GSD-2023-1002248 ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()
A Spectre v1 gadget in the Linux kernel IPv4 metrics conversion allows attackers to potentially read sensitive memory.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1002248?
GSD-2023-1002248 is a vulnerability in Kernel, published on 13 Feb 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.272 by commit ef050cf5fb70d995a0d03244e25179b7c66a924a, it was introduced in version v4.3 by commit 6cf9dfd3bd62edfff69f11c0f111bc261166e4c7. For more details please see the references link.
Which versions are affected by GSD-2023-1002248?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1002248?
No fix has been published for GSD-2023-1002248 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1002248 being exploited?
There is no known exploitation of GSD-2023-1002248 in the wild and no public exploit code.