CVE-2024-57801: net/mlx5e: Skip restore TC rules for vport rep without loaded flag
First published: Wed Jan 15 2025(Updated: )
In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Skip restore TC rules for vport rep without loaded flag During driver unload, unregister_netdev is called after unloading vport rep. So, the mlx5e_rep_priv is already freed while trying to get rpriv->netdev, or walk rpriv->tc_ht, which results in use-after-free. So add the checking to make sure access the data of vport rep which is still loaded.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Red Hat Kernel-devel | ||
| Linux Kernel | >=6.6<6.6.70 | |
| Linux Kernel | >=6.7<6.12.9 | |
| Linux Kernel | =6.13-rc1 | |
| Linux Kernel | =6.13-rc2 | |
| Linux Kernel | =6.13-rc3 | |
| Linux Kernel | =6.13-rc4 | |
| Linux Kernel | =6.13-rc5 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.133-1 6.12.22-1 |
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Reference Links
- https://git.kernel.org/stable/c/3e45dd1622a2c1a83c11bf42fdd8c1810123d6c0
- https://git.kernel.org/stable/c/47c78d3fc26e38ab805613a0f592dc8a820c7c64
- https://git.kernel.org/stable/c/5a03b368562a7ff5f5f1f63b5adf8309cbdbd5be
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-57801
- https://nvd.nist.gov/vuln/detail/CVE-2024-57801
- https://launchpad.net/bugs/cve/CVE-2024-57801
- https://security-tracker.debian.org/tracker/CVE-2024-57801
- https://ubuntu.com/security/CVE-2024-57801
- https://git.kernel.org/linus/5a03b368562a7ff5f5f1f63b5adf8309cbdbd5be
Frequently Asked Questions
What is the severity of CVE-2024-57801?
CVE-2024-57801 has a severity rating that reflects potential denial of service risks within the Linux kernel.
How do I fix CVE-2024-57801?
To mitigate CVE-2024-57801, it is recommended to update to the latest patch version of the Linux kernel that addresses this vulnerability.
What systems are affected by CVE-2024-57801?
CVE-2024-57801 affects various versions of the Linux kernel ranging from 6.7 to 6.6.70 and 6.13 release candidates.
What potential impact does CVE-2024-57801 have?
CVE-2024-57801 can result in instability or crashes in networking operations, primarily when the driver unloads.
Is there a known exploit for CVE-2024-57801?
As of now, there are no publicly known exploits targeting CVE-2024-57801.
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