vulnerability
Red Hat: CVE-2023-52996: kernel: ipv4: prevent potential spectre v1 gadget in fib_metrics_match()
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:L/AC:L/Au:N/C:C/I:P/A:P) | Mar 27, 2025 | Jul 9, 2025 | Jul 10, 2025 |
Severity
6
CVSS
(AV:L/AC:L/Au:N/C:C/I:P/A:P)
Published
Mar 27, 2025
Added
Jul 9, 2025
Modified
Jul 10, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
ipv4: prevent potential spectre v1 gadget in fib_metrics_match()
if (!type)
continue;
if (type > RTAX_MAX)
return false;
...
fi_val = fi->fib_metrics->metrics[type - 1];
@type being used as an array index, we need to prevent
cpu speculation or risk leaking kernel memory content.
Solution
no-fix-redhat-rpm-package
References
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