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CVE-2026-98498

net/mlx5: Fix rev_entry reference leak in mlx5_tc_ct_shared_counter_get()

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.112, and 2 more
None on Exploit-DB, Metasploit or GitHub

Summary

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix rev_entry reference leak in mlx5_tc_ct_shared_counter_get() When the reverse entry is found but its counter is already being released, refcount_inc_not_zero() fails and the reference taken by mlx5_tc_ct_entry_get() is never dropped before falling through to create_counter. Drop it so the reverse entry is not kept alive forever by a shared counter lookup that did not use it.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From 1edae2335adfa7006853e8b427f0c7c3f46b51dd · fixed in 598daa5f95883f881a54967da40ce0fdfc1fdaa8; From 1edae2335adfa7006853e8b427f0c7c3f46b51dd · fixed in 79a3257280a335bbebbcd10d3895e8468bdcd6ae; From 1edae2335adfa7006853e8b427f0c7c3f46b51dd · fixed in c45c997d0c27359b502587897f775c5a277f0bd4; From 1edae2335adfa7006853e8b427f0c7c3f46b51dd · fixed in 288721013605b4e0304e10f6a087b77f71cfad11; From 1edae2335adfa7006853e8b427f0c7c3f46b51dd · fixed in 60eab87d0a798070bf5a856b1d9e5785ce92da53; From 1edae2335adfa7006853e8b427f0c7c3f46b51dd · fixed in 99d8dc51663747078c031acac32edc6d90c8f1f7; From 1edae2335adfa7006853e8b427f0c7c3f46b51dd · fixed in 1f13989a0704bd98cab09f9bee63e2c8a98ad4dd; From 1edae2335adfa7006853e8b427f0c7c3f46b51dd · fixed in 0bf6bb567f0edaa771e7dd208ef98da50e6a4485

  • Linux Linux

    5.10

  • KernelLinux

    From 5.10.0 · fixed in 5.10.271; From 5.11.0 · fixed in 5.15.222; From 5.16.0 · fixed in 6.1.189; From 6.2.0 · fixed in 6.6.158; From 6.7.0 · fixed in 6.12.112; From 6.13.0 · fixed in 6.18.55; From 6.19.0 · fixed in 7.2.9

References 8

git.kernel.org