CVE-2023-52777: wifi: ath11k: fix gtk offload status event locking
First published: Tue May 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix gtk offload status event locking The ath11k active pdevs are protected by RCU but the gtk offload status event handling code calling ath11k_mac_get_arvif_by_vdev_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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.1.64 | 6.1.64 |
| redhat/kernel | <6.5.13 | 6.5.13 |
| redhat/kernel | <6.6.3 | 6.6.3 |
| redhat/kernel | <6.7 | 6.7 |
| Linux kernel | >=5.19<6.1.64 | |
| Linux kernel | >=6.2<6.5.13 | |
| Linux kernel | >=6.6<6.6.3 | |
| IBM Security Verify Governance - Identity Manager | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Software Stack | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Virtual Appliance | <=ISVG 10.0.2 | |
| IBM Security Verify Governance Identity Manager Container | <=ISVG 10.0.2 |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2023-52777
- https://lore.kernel.org/linux-cve-announce/2024052152-CVE-2023-52777-2f32@gregkh/T
- https://access.redhat.com/errata/RHSA-2024:5102
- https://access.redhat.com/errata/RHSA-2024:5101
- https://bugzilla.redhat.com/show_bug.cgi?id=2282642
- https://git.kernel.org/stable/c/0cf7577b6b3153b4b49deea9719fe43f96469c6d
- https://git.kernel.org/stable/c/cf9c7d783a2bf9305df4ef5b93d9063a52e18fca
- https://git.kernel.org/stable/c/e83246ecd3b193f8d91fce778e8a5ba747fc7d8a
- https://git.kernel.org/stable/c/1dea3c0720a146bd7193969f2847ccfed5be2221
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2023-52777?
CVE-2023-52777 has not been assigned a specific severity level but addresses a locking issue in the ath11k module of the Linux kernel.
How do I fix CVE-2023-52777?
To fix CVE-2023-52777, you should update the kernel to version 6.1.64, 6.5.13, 6.6.3, or 6.7 provided by Red Hat.
Which Linux kernel versions are affected by CVE-2023-52777?
CVE-2023-52777 affects Linux kernel versions between 5.19 and 6.1.64, and also between 6.2 and 6.5.13.
What component of the Linux kernel is involved in CVE-2023-52777?
CVE-2023-52777 involves the ath11k component responsible for Wi-Fi functionality in the Linux kernel.
Is CVE-2023-52777 a remote code execution vulnerability?
CVE-2023-52777 does not describe a remote code execution vulnerability but rather a locking issue in event handling.
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