CVE-2023-52798
HighIn the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix dfs radar event locking The ath11k active pdevs are protected by RCU but the DFS radar event handling code calling ath11k_mac_get_ar_by_pdev_id() was not marked as a read-side critical section. Mark the code in question as an RCU read-side critical section to avoid any potential use-after-free issues. Compile tested only.
CVSS 3.1 score
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type
CWE-416CVE-2023-52798 is a Use After Free vulnerability
What is Use After Free?
The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2023-52798 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/1fd878e1750190a612b5de2af357cca422ec0822
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PatchKernel patch commithttps://git.kernel.org/stable/c/21ebb0aba580d347e12f01ce5f6e75044427b3d5
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PatchKernel patch commithttps://git.kernel.org/stable/c/3b6c14833165f689cc5928574ebafe52bbce5f1e
Frequently asked questions
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What is CVE-2023-52798?
CVE-2023-52798 is a High severity Linux kernel vulnerability with a CVSS score of 8.8 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2023-52798 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2023-52798?
CVE-2023-52798 has a CVSS score of 8.8 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2023-52798?
No patch is currently available for CVE-2023-52798. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2023-52798 actively exploited?
No — CVE-2023-52798 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Use After Free (CWE-416)?
The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. View CWE-416 on MITRE CWE →