CVE-2026-23023 — Missing Release of Memory after Effective Lifetime in Linux

CWE-401 — Missing Release of Memory after Effective LifetimeCWE-772 — Missing Release of Resource after Effective Lifetime7 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 95.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedJan 31

Description

In the Linux kernel, the following vulnerability has been resolved: idpf: fix memory leak in idpf_vport_rel() Free vport->rx_ptype_lkup in idpf_vport_rel() to avoid leaking memory during a reset. Reported by kmemleak: unreferenced object 0xff450acac838a000 (size 4096): comm "kworker/u258:5", pid 7732, jiffies 4296830044 hex dump (first 32 bytes): 00 00 00 00 00 10 00 00 00 10 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 10 00 00 00 00 00 00 ................ backtrace (crc 3da…

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 Packages5 packages

▶Linuxlinux/linux_kernel6.7.0 — 6.12.66+1
▶NVDlinux/linux_kernel6.7.1 — 6.12.66+3
▶Debianlinux/linux_kernel< 6.12.69-1+1
▶CVEListV5linux/linux0fe45467a1041ea3657a7fa3a791c84c104fbd34 — a4212d6732e3f674c6cc7d0b642f276d827e8f94+3
▶debiandebian/linux< linux 6.18.8-1 (forky)

Patches

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

🔴Vulnerability Details

3
OSV
CVE-2026-23023: In the Linux kernel, the following vulnerability has been resolved: idpf: fix memory leak in idpf_vport_rel() Free vport->rx_ptype_lkup in idpf_vport_↗2026-01-31
▶
OSV
idpf: fix memory leak in idpf_vport_rel()↗2026-01-31
▶
GHSA
GHSA-qwpm-8xh6-72rp: In the Linux kernel, the following vulnerability has been resolved: idpf: fix memory leak in idpf_vport_rel() Free vport->rx_ptype_lkup in idpf_vpor↗2026-01-31
▶

📋Vendor Advisories

2
Red Hat
kernel: Linux kernel: Memory leak in idpf driver can lead to denial of service↗2026-01-31
▶
Debian
CVE-2026-23023: linux - In the Linux kernel, the following vulnerability has been resolved: idpf: fix m...↗2026
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-23023 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2026-23023 — Linux vulnerability | cvebase