CVE-2026-23025 — Context Switching Race Condition in Linux

CWE-368 — Context Switching Race Condition7 documents6 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 98.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
LinuxLinux KernelDebian Linux+1 more
Timeline
PublishedJan 31

Description

In the Linux kernel, the following vulnerability has been resolved: mm/page_alloc: prevent pcp corruption with SMP=n The kernel test robot has reported: BUG: spinlock trylock failure on UP on CPU#0, kcompactd0/28 lock: 0xffff888807e35ef0, .magic: dead4ead, .owner: kcompactd0/28, .owner_cpu: 0 CPU: 0 UID: 0 PID: 28 Comm: kcompactd0 Not tainted 6.18.0-rc5-00127-ga06157804399 #1 PREEMPT 8cc09ef94dcec767faa911515ce9e609c45db470 Call Trace: __dump_stack (lib/dump_stack.c:95) dump_stack_lvl (lib/d…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages6 packages

▶Linuxlinux/linux_kernel6.2.0 — 6.6.122+3
▶NVDlinux/linux_kernel6.1.57 — 6.1.162+5
▶Debianlinux/linux_kernel< 6.1.162-1+2
▶CVEListV5linux/linuxd1da921452b3ee7e07383c12955ab1c6f3b08752 — 68688fc4eab007834b4c2d740214423ba2a335a8+5
▶debiandebian/linux< linux 6.1.162-1 (bookworm)

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-c784-4r38-57xw: In the Linux kernel, the following vulnerability has been resolved: mm/page_alloc: prevent pcp corruption with SMP=n The kernel test robot has repor↗2026-01-31
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OSV
CVE-2026-23025: In the Linux kernel, the following vulnerability has been resolved: mm/page_alloc: prevent pcp corruption with SMP=n The kernel test robot has reporte↗2026-01-31
▶
OSV
mm/page_alloc: prevent pcp corruption with SMP=n↗2026-01-31
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📋Vendor Advisories

2
Red Hat
kernel: mm/page_alloc: prevent pcp corruption with SMP=n↗2026-01-31
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Debian
CVE-2026-23025: linux - In the Linux kernel, the following vulnerability has been resolved: mm/page_all...↗2026
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🕵️Threat Intelligence

1
Wiz
CVE-2026-23025 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2026-23025 — Context Switching Race Condition | cvebase