CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2025-21800
High (7.8) in linux linux kernel. EPSS 0.2% chance of exploitation in the next 30 days.
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5: HWS, fix definer's HWS_SET32 macro for negative offset
When bit offset for HWS_SET32 macro is negative,
UBSAN complains about the shift-out-of-bounds:
UBSAN: shift-out-of-bounds in
drivers/net/ethernet/mellanox/mlx5/core/steering/hws/definer.c:177:2
shift exponent -8 is negative
Severity
- EPSS
- 0.2% chance of exploitation in the next 30 days; higher than 11% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- linux:linux_kernel