What is CVE-2026-23006?

CVE-2026-23006 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2026-01-25.

How severe is CVE-2026-23006?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2026-23006 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Linux

CVE-2026-23006

In the Linux kernel, the following vulnerability has been resolved: ASoC: tlv320adcx140: fix null pointer The "snd_soc_component" in "adcx140_priv" was only used once but never set. It was only used for reaching "dev" which is already present in "adcx140_priv".

EPSS: 0.002 (8.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions 4e82971f7b556cff3491c867e8840e7d788693b9, 6.1, 0
Linux Linux_kernel — versions 6.1, 6.19

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

George0Papasotiriou/CVE-2026-23006-Kyber-Ciphertext-Length-Side-Channel

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-23006?: CVE-2026-23006 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2026-01-25.
How severe is CVE-2026-23006?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2026-23006 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.