Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer.
We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable).
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-3623-1 | linux-5.10 security update |
Debian DSA |
DSA-5480-1 | linux security update |
EUVD |
EUVD-2023-44056 | A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation. Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer. We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable). |
Ubuntu USN |
USN-6246-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-6248-1 | Linux kernel (OEM) vulnerabilities |
Ubuntu USN |
USN-6249-1 | Linux kernel (OEM) vulnerabilities |
Ubuntu USN |
USN-6250-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-6255-1 | Linux kernel (Intel IoTG) vulnerabilities |
Ubuntu USN |
USN-6260-1 | Linux kernel vulnerabilities |
Wed, 16 Jul 2025 13:45:00 +0000
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Tue, 15 Jul 2025 13:45:00 +0000
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Wed, 05 Mar 2025 19:15:00 +0000
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Thu, 13 Feb 2025 17:00:00 +0000
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| Description | A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation. Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer. We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable). | A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation. Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer. We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable). |
Status: PUBLISHED
Assigner: Google
Published:
Updated: 2025-03-05T18:55:17.919Z
Reserved: 2023-06-23T13:43:00.034Z
Link: CVE-2023-3389
Updated: 2024-08-02T06:55:02.753Z
Status : Modified
Published: 2023-06-28T20:15:09.773
Modified: 2025-02-13T17:16:56.317
Link: CVE-2023-3389
OpenCVE Enrichment
No data.
Debian DLA
Debian DSA
EUVD
Ubuntu USN