CVE-2026-23183 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference7 documents6 sources
Severity
4.4MEDIUM
No vector
EPSS
0.0%
top 91.54%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedFeb 14

Description

In the Linux kernel, the following vulnerability has been resolved: cgroup/dmem: fix NULL pointer dereference when setting max An issue was triggered: BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: Oops: 0000 [#1] SMP NOPTI CPU: 15 UID: 0 PID: 658 Comm: bash Tainted: 6.19.0-rc6-next-2026012 Tainted: [O]=OOT_MODULE Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), RIP: …

Affected Packages4 packages

▶Linuxlinux/linux_kernel6.14.0 — 6.18.10
▶Debianlinux/linux_kernel< 6.18.10-1
▶CVEListV5linux/linuxb168ed458ddecc176f3b9a1f4bcd83d7a4541c14 — c13816e8fa23deec6a8d7465d9e637fd02683b5c+2
▶debiandebian/linux< linux 6.18.10-1 (forky)

🔴Vulnerability Details

3
OSV
cgroup/dmem: fix NULL pointer dereference when setting max↗2026-02-14
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OSV
CVE-2026-23183: In the Linux kernel, the following vulnerability has been resolved: cgroup/dmem: fix NULL pointer dereference when setting max An issue was triggered:↗2026-02-14
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GHSA
GHSA-q6cr-hchj-9qvc: In the Linux kernel, the following vulnerability has been resolved: cgroup/dmem: fix NULL pointer dereference when setting max An issue was triggere↗2026-02-14
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📋Vendor Advisories

2
Red Hat
kernel: cgroup/dmem: fix NULL pointer dereference when setting max↗2026-02-14
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Debian
CVE-2026-23183: linux - In the Linux kernel, the following vulnerability has been resolved: cgroup/dmem...↗2026
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🕵️Threat Intelligence

1
Wiz
CVE-2026-23183 Impact, Exploitability, and Mitigation Steps | Wiz↗
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