In the Linux kernel, the following vulnerability has been resolved:
tools/power turbostat: Fix offset overflow issue in index converting
The idx_to_offset() function returns type int (32-bit signed), but
MSR_PKG_ENERGY_STAT is u32 and would be interpreted as a negative number.
The end result is that it hits the if (offset < 0) check in update_msr_sum()
which prevents the timer callback from updating the stat in the background when
long durations are used. The similar issue exists in offset_to_idx() and
update_msr_sum(). Fix this issue by converting the 'int' to 'off_t' accordingly.
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: Linux
Published: 2024-02-27T18:40:28.063Z
Updated: 2024-08-04T05:17:42.991Z
Reserved: 2024-02-25T13:45:52.721Z
Link: CVE-2021-46940
Vulnrichment
Updated: 2024-08-04T05:17:42.991Z
NVD
Status : Analyzed
Published: 2024-02-27T19:04:05.927
Modified: 2024-04-10T19:44:37.227
Link: CVE-2021-46940
Redhat