CVE-2025-23154

Source
https://nvd.nist.gov/vuln/detail/CVE-2025-23154
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-23154.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-23154
Downstream
Related
Published
2025-05-01T13:15:51Z
Modified
2025-05-05T17:00:20Z
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved:

iouring/net: fix ioreqpostcqe abuse by send bundle

[ 114.987980][ T5313] WARNING: CPU: 6 PID: 5313 at iouring/iouring.c:872 ioreqpostcqe+0x12e/0x4f0 [ 114.991597][ T5313] RIP: 0010:ioreqpostcqe+0x12e/0x4f0 [ 115.001880][ T5313] Call Trace: [ 115.002222][ T5313] <TASK> [ 115.007813][ T5313] iosend+0x4fe/0x10f0 [ 115.009317][ T5313] ioissuesqe+0x1a6/0x1740 [ 115.012094][ T5313] iowqsubmitwork+0x38b/0xed0 [ 115.013223][ T5313] ioworkerhandlework+0x62a/0x1600 [ 115.013876][ T5313] iowq_worker+0x34f/0xdf0

As the comment states, ioreqpostcqe() should only be used by multishot requests, i.e. REQFAPOLLMULTISHOT, which bundled sends are not. Add a flag signifying whether a request wants to post multiple CQEs. Eventually REQFAPOLL_MULTISHOT should imply the new flag, but that's left out for simplicity.

References

Affected packages

Debian:13 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.12.25-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}