Vulnary
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Critical· 9.8official fix available

CVE-2024-27388

A critical memory leak in the Linux kernel’s SUNRPC gssx_dec_option_array function can allow attackers to gain full control of the system. The bug occurs when credentials and data are not freed properly during error handling, leading to resource exhaustion and potential privilege escalation. A patch has been released to fix the issue.

publishedMay 1, 2024
last modifiedAug 4, 2026
sourcesNVD
severity · cvss
9.8
critical · how bad it is
exploitation · epss
<1%
58th 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

Linux kernel users, including Debian 10.0 and other distributions that use the affected kernel version.

02

Real-world impact

An attacker could exploit the memory leak to exhaust system resources, potentially leading to denial of service or enabling further attacks that could compromise the system.

03

Why this severity

The CVSS score of 9.8 reflects that the vulnerability can be exploited remotely without authentication or user interaction, giving an attacker full control over confidentiality, integrity, and availability.

04

What to do about it

official fix available
recommended steps
  1. 011. Update the Linux kernel to a version that includes the fix for CVE-2024-27388.
  2. 022. Reboot the system to load the new kernel.

NVD-referenced vendor advisory

05

Timeline

  1. May 1, 2024 · May 1, 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 →