CVE-2024-35933: Bluetooth: btintel: Fix null ptr deref in btintel_read_version
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: btintel: Fix null ptr deref in btintelreadversion
If hcicmdsynccomplete() is triggered and skb is NULL, then hdev->reqskb is NULL, which will cause this issue.
Other sources
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: btintel: Fix null ptr deref in btintelreadversion
The Linux kernel CVE team has assigned CVE-2024-35933 to this issue.
Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024051917-CVE-2024-35933-cf34@gregkh/T
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 5.10.223-1Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.25-1Fixed in 6.12.27-1 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 4.19.312 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 5.4.274 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 5.10.215 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 5.15.155 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 6.1.86 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 6.6.27 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 6.8.6 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 6.9
Event History
Frequently Asked Questions
What is the severity of CVE-2024-35933?
CVE-2024-35933 is classified as a high severity vulnerability due to the potential for a null pointer dereference in the Bluetooth subsystem of the Linux kernel.
How do I fix CVE-2024-35933?
To fix CVE-2024-35933, update to a patched version of the Linux kernel, specifically version 5.10.223-1, 5.10.226-1, 6.1.123-1, 6.1.119-1, 6.12.10-1, or 6.12.11-1.
Which Linux kernel versions are affected by CVE-2024-35933?
CVE-2024-35933 affects Linux kernel versions between 4.20 and 6.1.86, as well as specific versions within those ranges.
Does CVE-2024-35933 affect Debian Linux?
Yes, CVE-2024-35933 affects Debian Linux versions that use vulnerable Linux kernel versions.
What components of the Linux kernel are impacted by CVE-2024-35933?
CVE-2024-35933 impacts the Bluetooth subsystem, specifically during operations related to the bintel driver which may lead to null pointer dereference.