CVE-2026-72376
Received Received - Intake

AFS net cells_outstanding miscount in Linux kernel

Publication date: 2026-08-15

Last updated on: 2026-08-15

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: afs: Fix misplaced inc of net->cells_outstanding Fix net->cells_outstanding being incremented before the check for failure of idr_alloc_cyclic(), leaving the count incremented on error.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-08-15
Last Modified
2026-08-15
Generated
2026-08-15
AI Q&A
2026-08-15
EPSS Evaluated
N/A
NVD
CVE-2026-72376
EUVD
EUVD-2026-59275

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This is a Linux kernel vulnerability where net->cells_outstanding is incorrectly incremented before checking if idr_alloc_cyclic() fails. This leaves the counter incremented even when an error occurs, potentially causing incorrect accounting of network cells.

Detection Guidance

This vulnerability is specific to the Linux kernel's AFS (Andrew File System) module. Detection requires checking the kernel version and AFS module status. Use commands like 'uname -r' to check kernel version and 'lsmod | grep afs' to verify if the AFS module is loaded.

Impact Analysis

This could lead to incorrect resource tracking in the AFS (Andrew File System) component of the Linux kernel, potentially causing system instability or crashes if the miscounted resources are exhausted or improperly managed.

Mitigation Strategies

Apply the latest kernel update that includes the fix for this vulnerability. If immediate patching is not possible, consider disabling the AFS module using 'modprobe -r afs' if it is not required. Monitor vendor advisories for kernel updates.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-72376. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart