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CVE-2024-50152 (GCVE-0-2024-50152)

Vulnerability from cvelistv5 – Published: 2024-11-07 09:31 – Updated: 2026-08-05 11:42
VLAI
Title
smb: client: fix possible double free in smb2_set_ea()
Summary
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix possible double free in smb2_set_ea() Clang static checker(scan-build) warning： fs/smb/client/smb2ops.c:1304:2: Attempt to free released memory. 1304 | kfree(ea); | ^~~~~~~~~ There is a double free in such case: 'ea is initialized to NULL' -> 'first successful memory allocation for ea' -> 'something failed, goto sea_exit' -> 'first memory release for ea' -> 'goto replay_again' -> 'second goto sea_exit before allocate memory for ea' -> 'second memory release for ea resulted in double free'. Re-initialie 'ea' to NULL near to the replay_again label, it can fix this double free problem.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 433042a91f9373241307725b52de573933ffedbf , < b1813c220b76f60b1727984794377c4aa849d4c1 (git)
Affected: 4f1fffa2376922f3d1d506e49c0fd445b023a28e , < c9f758ecf2562dfdd4adf12c22921b5de8366123 (git)
Affected: 4f1fffa2376922f3d1d506e49c0fd445b023a28e , < 19ebc1e6cab334a8193398d4152deb76019b5d34 (git)
Affected: 6.6.32 , < 6.6.59 (semver)
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Linux Linux Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 6.6.59 , ≤ 6.6.* (semver)
Unaffected: 6.11.6 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
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      "current_release_date": "2026-08-31T00:28:24Z",
      "cve": "CVE-2024-50152",
      "id": "CVE-2024-50152",
      "initial_release_date": "2024-11-08T03:49:02Z",
      "product_status:known_affected": "394",
      "product_status:known_not_affected": "421",
      "product_status:recommended": "328",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-50152",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-50152.json",
      "version": "53"
    }
  }
}



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Tags
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.


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.