medium
6.8
CWE
362 416
Advisory Published
CVE Published
Updated

CVE-2023-33203: Race Condition

First published: Tue May 02 2023(Updated: )

In emac_probe, &amp;adpt-&gt;work_thread is bound with emac_work_thread. Then it will be started by timeout handler emac_tx_timeout or a IRQ handler emac_isr. If we remove the driver which will call emac_remove to make cleanup, there may be a unfinished work. This could lead to a use-after-free. Upstream fix: <a href="https://github.com/torvalds/linux/commit/6b6bc5b8bd2d">https://github.com/torvalds/linux/commit/6b6bc5b8bd2d</a>

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/kernel<6.3
6.3
IBM Security Verify Governance - Identity Manager<=ISVG 10.0.2
IBM Security Verify Governance, Identity Manager<=ISVG 10.0.2
Linux kernel<6.2.9
Red Hat Enterprise Linux=8.0
Red Hat Enterprise Linux=9.0
debian/linux
5.10.223-1
5.10.234-1
6.1.123-1
6.1.128-1
6.12.12-1
6.12.16-1

Remedy

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6b6bc5b8bd2d4ca9e1efa9ae0f98a0b0687ace75

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2023-33203?

    CVE-2023-33203 is classified as a high severity vulnerability due to the potential for a use-after-free condition.

  • How do I fix CVE-2023-33203?

    To fix CVE-2023-33203, update to kernel version 6.3 or later for Red Hat or relevant Debian packages.

  • Which systems are affected by CVE-2023-33203?

    CVE-2023-33203 affects certain versions of the Linux kernel, Red Hat Enterprise Linux 8.0 and 9.0, and IBM Security Verify Governance up to version ISVG 10.0.2.

  • What could happen if CVE-2023-33203 is exploited?

    Exploitation of CVE-2023-33203 could lead to system instability, crashes, or the execution of arbitrary code due to unmanaged memory issues.

  • Is CVE-2023-33203 a critical vulnerability?

    While CVE-2023-33203 is high risk, its criticality depends on the specific environment and exposure of the affected systems.

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