Upstream information

CVE-2023-52903 at MITRE

Description

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

io_uring: lock overflowing for IOPOLL

syzbot reports an issue with overflow filling for IOPOLL:

WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734
CPU: 0 PID: 28 Comm: kworker/u4:1 Not tainted 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0
Workqueue: events_unbound io_ring_exit_work
Call trace:
io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734
io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773
io_fill_cqe_req io_uring/io_uring.h:168 [inline]
io_do_iopoll+0x474/0x62c io_uring/rw.c:1065
io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513
io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056
io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869
process_one_work+0x2d8/0x504 kernel/workqueue.c:2289
worker_thread+0x340/0x610 kernel/workqueue.c:2436
kthread+0x12c/0x158 kernel/kthread.c:376
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863

There is no real problem for normal IOPOLL as flush is also called with
uring_lock taken, but it's getting more complicated for IOPOLL|SQPOLL,
for which __io_cqring_overflow_flush() happens from the CQ waiting path.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 5.5 3.3
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack Vector Local Local
Attack Complexity Low Low
Privileges Required Low Low
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High Low
CVSSv3 Version 3.1 3.1
CVSS v4 Scores
  SUSE
Base Score 4.8
Vector CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Attack Vector Local
Attack Complexity Low
Attack Requirements None
Privileges Required Low
User Interaction None
Vulnerable System Confidentiality Impact None
Vulnerable System Integrity Impact None
Vulnerable System Availability Impact Low
Subsequent System Confidentiality Impact None
Subsequent System Integrity Impact None
Subsequent System Availability Impact None
CVSSv4 Version 4.0
SUSE Bugzilla entry: 1229584 [RESOLVED / WONTFIX]

No SUSE Security Announcements cross referenced.


