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

Vulnerability from cvelistv5 – Published: 2024-04-28 13:00 – Updated: 2025-05-04 08:20
VLAI?
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.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: c907dfe4eaca9665694a0340de1458a093abe354 , < 710e3f526bd23a0d33435dedc52c3144de284378 (git)
Affected: 6d7ddee503951641f3ec6f0e3269446970bbcdab , < 91aa52652f4b37089aff3cb53e83049d826fef6d (git)
Affected: 98a621ef45e3605c7487f7fa6fec7df94697d6a2 , < 8bcad2a931313aeba076b76922d5813ef97d0a91 (git)
Affected: 43eb8949cfdffa764b92bc6c54b87cbe5b0003fe , < 921ebde3c0d22c8cba74ce8eb3cc4626abff1ccd (git)
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    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)
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      "dataType": "CVE_RECORD",
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  }
}


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Sightings

Author Source Type Date

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.