CVE-2024-36946: phonet: fix rtm_phonet_notify() skb allocation
First published: Thu May 30 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: phonet: fix rtm_phonet_notify() skb allocation fill_route() stores three components in the skb: - struct rtmsg - RTA_DST (u8) - RTA_OIF (u32) Therefore, rtm_phonet_notify() should use NLMSG_ALIGN(sizeof(struct rtmsg)) + nla_total_size(1) + nla_total_size(4)
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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/4ff334cade9dae50e4be387f71e94fae634aa9b4
- https://git.kernel.org/stable/c/728a83160f98ee6b60df0d890141b9b7240182fe
- https://git.kernel.org/stable/c/9a77226440008cf04ba68faf641a2d50f4998137
- https://git.kernel.org/stable/c/d8cac8568618dcb8a51af3db1103e8d4cc4aeea7
- https://git.kernel.org/stable/c/dc6beac059f0331de97155a89d84058d4a9e49c7
- https://git.kernel.org/stable/c/ec1f71c05caeba0f814df77e0f511d8b4618623a
- https://git.kernel.org/stable/c/ee9e39a6cb3ca2a3d35b4ae25547ee3526a44d00
- https://git.kernel.org/stable/c/f085e02f0a32f6dfcfabc6535c9c4a1707cef86b
- https://launchpad.net/bugs/cve/CVE-2024-36946
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-36946
- https://nvd.nist.gov/vuln/detail/CVE-2024-36946
- https://security-tracker.debian.org/tracker/CVE-2024-36946
- https://ubuntu.com/security/CVE-2024-36946
- https://git.kernel.org/linus/d8cac8568618dcb8a51af3db1103e8d4cc4aeea7
- https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
- https://security.netapp.com/advisory/ntap-20241004-0002/
Frequently Asked Questions
What is the severity of CVE-2024-36946?
CVE-2024-36946 has been classified with a medium severity level due to potential impacts on system stability and security.
How do I fix CVE-2024-36946?
To fix CVE-2024-36946, update to the patched versions 5.10.223-1, 5.10.226-1, 6.1.123-1, 6.1.128-1, or 6.12.12-1 of the Linux kernel.
Which software is affected by CVE-2024-36946?
CVE-2024-36946 affects the Linux kernel packages in specific versions provided by Debian.
What components are involved in CVE-2024-36946?
CVE-2024-36946 involves components related to skb allocation in the rtm_phonet_notify() function.
Can CVE-2024-36946 lead to remote code execution?
CVE-2024-36946 does not directly indicate remote code execution risk but can affect system operations.
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