CVE-2023-52996

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.

Reserved 2025-03-27 | Published 2025-03-27 | Updated 2025-05-04 | Assigner Linux

Product status

Default status
unaffected

5f9ae3d9e7e4ad6db0491abc7c4ae5452dbeadd8 before 8f0eb24f1a7a60ce635f0d757a46f1a37a4d467d
affected

5f9ae3d9e7e4ad6db0491abc7c4ae5452dbeadd8 before 7f9828fb1f688210e681268490576f0ca65c322a
affected

5f9ae3d9e7e4ad6db0491abc7c4ae5452dbeadd8 before ca3cf947760de050d558293002ad3e7f4b8745d2
affected

5f9ae3d9e7e4ad6db0491abc7c4ae5452dbeadd8 before f9753ebd61be2d957b5504cbd3fd719674f05b7a
affected

5f9ae3d9e7e4ad6db0491abc7c4ae5452dbeadd8 before 5e9398a26a92fc402d82ce1f97cc67d832527da0
affected

Default status
affected

4.14
affected

Any version before 4.14
unaffected

5.4.231
unaffected

5.10.166
unaffected

5.15.91
unaffected

6.1.9
unaffected

6.2
unaffected

References

git.kernel.org/...c/8f0eb24f1a7a60ce635f0d757a46f1a37a4d467d

git.kernel.org/...c/7f9828fb1f688210e681268490576f0ca65c322a

git.kernel.org/...c/ca3cf947760de050d558293002ad3e7f4b8745d2

git.kernel.org/...c/f9753ebd61be2d957b5504cbd3fd719674f05b7a

git.kernel.org/...c/5e9398a26a92fc402d82ce1f97cc67d832527da0

cve.org (CVE-2023-52996)

nvd.nist.gov (CVE-2023-52996)

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