CVE-2024-48876

What it is

In the Linux kernel, the following vulnerability has been resolved: stackdepot: fix stack_depot_save_flags() in NMI context Per documentation, stack_depot_save_flags() was meant to be usable from NMI context if STACK_DEPOT_FLAG_CAN_ALLOC is unset. However, it still would try to take the pool_lock in an attempt to save a stack trace in the current pool (if space is available). This could result in deadlock if an NMI is handled while pool_lock is already held. To avoid deadlock, only try to take the lock in NMI context and give up if unsuccessful. The documentation is fixed to clearly convey this.

At a glance

Exploitability

Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.

Exploit odds

0.1% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2025-01-11 13:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 07:58 UTC Last updatedMost recent change to the record

Details

Published

2025-01-11 13:15 UTC

Last modified

2026-06-17 07:58 UTC

Exploit probability

0.1% · EPSS, next 30 days

Weakness

CWE-667

Record status

Analyzed

Affected

• Linux Kernel < 6.12.5
• Linux Kernel 6.8
• Linux Kernel 6.13

Attack profile CVSS 3.1 · 5.5

Attack vector

Local

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High