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Desktop 15 SP5 kernel-default Won't fix
SUSE Linux Enterprise Desktop 15 SP5 kernel-source Won't fix
SUSE Linux Enterprise Desktop 15 SP6 kernel-default Already fixed
SUSE Linux Enterprise Desktop 15 SP6 kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 12 kernel-default Unsupported
SUSE Linux Enterprise High Performance Computing 12 kernel-source Unsupported
SUSE Linux Enterprise High Performance Computing 15 SP5 kernel-default Won't fix
SUSE Linux Enterprise High Performance Computing 15 SP5 kernel-source Won't fix
SUSE Linux Enterprise High Performance Computing 15 SP5 kernel-source-azure Won't fix
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS kernel-source Won't fix
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS kernel-source Won't fix
SUSE Linux Enterprise High Performance Computing 15 SP6 kernel-default Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP6 kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP6 kernel-source-azure Already fixed
SUSE Linux Enterprise Live Patching 15 SP5 kernel-default Won't fix
SUSE Linux Enterprise Live Patching 15 SP5 kernel-source Won't fix
SUSE Linux Enterprise Live Patching 15 SP6 kernel-default Already fixed
SUSE Linux Enterprise Live Patching 15 SP6 kernel-source Already fixed
SUSE Linux Enterprise Micro 5.1 kernel-default Won't fix
SUSE Linux Enterprise Micro 5.1 kernel-rt Won't fix
SUSE Linux Enterprise Micro 5.1 kernel-source Won't fix
SUSE Linux Enterprise Micro 5.1 kernel-source-rt Won't fix
SUSE Linux Enterprise Micro 5.2 kernel-default Won't fix
SUSE Linux Enterprise Micro 5.2 kernel-rt Won't fix
SUSE Linux Enterprise Micro 5.2 kernel-source Won't fix
SUSE Linux Enterprise Micro 5.2 kernel-source-rt Won't fix
SUSE Linux Enterprise Micro 5.3 kernel-default Won't fix
SUSE Linux Enterprise Micro 5.3 kernel-rt Won't fix
SUSE Linux Enterprise Micro 5.3 kernel-source Won't fix
SUSE Linux Enterprise Micro 5.3 kernel-source-rt Won't fix
SUSE Linux Enterprise Micro 5.4 kernel-default Won't fix
SUSE Linux Enterprise Micro 5.4 kernel-rt Won't fix
SUSE Linux Enterprise Micro 5.4 kernel-source Won't fix
SUSE Linux Enterprise Micro 5.4 kernel-source-rt Won't fix
SUSE Linux Enterprise Micro 5.5 kernel-default Won't fix
SUSE Linux Enterprise Micro 5.5 kernel-source Won't fix
SUSE Linux Enterprise Micro 5.5 kernel-source-rt Won't fix
SUSE Linux Enterprise Module for Basesystem 15 SP5 kernel-default Won't fix
SUSE Linux Enterprise Module for Basesystem 15 SP5 kernel-source Won't fix
SUSE Linux Enterprise Module for Basesystem 15 SP6 kernel-default Already fixed
SUSE Linux Enterprise Module for Basesystem 15 SP6 kernel-source Already fixed
SUSE Linux Enterprise Module for Development Tools 15 SP5 kernel-default Won't fix
SUSE Linux Enterprise Module for Development Tools 15 SP5 kernel-source Won't fix
SUSE Linux Enterprise Module for Development Tools 15 SP6 kernel-default Already fixed
SUSE Linux Enterprise Module for Development Tools 15 SP6 kernel-source Already fixed
SUSE Linux Enterprise Module for Public Cloud 15 SP5 kernel-source-azure Won't fix
SUSE Linux Enterprise Module for Public Cloud 15 SP6 kernel-source-azure Already fixed
SUSE Linux Enterprise Real Time 15 SP5 kernel-source-rt Won't fix
SUSE Linux Enterprise Real Time 15 SP6 kernel-source-rt Already fixed
SUSE Linux Enterprise Server 15 SP5 kernel-default Won't fix
SUSE Linux Enterprise Server 15 SP5 kernel-source Won't fix
SUSE Linux Enterprise Server 15 SP5 kernel-source-azure Won't fix
SUSE Linux Enterprise Server 15 SP5-LTSS kernel-source Won't fix
SUSE Linux Enterprise Server 15 SP6 kernel-default Already fixed
SUSE Linux Enterprise Server 15 SP6 kernel-source Already fixed
SUSE Linux Enterprise Server 15 SP6 kernel-source-azure Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP5 kernel-default Won't fix
SUSE Linux Enterprise Server for SAP Applications 15 SP5 kernel-source Won't fix
SUSE Linux Enterprise Server for SAP Applications 15 SP5 kernel-source-azure Won't fix
SUSE Linux Enterprise Server for SAP Applications 15 SP6 kernel-default Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP6 kernel-source Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP6 kernel-source-azure Already fixed
SUSE Linux Micro 6.0 kernel-default Already fixed
SUSE Linux Micro 6.0 kernel-source Already fixed
SUSE Linux Micro 6.0 kernel-source-rt Already fixed
SUSE Manager Proxy 4.3 kernel-default Won't fix
SUSE Manager Proxy 4.3 kernel-source Won't fix
SUSE Manager Retail Branch Server 4.3 kernel-default Won't fix
SUSE Manager Retail Branch Server 4.3 kernel-source Won't fix
SUSE Manager Server 4.3 kernel-default Won't fix
SUSE Manager Server 4.3 kernel-source Won't fix
SUSE Real Time Module 15 SP5 kernel-source-rt Won't fix
SUSE Real Time Module 15 SP6 kernel-source-rt Already fixed
openSUSE Leap 15.5 kernel-default Won't fix
openSUSE Leap 15.5 kernel-source Won't fix
openSUSE Leap 15.5 kernel-source-azure Unsupported
openSUSE Leap 15.5 kernel-source-rt Unsupported
openSUSE Leap 15.6 kernel-default Already fixed
openSUSE Leap 15.6 kernel-source Already fixed
openSUSE Leap 15.6 kernel-source-azure Already fixed
openSUSE Leap 15.6 kernel-source-rt Already fixed
