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CVE-2022-50048 (GCVE-0-2022-50048)

Vulnerability from cvelistv5 – Published: 2025-06-18 11:01 – Updated: 2026-08-05 08:57
VLAI
Title
netfilter: nf_tables: possible module reference underflow in error path
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: possible module reference underflow in error path dst->ops is set on when nft_expr_clone() fails, but module refcount has not been bumped yet, therefore nft_expr_destroy() leads to module reference underflow.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 8cfd9b0f8515e7c361bba27e2a2684cbd427fe01 , < b59bee8b05b0e789b5a298cacb09e8aaa3367a29 (git)
Affected: 8cfd9b0f8515e7c361bba27e2a2684cbd427fe01 , < 1e52e6cfec6342c3d0df47dc3a76724fb3dabf56 (git)
Affected: 8cfd9b0f8515e7c361bba27e2a2684cbd427fe01 , < c485c35ff6783ccd12c160fcac6a0e504e83e0bf (git)
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Linux Linux Affected: 5.11
Unaffected: 0 , < 5.11 (semver)
Unaffected: 5.15.63 , ≤ 5.15.* (semver)
Unaffected: 5.19.4 , ≤ 5.19.* (semver)
Unaffected: 6.0 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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}



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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

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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.


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