What is CVE-2024-11263?

CVE-2024-11263 is a critical-severity vulnerability in Zephyrproject Zephyr, classified under Privilege Context Switching Error. CVSS score: 9.3/10. Published 2024-11-15.

How severe is CVE-2024-11263?

Critical severity. CVSS v3 base score is 9.3 out of 10.

Vulnerability in Zephyrproject Zephyr

CVE-2024-11263

When the Global Pointer (GP) relative addressing is enabled (CONFIG_RISCV_GP=y), the gp reg points at 0x800 bytes past the start of the .sdata section which is then used by the linker to relax accesses to global symbols.

Published 2024-11-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (5.3th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-270 — Privilege Context Switching Error

References

github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-jjf3-7x72-pqm9 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2024-11263?: CVE-2024-11263 is a critical-severity vulnerability in Zephyrproject Zephyr, classified under Privilege Context Switching Error. CVSS score: 9.3/10. Published 2024-11-15.
How severe is CVE-2024-11263?: Critical severity. CVSS v3 base score is 9.3 out of 10.