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise Desktop 15 SP4 kernel-source Won't fix
SUSE Linux Enterprise High Availability Extension 12 SP5 kernel-default Not affected
SUSE Linux Enterprise High Availability Extension 12 SP5 kernel-source Not affected
SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-default Not affected
SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-source Not affected
SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-source-azure Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2 kernel-source Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS kernel-source Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS kernel-default Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS kernel-source Affected
SUSE Linux Enterprise High Performance Computing 15 SP3 kernel-source Won't fix
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS kernel-source Won't fix
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS kernel-default Won't fix
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS kernel-source Won't fix
SUSE Linux Enterprise High Performance Computing 15 SP4 kernel-source Won't fix
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS kernel-default Won't fix
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS kernel-source Won't fix
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS kernel-default Won't fix
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS kernel-source Won't fix
SUSE Linux Enterprise Live Patching 12 SP5 kernel-default Not affected
SUSE Linux Enterprise Live Patching 12 SP5 kernel-source Not affected
SUSE Linux Enterprise Live Patching 15 SP2 kernel-default Affected
SUSE Linux Enterprise Live Patching 15 SP2 kernel-source Affected
SUSE Linux Enterprise Live Patching 15 SP3 kernel-default Won't fix
SUSE Linux Enterprise Live Patching 15 SP3 kernel-source Won't fix
SUSE Linux Enterprise Live Patching 15 SP4 kernel-default Won't fix
SUSE Linux Enterprise Live Patching 15 SP4 kernel-source Won't fix
SUSE Linux Enterprise Module for Basesystem 15 SP2 kernel-source Affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 kernel-source Won't fix
SUSE Linux Enterprise Module for Basesystem 15 SP4 kernel-source Won't fix
SUSE Linux Enterprise Module for Development Tools 15 SP2 kernel-source Affected
SUSE Linux Enterprise Module for Development Tools 15 SP3 kernel-source Won't fix
SUSE Linux Enterprise Module for Development Tools 15 SP4 kernel-source Won't fix
SUSE Linux Enterprise Module for Public Cloud 12 kernel-default Unsupported
SUSE Linux Enterprise Module for Public Cloud 12 kernel-source Unsupported
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-default Affected
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-source Affected
SUSE Linux Enterprise Server 12 SP5 kernel-default Not affected
SUSE Linux Enterprise Server 12 SP5 kernel-source Not affected
SUSE Linux Enterprise Server 12 SP5 kernel-source-azure Not affected
SUSE Linux Enterprise Server 12 SP5-LTSS kernel-source Not affected
SUSE Linux Enterprise Server 12 SP5-LTSS kernel-source-azure Not affected
SUSE Linux Enterprise Server 15 SP2 kernel-source Affected
SUSE Linux Enterprise Server 15 SP2-LTSS kernel-default Affected
SUSE Linux Enterprise Server 15 SP2-LTSS kernel-source Affected
SUSE Linux Enterprise Server 15 SP3 kernel-source Won't fix
SUSE Linux Enterprise Server 15 SP3-LTSS kernel-default Won't fix
SUSE Linux Enterprise Server 15 SP3-LTSS kernel-source Won't fix
SUSE Linux Enterprise Server 15 SP4 kernel-source Won't fix
SUSE Linux Enterprise Server 15 SP4-LTSS kernel-default Won't fix
SUSE Linux Enterprise Server 15 SP4-LTSS kernel-source Won't fix
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 kernel-source Not affected
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 kernel-source-azure Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-default Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-source Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-source-azure Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-default Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-source Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-default Won't fix
SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-source Won't fix
SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-default Won't fix
SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-source Won't fix
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 kernel-source Not affected
SUSE CaaS Platform 4.0 kernel-source Affected
SUSE CaaS Platform Toolchain 3 kernel-source Not affected
SUSE Enterprise Storage 6 kernel-source Affected
SUSE Enterprise Storage 7 kernel-source Affected
SUSE Enterprise Storage 7.1 kernel-source Won't fix
SUSE Linux Enterprise Desktop 11 SP4 kernel-source Affected
SUSE Linux Enterprise Desktop 12 SP1 kernel-source Unsupported
SUSE Linux Enterprise Desktop 12 SP3 kernel-source Not affected
SUSE Linux Enterprise Desktop 12 SP4 kernel-source Not affected
SUSE Linux Enterprise Desktop 15 kernel-source Affected
SUSE Linux Enterprise Desktop 15 SP1 kernel-source Affected
SUSE Linux Enterprise Desktop 15 SP2 kernel-source Affected
