PT-2025-37203 · Linux+4 · Linux Kernel+4

Xiongfeng

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Published

2025-07-16

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Updated

2026-04-20

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CVE-2025-39744

CVSS v3.1

7.1

High

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Name of the Vulnerable Software and Affected Versions: Linux kernel (affected versions not specified)
Description: A flaw exists in the Linux kernel related to rcu read unlock(). Specifically, a potential deadlock can occur during rcu read unlock special() when invoked within the irq exit() path, triggered by an Inter-Processor Interrupt (IPI). This issue arises from incorrect management of the irq work state. The vulnerability was identified when invoking a BPF program on the trace tick stop() tracepoint.
Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Out of bounds Read

Weakness Enumeration

CWE-371CWE-125

Related Identifiers

AZL-67253
AZL-70807
BDU:2026-01275
CVE-2025-39744
ECHO-78B5-D8A9-7BC2
OESA-2026-1337
OESA-2026-1338
OESA-2026-1339
OESA-2026-1341
OPENSUSE-SU-2025:20081-1
SUSE-SU-2025:03600-1
SUSE-SU-2025:03601-1
SUSE-SU-2025:03633-1
SUSE-SU-2025:03634-1
SUSE-SU-2025:20851-1
SUSE-SU-2025:20861-1
SUSE-SU-2025:20870-1
SUSE-SU-2025:20898-1
SUSE-SU-2025:21074-1
SUSE-SU-2025:21139-1
SUSE-SU-2025:21179-1
SUSE-SU-2025:3725-1
SUSE-SU-2025:3751-1
USN-8028-1
USN-8028-2
USN-8028-3
USN-8028-4
USN-8028-5
USN-8028-6
USN-8028-7
USN-8028-8
USN-8031-1
USN-8031-2
USN-8031-3
USN-8052-1
USN-8052-2
USN-8074-1
USN-8074-2
USN-8126-1

Affected Products

Debian
Linuxmint
Linux Kernel
Suse
Ubuntu