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CVE-2026-98093

Linux kernel: information disclosure

Risk score
57/100
CVSS
7.8 v3.1
Exploit chance (30 days)
0.1%
Published
25 Sep 2026

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What to know

What it is
In the Linux kernel, the following vulnerability has been resolved: ASoC: fsl_micfil: balance mclk enable/disable hw_params() enables mclk unconditionally and hw_free() disables it unconditionally, but the PCM core does not guarantee 1:1 pairing: hw_free() can run without hw_params(), and hw_params() can be called mul…
Affected
Linux kernel
Fix
Apply the vendor's security update; see the linked advisory.
Exploitation
No known exploitation

Story map

Story map: Linux kernelTHE FLAWSTHE FIXCVE-2026-98093Information disclosureCVSS 7.8 · EPSS 0%CVE-2026-98130Race conditionCVSS 8.1 · EPSS 0%CVE-2026-98115Race conditionCVSS 8.8 · EPSS 0%CVE-2026-98052In the Linux kernel, thefollowing vulnerability has beenresolved: net: bcmasp: clear…CVSS 7.8 · EPSS 0%FixApply the vendor's securityupdate; see the linked advisory.Who is exposedLinux kernelAMBER · PATCH THIS WEEKLinux kernelIn the Linux kernel, thefollowing vulnerability has beenresolved: sctp: fix a TOCTOUrace inSCTP_CMD_TIMER_START TheSCTP_CMD_TIMER_STARThandler checks timer_pending()…Where it standsNo known exploitationCONNECTS TOSame weaknessCWE-404 (CWE-404)9 other warnings in 30 days →Same productEarlier Linux kernel warnings61 in the last 90 days →
Story map: the flaws, the fix, how it unfolded and what it connects to. Boxes link to the record or article.

At a glance

Linux kernel: Amber, patch this week. In the Linux kernel, the following vulnerability has been resolved: sctp: fix a TOCTOU race in SCTP_CMD_TIMER_START The SCTP_CMD_TIMER_START handler checks timer_pending() before calling timer_reduce(). The timer can expire and detach between these operations, causing timer_reduce() to rearm the timer without taking t…

The flaws

  • CVE-2026-98093: Information disclosure (CVSS 7.8 · EPSS 0%)
  • CVE-2026-98130: Race condition (CVSS 8.1 · EPSS 0%)
  • CVE-2026-98115: Race condition (CVSS 8.8 · EPSS 0%)
  • CVE-2026-98052: In the Linux kernel, the following vulnerability has been resolved: net: bcmasp: clear txcb->last… (CVSS 7.8 · EPSS 0%)

The fix

Fix: Apply the vendor's security update; see the linked advisory.

Who is exposed: Linux kernel

Where it stands

  • No known exploitation

Connects to

Why it is Yellow

  • CVSS 7.8 high
  • On your watchlist: linux kernel

References

Original description

In the Linux kernel, the following vulnerability has been resolved: ASoC: fsl_micfil: balance mclk enable/disable hw_params() enables mclk unconditionally and hw_free() disables it unconditionally, but the PCM core does not guarantee 1:1 pairing: hw_free() can run without hw_params(), and hw_params() can be called multiple times from the SETUP state. This triggers an "already disabled" WARN() in the first case and leaks an enable reference in the second, leaving the clock ungateable. Guard both sides with the existing mclk_flag, as fsl_sai.c does with mclk_streams.

Last activity 25 Sep 2026. Patch Forecast updates every hour.