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CVE-2024-43855VulnerabilityPublished Updated

SUSE · security update for kernel

Affects SUSESource GCVE Database

0

Not known to be exploited : upgrade to 9.8 or 9.6 when convenient.

Data as of 25 Oct 2026, 19:02 UTC

Severity
Medium

Rated by Threat Radar · No CVSS score from NVD or the CNA

EPSS
0.2% chance of exploitation in 30 days – higher than 10% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 9.8, 9.6

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 Apr 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Upgrade redhat/kernel to 9.8 or 9.6.

Affected software

ProductAffectedFixed in
Red Hatredhat/kernelpkg:rpm/redhat/kernelOther threatsAffected
  • >=9 <9.6
  • >=9.6 <9.8
Fixed in
  • 9.6
  • 9.8

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

A security update is available from Red Hat addressing this deadlock issue. Applying the update and rebooting the system is required for the fix to take effect. Users should follow Red Hat's official guidance for applying the kernel update as described in their advisory.

Description

A moderate severity vulnerability (CVE-2024-43855) exists in the Linux kernel's md (multiple device) subsystem causing a deadlock between mddev_suspend and flush bio operations. This affects Red Hat Enterprise Linux 9 and related variants. A security update addressing this deadlock is available and requires a system reboot to take effect.

References

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