Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2026-23202

Severity CVSS v4.0:
Pending analysis
Type:
CWE-476 NULL Pointer Dereference
Publication date:
14/02/2026
Last modified:
19/03/2026

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> spi: tegra210-quad: Protect curr_xfer in tegra_qspi_combined_seq_xfer<br /> <br /> The curr_xfer field is read by the IRQ handler without holding the lock<br /> to check if a transfer is in progress. When clearing curr_xfer in the<br /> combined sequence transfer loop, protect it with the spinlock to prevent<br /> a race with the interrupt handler.<br /> <br /> Protect the curr_xfer clearing at the exit path of<br /> tegra_qspi_combined_seq_xfer() with the spinlock to prevent a race<br /> with the interrupt handler that reads this field.<br /> <br /> Without this protection, the IRQ handler could read a partially updated<br /> curr_xfer value, leading to NULL pointer dereference or use-after-free.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.15.198 (including) 5.15.200 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.1.160 (including) 6.1.163 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.6.120 (including) 6.6.124 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.12.63 (including) 6.12.70 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.17.13 (including) 6.18 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.18.2 (including) 6.18.10 (excluding)
cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc8:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools