CVE-2023-53757
In the Linux kernel, the following vulnerability has been resolved: irqchip/irq-mvebu-gicp: Fix refcount leak in mvebu_gicp_probe of_irq_find_parent() returns a node pointer with refcount incremented, We should use of_node_put() on it when not needed anymore. Add missing of_node_put() to avoid refcount leak.
Affected versions
Linux kernel versions
4.13
and later are affected. Fixed in
4.14.308,
4.19.276,
5.4.235,
5.10.173,
5.15.99,
6.1.16,
6.2.3,
6.3
and their respective stable series.
References
The following references provide additional information about CVE-2023-53757 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/4545d7a70ce0fc78b1d3c33c4a0939a86f363b57
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PatchKernel patch commithttps://git.kernel.org/stable/c/88cb93d3a16f706bd7213f8a5882c394e5d10c4e
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PatchKernel patch commithttps://git.kernel.org/stable/c/91e149b201bdb68c77011d50d011e47fadbcc8bd
Frequently asked questions
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What is CVE-2023-53757?
CVE-2023-53757 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.13 onward and has been patched in 4.14.308, 4.19.276, 5.4.235 and others. CVE-2023-53757 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2023-53757?
Yes — CVE-2023-53757 has been patched. Fixed versions include 4.14.308, 4.19.276, 5.4.235 and others. If you are running Linux kernel 4.13 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2023-53757 actively exploited?
No — CVE-2023-53757 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.