CVE-2024-46826
Published: September 28, 2024Last modified: September 28, 2024
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.110-r0) |
| 25 LTS | linux-lts | Fixed (6.12.41-r0) | |
| Stream | linux-lts | Fixed (6.12.41-r0) |
References
- https://git.kernel.org/stable/c/1cf8cd80903073440b6ea055811d04edd24fe4f7
- https://git.kernel.org/stable/c/1f81d51141a234ad0a3874b4d185dc27a521cd27
- https://git.kernel.org/stable/c/2a97388a807b6ab5538aa8f8537b2463c6988bd2
- https://git.kernel.org/stable/c/53f17409abf61f66b6f05aff795e938e5ba811d1
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html