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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2024-26686 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: fs/proc: do_task_stat: use sig->stats_lock to gather the threads/children stats lock_task_sighand() can trigger a hard lockup. If NR_CPUS threads call do_task_stat() at the same time and the process has NR_THREADS, it will spin with irqs disabled O(NR_CPUS * NR_THREADS) time. Change do_task_stat() to use sig->stats_lock to gather the statistics outside of ->siglock protected section, in the likely case this code will run lockless.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/0c35d1914353799c54fa1843fe7dea6fcbcdbac5 kernel.org
https://git.kernel.org/stable/c/27978243f165b44e342f28f449b91327944ea071 CVE, kernel.org Patch 
https://git.kernel.org/stable/c/3820b0fac7732a653bcc6f6ac20c1d72e697f8f6 kernel.org Patch 
https://git.kernel.org/stable/c/4fe85bdaabd63f8f8579b24a10ed597c9c482164 kernel.org
https://git.kernel.org/stable/c/7601df8031fd67310af891897ef6cc0df4209305 CVE, kernel.org Patch 
https://git.kernel.org/stable/c/cf4b8c39b9a0bd81c47afc7ef62914a62dd5ec4d CVE, kernel.org Patch 
https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html CVE

Weakness Enumeration

CWE-ID CWE Name Source
CWE-667 Improper Locking cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

8 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-26686
NVD Published Date:
04/03/2024
NVD Last Modified:
11/03/2025
Source:
kernel.org