CVE-2020-36691
5.5MEDIUMAn issue was discovered in the Linux kernel before 5.8. lib/nlattr.c allows attackers to cause a denial of service (unbounded recursion) via a nested Netlink policy with a back reference.
Published: 3/24/2023Updated: 2/21/2025
Description
An issue was discovered in the Linux kernel before 5.8. lib/nlattr.c allows attackers to cause a denial of service (unbounded recursion) via a nested Netlink policy with a back reference.
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Affected Products
linuxlinux_kernel
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8Release Notes
- https://github.com/torvalds/linux/commit/7690aa1cdf7c4565ad6b013b324c28b685505e24Patch
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8Release Notes
- https://github.com/torvalds/linux/commit/7690aa1cdf7c4565ad6b013b324c28b685505e24Patch