CVE-2025-71080 — Reachable Assertion in Linux
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 95.64%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 13
Latest updateApr 17
Description
In the Linux kernel, the following vulnerability has been resolved:
ipv6: fix a BUG in rt6_get_pcpu_route() under PREEMPT_RT
On PREEMPT_RT kernels, after rt6_get_pcpu_route() returns NULL, the
current task can be preempted. Another task running on the same CPU
may then execute rt6_make_pcpu_route() and successfully install a
pcpu_rt entry. When the first task resumes execution, its cmpxchg()
in rt6_make_pcpu_route() will fail because rt6i_pcpu is no longer
NULL, triggering the BUG_ON(prev). It…
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 Packages11 packages
▶CVEListV5linux/linuxd2d6422f8bd17c6bb205133e290625a564194496 — 1dc33ad0867325f8d2c6d7b2a6f542d4f3121f66+3
Patches
🔴Vulnerability Details
3OSV▶
CVE-2025-71080: In the Linux kernel, the following vulnerability has been resolved: ipv6: fix a BUG in rt6_get_pcpu_route() under PREEMPT_RT On PREEMPT_RT kernels, af↗2026-01-13
GHSA▶
GHSA-gmq5-qgc7-64gv: In the Linux kernel, the following vulnerability has been resolved:
ipv6: fix a BUG in rt6_get_pcpu_route() under PREEMPT_RT
On PREEMPT_RT kernels,↗2026-01-13