CVE-2026-53324

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 36/100
Published: 2026-06-26 Modified: 2026-11-06 First seen: 2026-11-06 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: net: mana: Use pci_name() for debugfs directory naming Use pci_name(pdev) for the per-device debugfs directory instead of hardcoded "0" for PFs and pci_slot_name(pdev->slot) for VFs. The previous approach had two issues: 1. pci_slot_name() dereferences pdev->slot, which can be NULL for VFs in environments like generic VFIO passthrough or nested KVM, causing a NULL pointer dereference. 2. Multiple PFs would all use "0", and VFs across different PCI domains or buses could share the same slot name, leading to -EEXIST errors from debugfs_create_dir(). pci_name(pdev) returns the unique BDF address, is always valid, and is unique across the system.

Weakness Classification (1)

Affected Software (5)

VendorProductVersion
Linux Linux 6607c17c6c5e029da03a90085db22daf518232bf < 34dbd7b819544c99c9d96b400fe4db613f40ac4b
Linux Linux 6607c17c6c5e029da03a90085db22daf518232bf < 9211eb97e8f8c28bf9313ab97862d143dbbbef97
Linux Linux 6607c17c6c5e029da03a90085db22daf518232bf < c116f07ab9d22bb6f355f3cf9e44c1e6a47fe559
Linux Linux 6.13
linux linux_kernel 6.13 – 6.18.33

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

0.16%
Raw Score 0.001600
Percentile 5.2%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00160
2026-11-12
0.00160
2026-11-10
0.00160
2026-11-09
0.00160
2026-11-08
0.00160
2026-11-07
0.00160
2026-11-06
0.00160

Intelligence Sources

mitre ref →
nvd ref →