CVE-2024-26795

riscv: Sparse-Memory/vmemmap out-of-bounds fix

Description

In the Linux kernel, the following vulnerability has been resolved: riscv: Sparse-Memory/vmemmap out-of-bounds fix Offset vmemmap so that the first page of vmemmap will be mapped to the first page of physical memory in order to ensure that vmemmap’s bounds will be respected during pfn_to_page()/page_to_pfn() operations. The conversion macros will produce correct SV39/48/57 addresses for every possible/valid DRAM_BASE inside the physical memory limits. v2:Address Alex's comments

5.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.01%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/8af1c121b0102041809bc137ec600d1865eaeedd	patch
https://git.kernel.org/stable/c/5941a90c55d3bfba732b32208d58d997600b44ef	patch
https://git.kernel.org/stable/c/8310080799b40fd9f2a8b808c657269678c149af	patch
https://git.kernel.org/stable/c/a278d5c60f21aa15d540abb2f2da6e6d795c3e6e	patch
https://git.kernel.org/stable/c/2a1728c15ec4f45ed9248ae22f626541c179bfbe	patch
https://git.kernel.org/stable/c/a11dd49dcb9376776193e15641f84fcc1e5980c9	patch
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html	mailing list

Frequently Asked Questions

What is the severity of CVE-2024-26795?: CVE-2024-26795 has been scored as a medium severity vulnerability.
How to fix CVE-2024-26795?: To fix CVE-2024-26795, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-26795 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-26795 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-26795?: CVE-2024-26795 affects Linux Linux, Linux Linux.

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