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Critical· 9.8official fix available

CVE-2024-42232

CVE-2024-42232 is a critical race condition vulnerability in the Linux kernel's libceph component. It allows attackers to exploit a timing issue during session termination, potentially leading to use-after-free errors and unauthorized access to sensitive data. The vulnerability has been resolved in a kernel patch.

publishedAug 7, 2024
last modifiedAug 4, 2026
sourcesNVD
severity · cvss
9.8
critical · how bad it is
exploitation · epss
<1%
13th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Sep 4, 2026

An official fix is available, so this entry is kept for 30 days and then removed automatically.

01

Who is affected

Systems using the Linux kernel with the libceph component.

02

Real-world impact

Could allow attackers to crash systems or gain unauthorized access to sensitive data stored in the libceph subsystem.

03

Why this severity

CVSS 9.8 (critical) due to high confidence in exploitation and potential for full system compromise.

04

What to do about it

official fix available
recommended steps
  1. 01Upgrade the Linux kernel to a version that includes the fix for CVE-2024-42232.
  2. 02Apply the kernel patch provided by maintainers if an immediate upgrade is not possible.

NVD-referenced vendor advisory (Linux kernel patch notes)

05

Timeline

  1. Aug 7, 2024 · Aug 7, 2024
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Aug 4, 2026 · 2d ago
    Advisory updated
    The NVD record was last revised.
  3. Aug 5, 2026 · 1d ago
    Official fix available
    A vendor patch or mitigation now exists — see the remediation steps above.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone needed
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

NVD advisory ↗Search advisories ↗
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →