CVE-2026-98498net/mlx5: Fix rev_entry reference leak in mlx5_tc_ct_shared_counter_get()
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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.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 18, 2026
- First seen by InfoSec Signals
- Oct 18, 2026
Affected products
Linux Linux linux:linux (from the name) | from 1edae2335adfa7006853e8b427f0c7c3f46b51dd before 598daa5f95883f881a54967da40ce0fdfc1fdaa8; from 1edae2335adfa7006853e8b427f0c7c3f46b51dd before 79a3257280a335bbebbcd10d3895e8468bdcd6ae; from 1edae2335adfa7006853e8b427f0c7c3f46b51dd before c45c997d0c27359b502587897f775c5a277f0bd4; from 1edae2335adfa7006853e8b427f0c7c3f46b51dd before 288721013605b4e0304e10f6a087b77f71cfad11; from 1edae2335adfa7006853e8b427f0c7c3f46b51dd before 60eab87d0a798070bf5a856b1d9e5785ce92da53; from 1edae2335adfa7006853e8b427f0c7c3f46b51dd before 99d8dc51663747078c031acac32edc6d90c8f1f7; from 1edae2335adfa7006853e8b427f0c7c3f46b51dd before 1f13989a0704bd98cab09f9bee63e2c8a98ad4dd; 1edae2335adfa7006853e8b427f0c7c3f46b51dd builds before 0bf6bb567f0edaa771e7dd208ef98da50e6a4485 | CNA record |
References
- https://git.kernel.org/stable/c/598daa5f95883f881a54967da40ce0fdfc1fdaa8
- https://git.kernel.org/stable/c/79a3257280a335bbebbcd10d3895e8468bdcd6ae
- https://git.kernel.org/stable/c/c45c997d0c27359b502587897f775c5a277f0bd4
- https://git.kernel.org/stable/c/288721013605b4e0304e10f6a087b77f71cfad11
- https://git.kernel.org/stable/c/60eab87d0a798070bf5a856b1d9e5785ce92da53
- https://git.kernel.org/stable/c/99d8dc51663747078c031acac32edc6d90c8f1f7
- https://git.kernel.org/stable/c/1f13989a0704bd98cab09f9bee63e2c8a98ad4dd
- https://git.kernel.org/stable/c/0bf6bb567f0edaa771e7dd208ef98da50e6a4485
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.