CVE-2025-38063 — Resource Injection in Linux

CWE-99 — Resource Injection51 documents8 sources
Severity
5.5MEDIUMNVD
OSV3.2
EPSS
0.1%
top 76.63%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedJun 18
Latest updateMar 25

Description

In the Linux kernel, the following vulnerability has been resolved: dm: fix unconditional IO throttle caused by REQ_PREFLUSH When a bio with REQ_PREFLUSH is submitted to dm, __send_empty_flush() generates a flush_bio with REQ_OP_WRITE | REQ_PREFLUSH | REQ_SYNC, which causes the flush_bio to be throttled by wbt_wait(). An example from v5.4, similar problem also exists in upstream: crash> bt 2091206 PID: 2091206 TASK: ffff2050df92a300 CPU: 109 COMMAND: "kworker/u260:0" #0 [ffff800084a2f7f0] __…

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 Packages4 packages

▶NVDlinux/linux_kernel6.2 — 6.6.93+3
▶Debianlinux/linux_kernel< 6.1.147-1+2
▶Ubuntulinux/linux_kernel< 6.8.0-100.100
▶CVEListV5linux/linuxe34cbd307477ae07c5d8a8d0bd15e65a9ddaba5c — 95d08924335f3b6f4ea0b92ebfe4fe0731c502d9+5

Also affects: Debian Linux 11.0

Patches

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

🔴Vulnerability Details

26
OSV
linux-azure-6.8 vulnerabilities↗2026-03-25
▶
OSV
linux-azure-fips vulnerabilities↗2026-03-04
▶
OSV
linux-azure vulnerabilities↗2026-03-04
▶
OSV
linux-ibm, linux-ibm-6.8 vulnerabilities↗2026-02-24
▶
OSV
linux-xilinx vulnerabilities↗2026-02-24
▶

📋Vendor Advisories

24
Ubuntu
Linux kernel (Azure) vulnerabilities↗2026-03-25
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2026-03-04
▶
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities↗2026-03-04
▶
Ubuntu
Linux kernel (Xilinx) vulnerabilities↗2026-02-24
▶
Ubuntu
Linux kernel (IBM) vulnerabilities↗2026-02-24
▶
CVE-2025-38063 — Resource Injection in Linux | cvebase