Medium [CVE-2026-72152] Use wait_woken in wait_for_tmp_stat
This medium-severity Red Hat Linux advisory covers CVE-2026-72152 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9.
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Summary
A flaw was found in the Linux kernel's Trusted Platform Module (TPM) TIS SPI driver. The `wait_event_interruptible_timeout()` function incorrectly evaluates its condition after setting the task state, which can trigger a warning when debugging atomic sleeps and using the Interrupt Request (IRQ) wait path.
This could potentially lead to system instability or unexpected behavior. The issue has been resolved by implementing proper task state handling and using `wait_woken()` for changes.
Red Hat severity: Low — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-821.
Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9. Red Hat does not currently list a fixing RHSA for this CVE.
Affected products named by the advisory: Red Hat package: kernel-rt.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 55 minutes ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 55 minutes ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 55 minutes ago·verify at source
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