CVE-2022-50404 (GCVE-0-2022-50404)

Vulnerability from cvelistv5 – Published: 2025-09-18 16:03 – Updated: 2026-01-14 19:13
VLAI?
Title
fbdev: fbcon: release buffer when fbcon_do_set_font() failed
Summary
In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: release buffer when fbcon_do_set_font() failed syzbot is reporting memory leak at fbcon_do_set_font() [1], for commit a5a923038d70 ("fbdev: fbcon: Properly revert changes when vc_resize() failed") missed that the buffer might be newly allocated by fbcon_set_font().
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: ebd6f886aa2447fcfcdce5450c9e1028e1d681bb , < 88ec6d11052da527eb9268831e7a9bc5bbad02f6 (git)
Affected: a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24 , < 06926607b9fddf7ce8017493899ce6eb7e79a123 (git)
Affected: a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24 , < a609bfc1e644a8467cb31945ed1488374ebdc013 (git)
Affected: a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24 , < 3c3bfb8586f848317ceba5d777e11204ba3e5758 (git)
Affected: f08ccb792d3eaf1dc62d8cbf6a30d6522329f660 (git)
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    Linux Linux Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 5.15.86 , ≤ 5.15.* (semver)
Unaffected: 6.0.16 , ≤ 6.0.* (semver)
Unaffected: 6.1.2 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)
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Sightings

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  • 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.



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