CVE-2024-56783: netfilter: nft_socket: remove WARN_ON_ONCE on maximum cgroup level
First published: Wed Jan 08 2025(Updated: )
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_socket: remove WARN_ON_ONCE on maximum cgroup level cgroup maximum depth is INT_MAX by default, there is a cgroup toggle to restrict this maximum depth to a more reasonable value not to harm performance. Remove unnecessary WARN_ON_ONCE which is reachable from userspace.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=6.1.112<6.1.120 | |
| Linux Kernel | >=6.6.53<6.6.66 | |
| Linux Kernel | >=6.10.12<6.12.5 | |
| Linux Kernel | =6.13-rc1 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.20-1 6.12.21-1 | |
| debian/linux-6.1 | 6.1.129-1~deb11u1 |
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Reference Links
- https://git.kernel.org/stable/c/7064a6daa4a700a298fe3aee11dea296bfe59fc4
- https://git.kernel.org/stable/c/2f9bec0a749eb646b384fde0c7b7c24687b2ffae
- https://git.kernel.org/stable/c/e227c042580ab065edc610c9ddc9bea691e6fc4d
- https://git.kernel.org/stable/c/b7529880cb961d515642ce63f9d7570869bbbdc3
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-56783
- https://nvd.nist.gov/vuln/detail/CVE-2024-56783
- https://launchpad.net/bugs/cve/CVE-2024-56783
- https://security-tracker.debian.org/tracker/CVE-2024-56783
- https://ubuntu.com/security/CVE-2024-56783
- https://git.kernel.org/linus/b7529880cb961d515642ce63f9d7570869bbbdc3
Frequently Asked Questions
What is the severity of CVE-2024-56783?
The severity of CVE-2024-56783 is categorized as moderate.
How do I fix CVE-2024-56783?
To fix CVE-2024-56783, you should update the Linux kernel to a version that includes the patch for this vulnerability.
What systems are affected by CVE-2024-56783?
CVE-2024-56783 affects various versions of the Linux kernel, specifically between versions 6.1.112 to 6.1.120, 6.6.53 to 6.6.66, and 6.10.12 to 6.12.5.
Is CVE-2024-56783 a remote vulnerability?
CVE-2024-56783 is not primarily a remote vulnerability as it relates to the Linux kernel's handling of cgroups.
Can CVE-2024-56783 be exploited in a multi-tenant environment?
Yes, CVE-2024-56783 may pose risks in multi-tenant environments where cgroup configurations are not properly managed.
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