected: 6.1.86 , ≤ 6.1.* (semver)
Unaffected: 6.6.26 , ≤ 6.6.* (semver)
Unaffected: 6.8.5 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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      "id": "CVE-2024-35897",
      "initial_release_date": "2024-05-19T00:00:00+00:00",
      "product_status:fixed": "827",
      "product_status:known_affected": "50",
      "product_status:known_not_affected": "15",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: netfilter: nf_tables: discard table flag update with pending basechain deletion",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-35897.json",
      "version": "3"
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      "current_release_date": "2026-08-05T00:58:35Z",
      "cve": "CVE-2024-35897",
      "id": "CVE-2024-35897",
      "initial_release_date": "2024-05-21T01:59:24Z",
      "product_status:known_affected": "401",
      "product_status:known_not_affected": "181",
      "product_status:recommended": "697",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-35897",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-35897.json",
      "version": "93"
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The vulnerability is reached through an nfnetlink/nf_tables netlink batch transaction (NFT_MSG_DELCHAIN + NFT_MSG_NEWTABLE flag update), which requires local access to the system; per kernel guidance netfilter/nftables is Local.\\nAC:L - The attacker deterministically constructs the offending single batch (delete basechain, then set the table dormant flag) and then triggers the stale hook at will with self-generated traffic in their own netns; no race or uncontrollable precondition is involved.\\nPR:L - nfnetlink_rcv() requires only ns_capable(net-\u003euser_ns, CAP_NET_ADMIN), which an unprivileged user obtains via \\\"unshare -Urn\\\" on distributions that enable unprivileged user namespaces, so basic user privileges suffice.\\nUI:N - The attacker performs the entire sequence \\u2014 batch submission, heap spray, and packet generation through the stale hook \\u2014 with no action from any other user.\\nS:U - The freed basechain and the netfilter hook infrastructure are both kernel objects in the same security authority; this is standard kernel privilege escalation with no VM/IOMMU boundary crossed.\\nC:H - The dangling nf_hook_entry makes nft_do_chain() dereference a freed, attacker-reallocatable nft_base_chain (chain-\u003eblob_gen_0 and the rule blob), yielding a use-after-free read primitive over arbitrary kernel memory.\\nI:H - After spraying the freed kmalloc-cg basechain, the attacker controls the rule blob and thus expr-\u003eops-\u003eeval, giving an indirect call through an attacker-controlled function pointer \\u2014 full control-flow hijack and kernel memory modification.\\nA:H - Even without exploitation, the first packet through the stale hook dereferences freed memory, causing an oops/panic (or a \\\"hook not found\\\" WARN in the mirrored ordering), taking down the kernel.\"}]}], \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"bf8083bbf8fa202e6e5316bbd99759ab82bfe7a3\", \"lessThan\": \"e75faf01e22ec7dc671640fa0e0968964fafd2fc\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e10f661adc556c4969c70ddaddf238bffdaf1e87\", \"lessThan\": \"9a3b90904d8a072287480eed4c3ece4b99d64f78\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d9c4da8cb74e8ee6e58a064a3573aa37acf6c935\", \"lessThan\": \"b58d0ac35f6d75ec1db8650a29dfd6f292c11362\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"179d9ba5559a756f4322583388b3213fe4e391b0\", \"lessThan\": \"6cbbe1ba76ee7e674a86abd43009b083a45838cb\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"179d9ba5559a756f4322583388b3213fe4e391b0\", \"lessThan\": \"2aeb805a1bcd5f27c8c0d1a9d4d653f16d1506f4\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"179d9ba5559a756f4322583388b3213fe4e391b0\", \"lessThan\": \"9627fd0c6ea1c446741a33e67bc5709c59923827\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"179d9ba5559a756f4322583388b3213fe4e391b0\", \"lessThan\": \"7f609f630951b624348373cef99991ce08831927\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"179d9ba5559a756f4322583388b3213fe4e391b0\", \"lessThan\": \"1bc83a019bbe268be3526406245ec28c2458a518\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5.4.262\", \"lessThan\": \"5.4.274\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"5.10.202\", \"lessThan\": \"5.10.215\", \"versionType\": \"semver\"}], \"programFiles\": [\"net/netfilter/nf_tables_api.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.13\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.13\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.4.274\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.215\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.155\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.86\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.26\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8.5\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.8.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/netfilter/nf_tables_api.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/e75faf01e22ec7dc671640fa0e0968964fafd2fc\"}, {\"url\": \"https://git.kernel.org/stable/c/9a3b90904d8a072287480eed4c3ece4b99d64f78\"}, {\"url\": \"https://git.kernel.org/stable/c/b58d0ac35f6d75ec1db8650a29dfd6f292c11362\"}, {\"url\": \"https://git.kernel.org/stable/c/6cbbe1ba76ee7e674a86abd43009b083a45838cb\"}, {\"url\": \"https://git.kernel.org/stable/c/2aeb805a1bcd5f27c8c0d1a9d4d653f16d1506f4\"}, {\"url\": \"https://git.kernel.org/stable/c/9627fd0c6ea1c446741a33e67bc5709c59923827\"}, {\"url\": \"https://git.kernel.org/stable/c/7f609f630951b624348373cef99991ce08831927\"}, {\"url\": \"https://git.kernel.org/stable/c/1bc83a019bbe268be3526406245ec28c2458a518\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetfilter: nf_tables: discard table flag update with pending basechain deletion\\n\\nHook unregistration is deferred to the commit phase, same occurs with\\nhook updates triggered by the table dormant flag. When both commands are\\ncombined, this results in deleting a basechain while leaving its hook\\nstill registered in the core.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.274\", \"versionStartIncluding\": \"5.4.262\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.215\", \"versionStartIncluding\": \"5.10.202\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.155\", \"versionStartIncluding\": \"5.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.86\", \"versionStartIncluding\": \"5.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.26\", \"versionStartIncluding\": \"5.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.5\", \"versionStartIncluding\": \"5.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9\", \"versionStartIncluding\": \"5.13\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-08-05T11:30:48.771Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-35897\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-05T11:30:48.771Z\", \"dateReserved\": \"2024-05-17T13:50:33.114Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-19T08:34:51.799Z\", \"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.