CVE-2021-46920 — dmaengine: idxd: Fix clobbering of SWERR overflow bit on writeback
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix clobbering of SWERR overflow bit on writeback Current code blindly writes over the SWE…
Published: 2024-02-27 · CVSS: 5.5 · CVSS 3.1
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix clobbering of SWERR overflow bit on writeback Current code blindly writes over the SWERR and the OVERFLOW bits. Write back the bits actually read instead so the driver avoids clobbering the OVERFLOW bit that comes after the register is read.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7