CVE-2022-49845 (GCVE-0-2022-49845)

Vulnerability from cvelistv5 – Published: 2025-05-01 14:09 – Updated: 2025-10-01 17:00
VLAI?
Title
can: j1939: j1939_send_one(): fix missing CAN header initialization
Summary
In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939_send_one(): fix missing CAN header initialization The read access to struct canxl_frame::len inside of a j1939 created skbuff revealed a missing initialization of reserved and later filled elements in struct can_frame. This patch initializes the 8 byte CAN header with zero.
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-908 - Use of Uninitialized Resource
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 9d71dd0c70099914fcd063135da3c580865e924c , < d0513b095e1ef1469718564dec3fb3348556d0a8 (git)
Affected: 9d71dd0c70099914fcd063135da3c580865e924c , < f8e0edeaa0f2b860bdbbf0aafb4492533043d650 (git)
Affected: 9d71dd0c70099914fcd063135da3c580865e924c , < 69e86c6268d59ceddd0abe9ae8f1f5296f316c3c (git)
Affected: 9d71dd0c70099914fcd063135da3c580865e924c , < 2719f82ad5d8199cf5f346ea8bb3998ad5323b72 (git)
Affected: 9d71dd0c70099914fcd063135da3c580865e924c , < 3eb3d283e8579a22b81dd2ac3987b77465b2a22f (git)
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    Linux Linux Affected: 5.4
Unaffected: 0 , < 5.4 (semver)
Unaffected: 5.4.225 , ≤ 5.4.* (semver)
Unaffected: 5.10.155 , ≤ 5.10.* (semver)
Unaffected: 5.15.79 , ≤ 5.15.* (semver)
Unaffected: 6.0.9 , ≤ 6.0.* (semver)
Unaffected: 6.1 , ≤ * (original_commit_for_fix)
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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.