CVE-2023-7042: Kernel: null pointer dereference in ath10k_wmi_tlv_op_pull_mgmt_tx_compl_ev()
First published: Thu Dec 21 2023(Updated: )
A null pointer dereference vulnerability in ath10k_wmi_tlv_op_pull_mgmt_tx_compl_ev() in drivers/net/wireless/ath/ath10k/wmi-tlv.c in the Linux kernel, which could be exploited to trigger denial of service. Refer: <a href="https://patchwork.kernel.org/project/linux-wireless/patch/20231208043433.271449-1-hdthky0@gmail.com/">https://patchwork.kernel.org/project/linux-wireless/patch/20231208043433.271449-1-hdthky0@gmail.com/</a>
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | ||
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.135-1 6.12.25-1 |
Remedy
https://patchwork.kernel.org/project/linux-wireless/patch/20231208043433.271449-1-hdthky0@gmail.com/
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Reference Links
- https://patchwork.kernel.org/project/linux-wireless/patch/20231208043433.271449-1-hdthky0@gmail.com/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2258053
- https://bugzilla.redhat.com/show_bug.cgi?id=2255497
- https://access.redhat.com/security/cve/CVE-2023-7042
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/54PLF5J33IRSLSR4UU6LQSMXX6FI5AOQ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/C25BK2YH5MZ6VNQXKF2NAJBTGXVEPKGC/
- https://launchpad.net/bugs/cve/CVE-2023-7042
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-7042
- https://nvd.nist.gov/vuln/detail/CVE-2023-7042
- https://security-tracker.debian.org/tracker/CVE-2023-7042
- https://ubuntu.com/security/CVE-2023-7042
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
Frequently Asked Questions
What is the severity of CVE-2023-7042?
CVE-2023-7042 is classified as a denial of service vulnerability that could impact system availability.
How do I fix CVE-2023-7042?
To fix CVE-2023-7042, update the Linux kernel to a version that is not affected, such as 5.10.223-1, 6.1.123-1, or later versions.
What systems are affected by CVE-2023-7042?
CVE-2023-7042 affects multiple versions of the Linux kernel, specifically versions prior to the patches in 5.10.223-1 and 6.1.123-1.
What types of attacks exploit CVE-2023-7042?
CVE-2023-7042 can be exploited to perform denial of service attacks, potentially leading to system crashes.
Is CVE-2023-7042 easy to exploit?
CVE-2023-7042 may be exploited easily if the attacker can send crafted management packets to the vulnerable system.
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