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CVE-2022-48643 (GCVE-0-2022-48643)

Vulnerability from cvelistv5 – Published: 2024-04-28 13:00 – Updated: 2026-05-11 18:44
VLAI
Title
netfilter: nf_tables: fix nft_counters_enabled underflow at nf_tables_addchain()
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix nft_counters_enabled underflow at nf_tables_addchain() syzbot is reporting underflow of nft_counters_enabled counter at nf_tables_addchain() [1], for commit 43eb8949cfdffa76 ("netfilter: nf_tables: do not leave chain stats enabled on error") missed that nf_tables_chain_destroy() after nft_basechain_init() in the error path of nf_tables_addchain() decrements the counter because nft_basechain_init() makes nft_is_base_chain() return true by setting NFT_CHAIN_BASE flag. Increment the counter immediately after returning from nft_basechain_init().
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-17 19:08 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: c907dfe4eaca9665694a0340de1458a093abe354 , < 710e3f526bd23a0d33435dedc52c3144de284378 (git)
Affected: 6d7ddee503951641f3ec6f0e3269446970bbcdab , < 91aa52652f4b37089aff3cb53e83049d826fef6d (git)
Affected: 98a621ef45e3605c7487f7fa6fec7df94697d6a2 , < 8bcad2a931313aeba076b76922d5813ef97d0a91 (git)
Affected: 43eb8949cfdffa764b92bc6c54b87cbe5b0003fe , < 921ebde3c0d22c8cba74ce8eb3cc4626abff1ccd (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.10.140 , < 5.10.146 (semver)
Affected: 5.15.64 , < 5.15.71 (semver)
Affected: 5.19.6 , < 5.19.12 (semver)
guessed Create a notification for this product.
Show details on NVD website
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      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/710e3f526bd23a0d33435dedc52c3144de284378\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/91aa52652f4b37089aff3cb53e83049d826fef6d\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/8bcad2a931313aeba076b76922d5813ef97d0a91\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/921ebde3c0d22c8cba74ce8eb3cc4626abff1ccd\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T15:17:55.519Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-48643\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-06-17T19:08:06.507072Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-06-17T19:08:12.454Z\"}}], \"cna\": {\"title\": \"netfilter: nf_tables: fix nft_counters_enabled underflow at nf_tables_addchain()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"c907dfe4eaca9665694a0340de1458a093abe354\", \"lessThan\": \"710e3f526bd23a0d33435dedc52c3144de284378\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"6d7ddee503951641f3ec6f0e3269446970bbcdab\", \"lessThan\": \"91aa52652f4b37089aff3cb53e83049d826fef6d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"98a621ef45e3605c7487f7fa6fec7df94697d6a2\", \"lessThan\": \"8bcad2a931313aeba076b76922d5813ef97d0a91\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"43eb8949cfdffa764b92bc6c54b87cbe5b0003fe\", \"lessThan\": \"921ebde3c0d22c8cba74ce8eb3cc4626abff1ccd\", \"versionType\": \"git\"}], \"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\": \"5.10.140\", \"lessThan\": \"5.10.146\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"5.15.64\", \"lessThan\": \"5.15.71\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"5.19.6\", \"lessThan\": \"5.19.12\", \"versionType\": \"semver\"}], \"programFiles\": [\"net/netfilter/nf_tables_api.c\"], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/710e3f526bd23a0d33435dedc52c3144de284378\"}, {\"url\": \"https://git.kernel.org/stable/c/91aa52652f4b37089aff3cb53e83049d826fef6d\"}, {\"url\": \"https://git.kernel.org/stable/c/8bcad2a931313aeba076b76922d5813ef97d0a91\"}, {\"url\": \"https://git.kernel.org/stable/c/921ebde3c0d22c8cba74ce8eb3cc4626abff1ccd\"}], \"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: fix nft_counters_enabled underflow at nf_tables_addchain()\\n\\nsyzbot is reporting underflow of nft_counters_enabled counter at\\nnf_tables_addchain() [1], for commit 43eb8949cfdffa76 (\\\"netfilter:\\nnf_tables: do not leave chain stats enabled on error\\\") missed that\\nnf_tables_chain_destroy() after nft_basechain_init() in the error path of\\nnf_tables_addchain() decrements the counter because nft_basechain_init()\\nmakes nft_is_base_chain() return true by setting NFT_CHAIN_BASE flag.\\n\\nIncrement the counter immediately after returning from\\nnft_basechain_init().\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.146\", \"versionStartIncluding\": \"5.10.140\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.71\", \"versionStartIncluding\": \"5.15.64\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.19.12\", \"versionStartIncluding\": \"5.19.6\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T18:44:20.427Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-48643\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T18:44:20.427Z\", \"dateReserved\": \"2024-02-25T13:44:28.316Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-04-28T13:00:03.181Z\", \"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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.