bpf: Send signals asynchronously if !preemptible
BPF programs can execute in all kinds of contexts and when a program
running in a non-preemptible context uses the bpf_send_signal() kfunc,
it will cause issues because this kfunc can sleep.
Change `irqs_disabled()` to `!preemptible()`.
Metrics
Affected Vendors & Products
Source | ID | Title |
---|---|---|
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DLA-4102-1 | linux-6.1 security update |
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DLA-4178-1 | linux security update |
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EUVD-2025-5223 | In the Linux kernel, the following vulnerability has been resolved: bpf: Send signals asynchronously if !preemptible BPF programs can execute in all kinds of contexts and when a program running in a non-preemptible context uses the bpf_send_signal() kfunc, it will cause issues because this kfunc can sleep. Change `irqs_disabled()` to `!preemptible()`. |
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USN-7510-1 | Linux kernel vulnerabilities |
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USN-7510-2 | Linux kernel (FIPS) vulnerabilities |
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USN-7510-3 | Linux kernel vulnerabilities |
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USN-7510-4 | Linux kernel (Real-time) vulnerabilities |
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USN-7510-5 | Linux kernel (Azure FIPS) vulnerabilities |
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USN-7510-6 | Linux kernel (AWS FIPS) vulnerabilities |
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USN-7510-7 | Linux kernel vulnerabilities |
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USN-7510-8 | Linux kernel (AWS) vulnerabilities |
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USN-7511-1 | Linux kernel (GCP) vulnerabilities |
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USN-7511-2 | Linux kernel (GCP FIPS) vulnerabilities |
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USN-7511-3 | Linux kernel (GKE) vulnerabilities |
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USN-7512-1 | Linux kernel (GCP) vulnerabilities |
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USN-7516-1 | Linux kernel vulnerabilities |
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USN-7516-2 | Linux kernel (GCP FIPS) vulnerabilities |
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USN-7516-3 | Linux kernel vulnerabilities |
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USN-7516-4 | Linux kernel (Oracle) vulnerabilities |
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USN-7516-5 | Linux kernel (HWE) vulnerabilities |
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USN-7516-6 | Linux kernel (IBM) vulnerabilities |
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USN-7516-7 | Linux kernel (AWS) vulnerabilities |
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USN-7516-8 | Linux kernel (FIPS) vulnerabilities |
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USN-7516-9 | Linux kernel (AWS) vulnerabilities |
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USN-7517-1 | Linux kernel (Xilinx ZynqMP) vulnerabilities |
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USN-7517-2 | Linux kernel (IBM) vulnerabilities |
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USN-7517-3 | Linux kernel (BlueField) vulnerabilities |
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USN-7518-1 | Linux kernel (Azure FIPS) vulnerabilities |
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USN-7521-1 | Linux kernel vulnerabilities |
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USN-7521-2 | Linux kernel (AWS) vulnerabilities |
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USN-7521-3 | Linux kernel vulnerabilities |
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USN-7539-1 | Linux kernel (Raspberry Pi) vulnerabilities |
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USN-7540-1 | Linux kernel (Raspberry Pi) vulnerabilities |
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USN-7593-1 | Linux kernel (HWE) vulnerabilities |
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USN-7602-1 | Linux kernel (Xilinx ZynqMP) vulnerabilities |
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USN-7640-1 | Linux kernel (IoT) vulnerabilities |
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USN-7651-1 | Linux kernel vulnerabilities |
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USN-7651-2 | Linux kernel vulnerabilities |
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USN-7651-3 | Linux kernel vulnerabilities |
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USN-7651-4 | Linux kernel (GCP) vulnerabilities |
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USN-7651-5 | Linux kernel (Raspberry Pi Real-time) vulnerabilities |
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USN-7651-6 | Linux kernel (Raspberry Pi) vulnerabilities |
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USN-7652-1 | Linux kernel (Real-time) vulnerabilities |
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USN-7653-1 | Linux kernel (HWE) vulnerabilities |
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USN-7737-1 | Linux kernel (Azure) vulnerabilities |
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Thu, 23 Oct 2025 13:15:00 +0000
Type | Values Removed | Values Added |
---|---|---|
First Time appeared |
Linux
Linux linux Kernel |
|
Weaknesses | NVD-CWE-noinfo | |
CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:5.6:-:*:*:*:*:*:* |
|
Vendors & Products |
Linux
Linux linux Kernel |
|
Metrics |
cvssV3_1
|
cvssV3_1
|
Wed, 30 Apr 2025 15:15:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Weaknesses | CWE-20 | |
Metrics |
cvssV3_1
|
cvssV3_1
|
Thu, 13 Mar 2025 12:30:00 +0000
Type | Values Removed | Values Added |
---|---|---|
References |
|
Fri, 28 Feb 2025 02:00:00 +0000
Type | Values Removed | Values Added |
---|---|---|
References |
| |
Metrics |
threat_severity
|
cvssV3_1
|
Thu, 27 Feb 2025 02:15:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Description | In the Linux kernel, the following vulnerability has been resolved: bpf: Send signals asynchronously if !preemptible BPF programs can execute in all kinds of contexts and when a program running in a non-preemptible context uses the bpf_send_signal() kfunc, it will cause issues because this kfunc can sleep. Change `irqs_disabled()` to `!preemptible()`. | |
Title | bpf: Send signals asynchronously if !preemptible | |
References |
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|

Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2025-05-04T13:06:28.428Z
Reserved: 2024-12-29T08:45:45.755Z
Link: CVE-2025-21728

No data.

Status : Analyzed
Published: 2025-02-27T02:15:16.530
Modified: 2025-10-23T13:05:52.440
Link: CVE-2025-21728


No data.