CVE-2024-38381: nfc: nci: Fix uninit-value in nci_rx_work
First published: Fri Jun 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: nfc: nci: Fix uninit-value in nci_rx_work syzbot reported the following uninit-value access issue [1] nci_rx_work() parses received packet from ndev->rx_q. It should be validated header size, payload size and total packet size before processing the packet. If an invalid packet is detected, it should be silently discarded.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=4.19.312<6.19.316 | |
| Linux Kernel | >=5.4.274<5.4.278 | |
| Linux Kernel | >=5.10.215<5.10.219 | |
| Linux Kernel | >=5.15.154<5.15.161 | |
| Linux Kernel | >=6.1.85<6.1.93 | |
| Linux Kernel | >=6.6.26<6.6.33 | |
| Linux Kernel | >=6.8.5<6.9.4 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.16-1 |
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Reference Links
- https://git.kernel.org/stable/c/017ff397624930fd7ac7f1761f3c9d6a7100f68c
- https://git.kernel.org/stable/c/406cfac9debd4a6d3dc5d9258ee086372a8c08b6
- https://git.kernel.org/stable/c/485ded868ed62ceb2acb3a459d7843fd71472619
- https://git.kernel.org/stable/c/ad4d196d2008c7f413167f0a693feb4f0439d7fe
- https://git.kernel.org/stable/c/e4a87abf588536d1cdfb128595e6e680af5cf3ed
- https://git.kernel.org/stable/c/e53a7f8afcbd2886f2a94c5d56757328109730ea
- https://git.kernel.org/stable/c/e8c8e0d0d214c877fbad555df5b3ed558cd9b0c3
- https://git.kernel.org/stable/c/f80b786ab0550d0020191a59077b2c7e069db2d1
- https://launchpad.net/bugs/cve/CVE-2024-38381
- https://git.kernel.org/linus/e4a87abf588536d1cdfb128595e6e680af5cf3ed
- https://security-tracker.debian.org/tracker/CVE-2024-38381
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-38381
- https://nvd.nist.gov/vuln/detail/CVE-2024-38381
- https://ubuntu.com/security/CVE-2024-38381
Frequently Asked Questions
What is the severity of CVE-2024-38381?
CVE-2024-38381 is categorized as a vulnerability in the Linux kernel related to uninitialized value access.
How do I fix CVE-2024-38381?
To fix CVE-2024-38381, upgrade your Linux kernel to one of the patched versions such as 5.10.223-1, 5.10.226-1, 6.1.123-1, among others.
Which versions of the Linux kernel are affected by CVE-2024-38381?
CVE-2024-38381 affects multiple versions of the Linux kernel from 4.19.312 to 6.19.316 and several specific 5.x and 6.x versions.
What component of the Linux kernel does CVE-2024-38381 impact?
CVE-2024-38381 impacts the NFC subsystem, specifically the nci_rx_work function which processes received packets.
Is CVE-2024-38381 already resolved?
Yes, CVE-2024-38381 has been resolved with patches available for affected versions.
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