linux: In the Linux kernel, the following vulnerability has been resolved: tools/power turbostat: Fix offset overflow issue...
CVE-2021-46940 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-46940, released February 27, 2024. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 5.10.38-1 | DEBIAN-CVE-2021-46940 | Feb 27, 2024 |
| linux · Debian 13.5 (trixie) | 5.10.38-1 | DEBIAN-CVE-2021-46940 | Feb 27, 2024 |
| linux · Debian 14 | 5.10.38-1 | DEBIAN-CVE-2021-46940 | Feb 27, 2024 |
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