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CVE-2026-89872

media: v4l2-fwnode: Fix fwnode leak in v4l2_fwnode_parse_link

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, and 2 more
None on Exploit-DB, Metasploit or GitHub

Summary

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-fwnode: Fix fwnode leak in v4l2_fwnode_parse_link In v4l2_fwnode_parse_link(), the remote endpoint fwnode reference is acquired using fwnode_graph_get_remote_endpoint(). This reference is properly released in the error paths, but it is leaked on the success path. Add the missing fwnode_handle_put() before returning 0 to prevent the reference leak. [Sakari Ailus: Fix subject prefix and coding style a little.]

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From ca50c197bd9610ea984cfc0dc6855f183cbb46f8 · fixed in c9b5238d173ee9b94dcaa2b34244ea89c8024feb; From ca50c197bd9610ea984cfc0dc6855f183cbb46f8 · fixed in ccd8d1d80afab8b492a583ae81bfd295835bab2f; From ca50c197bd9610ea984cfc0dc6855f183cbb46f8 · fixed in d92dc4692834e04bc0ef1d0908589852050d1a66; From ca50c197bd9610ea984cfc0dc6855f183cbb46f8 · fixed in ef609b3ce456f021320fee2fb7e45094a3ccf232; From ca50c197bd9610ea984cfc0dc6855f183cbb46f8 · fixed in 578c4bfa28bf21458ecdde2fd3fc429475f34c10; From ca50c197bd9610ea984cfc0dc6855f183cbb46f8 · fixed in 3ced388b7908270529e5aa6d221840114b6c33bc; From ca50c197bd9610ea984cfc0dc6855f183cbb46f8 · fixed in 881aafb139520570fd3390bf9938d7098b7fbb99; From ca50c197bd9610ea984cfc0dc6855f183cbb46f8 · fixed in a6e86efd7f85e519bf48417f41923f8bd51f1597

  • Linux Linux

    4.13

  • KernelLinux

    From 4.13.0 · fixed in 5.10.270; From 5.11.0 · fixed in 5.15.221; From 5.16.0 · fixed in 6.1.188; From 6.2.0 · fixed in 6.6.157; From 6.7.0 · fixed in 6.12.110; From 6.13.0 · fixed in 6.18.51; From 6.19.0 · fixed in 7.2.5

References 8

git.kernel.org