CVE-2026-72345
CVE-2026-72345: 1 tracked advisory record across Red Hat. Compare vendor sources.
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Red Hat
1 advisory- Advisory severityMedium5.5
Medium [CVE-2026-72345] LAG, Fix off-by-one in single-FDB error rollback
CVE-2026-72345Source published Source updated
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: LAG, Fix off-by-one in single-FDB error rollback On failure at index i, the reverse cleanup loop in mlx5_lag_create_single_fdb() starts from i, so the failed index itself is rolled back. That can operate on uninitialized state or double-tear-down a rule the add_one path already self-rolled-back. Start the rollback from i - 1 so only successfully-installed entries are undone. A flaw was found in the Linux kernel's mlx5 LAG (Link Aggregation Group) driver. An off-by-one error in the `mlx5_lag_create_single_fdb()` function's error rollback mechanism can lead to operations on uninitialized memory or a double-free condition. This could result in system instability or a denial of service. Red Hat severity: Moderate —…
- Affected products in this advisory
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 9
- Red Hat package: kernel-rt
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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