CVE-2025-38255 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference49 documents6 sources
Severity
5.5MEDIUMNVD
OSV5.6OSV3.2
EPSS
0.0%
top 93.31%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
12
LinuxLinux KernelDebian Linux+9 more
Timeline
PublishedJul 9
Latest updateMar 25

Description

In the Linux kernel, the following vulnerability has been resolved: lib/group_cpus: fix NULL pointer dereference from group_cpus_evenly() While testing null_blk with configfs, echo 0 > poll_queues will trigger following panic: BUG: kernel NULL pointer dereference, address: 0000000000000010 Oops: Oops: 0000 [#1] SMP NOPTI CPU: 27 UID: 0 PID: 920 Comm: bash Not tainted 6.15.0-02023-gadbdb95c8696-dirty #1238 PREEMPT(undef) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.1-2.fc37…

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 Packages14 packages

▶NVDlinux/linux_kernel6.3 — 6.6.96+3
▶Debianlinux/linux_kernel< 6.12.37-1+1
▶Ubuntulinux/linux_kernel< 6.8.0-100.100
▶CVEListV5linux/linux6a6dcae8f486c3f3298d0767d34505121c7b0b81 — 64a99eff8dcf1f951a544e6058341b2b19a8fdbd+4
▶debiandebian/linux< linux 6.12.37-1 (forky)

Patches

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

🔴Vulnerability Details

24
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-2025-38255 — NULL Pointer Dereference in Linux | cvebase