CVE-2024-26828 (GCVE-0-2024-26828)

Vulnerability from cvelistv5 – Published: 2024-04-17 09:43 – Updated: 2026-05-11 20:04
VLAI
Title
cifs: fix underflow in parse_server_interfaces()
Summary
In the Linux kernel, the following vulnerability has been resolved: cifs: fix underflow in parse_server_interfaces() In this loop, we step through the buffer and after each item we check if the size_left is greater than the minimum size we need. However, the problem is that "bytes_left" is type ssize_t while sizeof() is type size_t. That means that because of type promotion, the comparison is done as an unsigned and if we have negative bytes left the loop continues instead of ending.
Severity
6.7 (Medium)
CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: fe856be475f7cf5ffcde57341d175ce9fd09434b , < 7190353835b4a219abb70f90b06cdcae97f11512 (git)
Affected: fe856be475f7cf5ffcde57341d175ce9fd09434b , < f7ff1c89fb6e9610d2b01c1821727729e6609308 (git)
Affected: fe856be475f7cf5ffcde57341d175ce9fd09434b , < df2af9fdbc4ddde18a3371c4ca1a86596e8be301 (git)
Affected: fe856be475f7cf5ffcde57341d175ce9fd09434b , < cffe487026be13eaf37ea28b783d9638ab147204 (git)
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Linux Linux Affected: 4.18
Unaffected: 0 , < 4.18 (semver)
Unaffected: 6.1.79 , ≤ 6.1.* (semver)
Unaffected: 6.6.18 , ≤ 6.6.* (semver)
Unaffected: 6.7.6 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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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.