CVE-2025-39752 — Signal Handler Race Condition in Linux
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 96.43%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 11
Latest updateMar 25
Description
In the Linux kernel, the following vulnerability has been resolved:
ARM: rockchip: fix kernel hang during smp initialization
In order to bring up secondary CPUs main CPU write trampoline
code to SRAM. The trampoline code is written while secondary
CPUs are powered on (at least that true for RK3188 CPU).
Sometimes that leads to kernel hang. Probably because secondary
CPU execute trampoline code while kernel doesn't expect.
The patch moves SRAM initialization step to the point where all
seconda…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages3 packages
▶CVEListV5linux/linux3ee851e212d0bb6be8c462059fba74ce2e3f6064 — 3c6bf7a324b8995b9c7d790c8d2abf0668f51551+9
Also affects: Debian Linux 11.0
Patches
🔴Vulnerability Details
3GHSA▶
GHSA-pr7q-phhw-mf48: In the Linux kernel, the following vulnerability has been resolved:
ARM: rockchip: fix kernel hang during smp initialization
In order to bring up se↗2025-09-11
OSV▶
CVE-2025-39752: In the Linux kernel, the following vulnerability has been resolved: ARM: rockchip: fix kernel hang during smp initialization In order to bring up seco↗2025-09-11