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CVE-2025-21800

net/mlx5: HWS, fix definer's HWS_SET32 macro for negative offset PUBLISHED

Description (CNA)

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

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 74a778b4a63faef9ff02aad0d332b209835f93e1 before 92cff996624c4757d5bbace3dfa3f1567ba94143; affected 74a778b4a63faef9ff02aad0d332b209835f93e1 before 69c676c0ded472713e6d1b3a456b3c4f52f66f0e; affected 74a778b4a63faef9ff02aad0d332b209835f93e1 before be482f1d10da781db9445d2753c1e3f1fd82babf
Linux / Linuxaffected 6.12; unaffected 0 before 6.12; unaffected 6.12.13 through 6.12.*; unaffected 6.13.2 through 6.13.*; unaffected 6.14 through *

CWE

No CWE identifiers supplied.

References