{"id":"CVE-2026-98498","title":"net/mlx5: Fix rev_entry reference leak in mlx5_tc_ct_shared_counter_get()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Fix rev_entry reference leak in mlx5_tc_ct_shared_counter_get()\n\nWhen the reverse entry is found but its counter is already being\nreleased, refcount_inc_not_z…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 1edae2335adfa7006853e8b427f0c7c3f46b51dd < 598daa5f95883f881a54967da40ce0fdfc1fdaa8","Linux >= 1edae2335adfa7006853e8b427f0c7c3f46b51dd < 79a3257280a335bbebbcd10d3895e8468bdcd6ae","Linux >= 1edae2335adfa7006853e8b427f0c7c3f46b51dd < c45c997d0c27359b502587897f775c5a277f0bd4","Linux >= 1edae2335adfa7006853e8b427f0c7c3f46b51dd < 288721013605b4e0304e10f6a087b77f71cfad11","Linux >= 1edae2335adfa7006853e8b427f0c7c3f46b51dd < 60eab87d0a798070bf5a856b1d9e5785ce92da53","Linux >= 1edae2335adfa7006853e8b427f0c7c3f46b51dd < 99d8dc51663747078c031acac32edc6d90c8f1f7","Linux >= 1edae2335adfa7006853e8b427f0c7c3f46b51dd < 1f13989a0704bd98cab09f9bee63e2c8a98ad4dd","Linux >= 1edae2335adfa7006853e8b427f0c7c3f46b51dd < 0bf6bb567f0edaa771e7dd208ef98da50e6a4485","Linux 5.10"],"published":"2026-10-18","updated":"2026-10-18","sourceUpdated":"2026-10-18T15:16:30.116Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98498","references":[{"url":"https://git.kernel.org/stable/c/598daa5f95883f881a54967da40ce0fdfc1fdaa8"},{"url":"https://git.kernel.org/stable/c/79a3257280a335bbebbcd10d3895e8468bdcd6ae"},{"url":"https://git.kernel.org/stable/c/c45c997d0c27359b502587897f775c5a277f0bd4"},{"url":"https://git.kernel.org/stable/c/288721013605b4e0304e10f6a087b77f71cfad11"},{"url":"https://git.kernel.org/stable/c/60eab87d0a798070bf5a856b1d9e5785ce92da53"},{"url":"https://git.kernel.org/stable/c/99d8dc51663747078c031acac32edc6d90c8f1f7"},{"url":"https://git.kernel.org/stable/c/1f13989a0704bd98cab09f9bee63e2c8a98ad4dd"},{"url":"https://git.kernel.org/stable/c/0bf6bb567f0edaa771e7dd208ef98da50e6a4485"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T15:45:12.289Z","slug":"CVE-2026-98498","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Fix rev_entry reference leak in mlx5_tc_ct_shared_counter_get()\n\nWhen the reverse entry is found but its counter is already being\nreleased, refcount_inc_not_zero() fails and the reference taken by\nmlx5_tc_ct_entry_get() is never dropped before falling through to\ncreate_counter.  Drop it so the reverse entry is not kept alive forever\nby a shared counter lookup that did not use it.\n\n## Affected\n\n- `Linux >= 1edae2335adfa7006853e8b427f0c7c3f46b51dd < 598daa5f95883f881a54967da40ce0fdfc1fdaa8`\n- `Linux >= 1edae2335adfa7006853e8b427f0c7c3f46b51dd < 79a3257280a335bbebbcd10d3895e8468bdcd6ae`\n- `Linux >= 1edae2335adfa7006853e8b427f0c7c3f46b51dd < c45c997d0c27359b502587897f775c5a277f0bd4`\n- `Linux >= 1edae2335adfa7006853e8b427f0c7c3f46b51dd < 288721013605b4e0304e10f6a087b77f71cfad11`\n- `Linux >= 1edae2335adfa7006853e8b427f0c7c3f46b51dd < 60eab87d0a798070bf5a856b1d9e5785ce92da53`\n- `Linux >= 1edae2335adfa7006853e8b427f0c7c3f46b51dd < 99d8dc51663747078c031acac32edc6d90c8f1f7`\n- `Linux >= 1edae2335adfa7006853e8b427f0c7c3f46b51dd < 1f13989a0704bd98cab09f9bee63e2c8a98ad4dd`\n- `Linux >= 1edae2335adfa7006853e8b427f0c7c3f46b51dd < 0bf6bb567f0edaa771e7dd208ef98da50e6a4485`\n- `Linux 5.10`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}