CVE-2024-46826

MEDIUM

Linux Kernel - Information Exposure via Double Read of randomize_va_space

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: ELF: fix kernel.randomize_va_space double read ELF loader uses "randomize_va_space" twice. It is sysctl and can change at any moment, so 2 loads could see 2 different values in theory with unpredictable consequences. Issue exactly one load for consistent value across one exec.

References (5)

Core 5

Core References

Mailing List

https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

Patch

https://git.kernel.org/stable/c/1f81d51141a234ad0a3874b4d185dc27a521cd27

Patch

https://git.kernel.org/stable/c/53f17409abf61f66b6f05aff795e938e5ba811d1

Patch

https://git.kernel.org/stable/c/1cf8cd80903073440b6ea055811d04edd24fe4f7

Patch

https://git.kernel.org/stable/c/2a97388a807b6ab5538aa8f8537b2463c6988bd2

Scores

CVSS v3 5.5

EPSS 0.0025

EPSS Percentile 16.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

Status published

Products (14)

linux/Kernel 2.6.25 - 6.1.110linux

linux/Kernel 6.2.0 - 6.6.51linux

linux/Kernel 6.7.0 - 6.10.10linux

Linux/Linux < 2.6.25

Linux/Linux 2.6.25

Linux/Linux 32a932332c8bad842804842eaf9651ad6268e637 - 1cf8cd80903073440b6ea055811d04edd24fe4f7

Linux/Linux 32a932332c8bad842804842eaf9651ad6268e637 - 1f81d51141a234ad0a3874b4d185dc27a521cd27

Linux/Linux 32a932332c8bad842804842eaf9651ad6268e637 - 2a97388a807b6ab5538aa8f8537b2463c6988bd2

Linux/Linux 32a932332c8bad842804842eaf9651ad6268e637 - 53f17409abf61f66b6f05aff795e938e5ba811d1

Linux/Linux 6.1.110 - 6.1.*

... and 4 more

Published Sep 27, 2024

Tracked Since Feb 18, 2026