CVE-2026-23023

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 36/100
Published: 2026-01-31 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Low Complexity No Interaction

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: Unchanged
C: None
I: None
A: High

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 3da81902): __kmalloc_cache_noprof+0x469/0x7a0 idpf_send_get_rx_ptype_msg+0x90/0x570 [idpf] idpf_init_task+0x1ec/0x8d0 [idpf] process_one_work+0x226/0x6d0 worker_thread+0x19e/0x340 kthread+0x10f/0x250 ret_from_fork+0x251/0x2b0 ret_from_fork_asm+0x1a/0x30

Weakness Classification (1)

Affected Software (14)

VendorProductVersion
Linux Linux 0fe45467a1041ea3657a7fa3a791c84c104fbd34 < a4212d6732e3f674c6cc7d0b642f276d827e8f94
Linux Linux 0fe45467a1041ea3657a7fa3a791c84c104fbd34 < ec602a2a4071eb956d656ba968c58fee09f0622d
Linux Linux 0fe45467a1041ea3657a7fa3a791c84c104fbd34 < f6242b354605faff263ca45882b148200915a3f6
Linux Linux 6.7
linux linux_kernel 6.7.1 – 6.12.66
linux linux_kernel 6.7
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19

Bug Bounty Relevance

36 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.18%
Raw Score 0.001760
Percentile 7.2%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00176
2026-11-13
0.00176
2026-11-12
0.00176
2026-11-10
0.00176
2026-11-09
0.00176
2026-11-08
0.00176
2026-11-07
0.00176
2026-11-06
0.00176
2026-11-05
0.00176

Intelligence Sources

mitre ref →
nvd ref →