SUSE Linux Enterprise Desktop 15 SP3 kernel-source Won't fix
SUSE Linux Enterprise High Performance Computing 15 kernel-source Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 kernel-source Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS kernel-source Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS kernel-source Affected
SUSE Linux Enterprise High Performance Computing 15-ESPOS kernel-source Affected
SUSE Linux Enterprise High Performance Computing 15-LTSS kernel-source Affected
SUSE Linux Enterprise Micro 5.0 kernel-default Affected
SUSE Linux Enterprise Micro 5.0 kernel-rt Unsupported
SUSE Linux Enterprise Module for Basesystem 15 kernel-source Affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 kernel-source Affected
SUSE Linux Enterprise Module for Development Tools 15 kernel-source Affected
SUSE Linux Enterprise Module for Development Tools 15 SP1 kernel-source Affected
SUSE Linux Enterprise Real Time 12 SP5 kernel-source-rt Not affected
SUSE Linux Enterprise Real Time 15 SP1 kernel-source-rt Unsupported
SUSE Linux Enterprise Real Time 15 SP2 kernel-source Affected
SUSE Linux Enterprise Real Time 15 SP3 kernel-source Won't fix
SUSE Linux Enterprise Real Time 15 SP3 kernel-source-rt Won't fix
SUSE Linux Enterprise Real Time 15 SP4 kernel-source Won't fix
SUSE Linux Enterprise Real Time 15 SP4 kernel-source-rt Won't fix
SUSE Linux Enterprise Server 11 SP4 kernel-source Affected
SUSE Linux Enterprise Server 11 SP4 LTSS kernel-default Affected
SUSE Linux Enterprise Server 11 SP4 LTSS kernel-source Affected
SUSE Linux Enterprise Server 11 SP4-LTSS kernel-source Affected
SUSE Linux Enterprise Server 12 kernel-default Unsupported
SUSE Linux Enterprise Server 12 kernel-source Unsupported
SUSE Linux Enterprise Server 12 SP1 kernel-source Unsupported
SUSE Linux Enterprise Server 12 SP1-LTSS kernel-source Unsupported
SUSE Linux Enterprise Server 12 SP3 kernel-default Unsupported
SUSE Linux Enterprise Server 12 SP3 kernel-source Unsupported
SUSE Linux Enterprise Server 12 SP3-BCL kernel-source Not affected
SUSE Linux Enterprise Server 12 SP3-ESPOS kernel-source Not affected
SUSE Linux Enterprise Server 12 SP3-LTSS kernel-source Not affected
SUSE Linux Enterprise Server 12 SP4 kernel-default Unsupported
SUSE Linux Enterprise Server 12 SP4 kernel-source Unsupported
SUSE Linux Enterprise Server 12 SP4-ESPOS kernel-source Not affected
SUSE Linux Enterprise Server 12 SP4-LTSS kernel-default Not affected
SUSE Linux Enterprise Server 12 SP4-LTSS kernel-source Not affected
SUSE Linux Enterprise Server 15 kernel-source Affected
SUSE Linux Enterprise Server 15 SP1 kernel-source Affected
SUSE Linux Enterprise Server 15 SP1-BCL kernel-source Affected
SUSE Linux Enterprise Server 15 SP1-LTSS kernel-default Affected
SUSE Linux Enterprise Server 15 SP1-LTSS kernel-source Affected
SUSE Linux Enterprise Server 15 SP2-BCL kernel-source Affected
SUSE Linux Enterprise Server 15 SP3-BCL kernel-source Won't fix
SUSE Linux Enterprise Server 15-LTSS kernel-default Affected
SUSE Linux Enterprise Server 15-LTSS kernel-source Affected
SUSE Linux Enterprise Server for SAP Applications 12 kernel-default Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 kernel-source Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP1 kernel-source Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kernel-default Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kernel-source Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-default Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-source Unsupported
SUSE Linux Enterprise Server for SAP Applications 15 kernel-source Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 kernel-source Affected
SUSE Linux Enterprise Software Development Kit 12 SP5 kernel-default Not affected
SUSE Linux Enterprise Software Development Kit 12 SP5 kernel-source Not affected
SUSE Linux Enterprise Workstation Extension 12 SP5 kernel-default Not affected
SUSE Linux Enterprise Workstation Extension 12 SP5 kernel-source Not affected
SUSE Manager Proxy 4.0 kernel-source Affected
SUSE Manager Proxy 4.1 kernel-source Affected
SUSE Manager Proxy 4.2 kernel-source Won't fix
SUSE Manager Retail Branch Server 4.0 kernel-source Affected
SUSE Manager Retail Branch Server 4.1 kernel-source Affected
SUSE Manager Retail Branch Server 4.2 kernel-source Won't fix
SUSE Manager Server 4.0 kernel-source Affected
SUSE Manager Server 4.1 kernel-source Affected
SUSE Manager Server 4.2 kernel-source Won't fix
SUSE OpenStack Cloud 8 kernel-source Not affected
SUSE OpenStack Cloud 9 kernel-source Not affected
SUSE OpenStack Cloud Crowbar 8 kernel-source Not affected
SUSE OpenStack Cloud Crowbar 9 kernel-source Not affected
SUSE Real Time Module 15 SP1 kernel-source-rt Unsupported
SUSE Real Time Module 15 SP3 kernel-source-rt Won't fix
SUSE Real Time Module 15 SP4 kernel-source-rt Won't fix
openSUSE Leap 15.3 kernel-source Won't fix
openSUSE Leap 15.3 kernel-source-rt Won't fix
openSUSE Leap 15.4 kernel-source Won't fix
openSUSE Leap 15.4 kernel-source-azure Unsupported
openSUSE Leap 15.4 kernel-source-rt Won't fix


SUSE Timeline for this CVE

CVE page created: Wed Aug 21 19:46:34 2024
CVE page last modified: Sat Dec 21 00:18:49 2024