7.8

CVE-2026-43263: media: chips-media: wave5: Fix Null reference while testing fluster

Modified
AliasesUBUNTU-CVE-2026-43263DEBIAN-CVE-2026-43263CGA-j8xj-8v88-v882
Published 06-05-2026Last modified 21-10-2026

Vulnerability summary

CVE-2026-43263 is a high (CVSS 7.8) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.16%
0%100%
Low · -0.02 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 2
USN-8781-1CGA-RQ5V-8PRQ-4GQP

Timeline

  1. 06-05-2026
    PublishedVulnerability first disclosed.
  2. 21-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: media: chips-media: wave5: Fix Null reference while testing fluster When multi instances are created/destroyed, many interrupts happens and structures for decoder are removed. "struct vpu_instance" this structure is shared for all flow in the decoder, so if the structure is not protected by lock, Null dereference could happens sometimes. IRQ Handler was spilt to two phases and Lock was added as well.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

Decrease -0.02 pp

From 0.17% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu132 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Chainguard5 products
  • linux-aws-6.12< 6.12.85-r2
  • linux-azure-6.12< 6.12.85-r2
  • linux-gcp-6.12< 6.12.85-r2
  • linux-qemu-6.12< 6.12.85-r2
  • linux-vmware-6.12< 6.12.85-r2
Linux2 products
  • linux≥ 9707a6254a8a6b978bde811a44fe07d86c229d1c, < 925b8f99f92fc968990ebb4ec49c96ac2d4e600b | ≥ 9707a6254a8a6b978bde811a44fe07d86c229d1c, < ea316b784fe6a61b29131c98cddb24e651b1dcbc | ≥ 9707a6254a8a6b978bde811a44fe07d86c229d1c, < d12bcf183ec7da4305d848068d15f18044eaf62a | ≥ 9707a6254a8a6b978bde811a44fe07d86c229d1c, < e66ff2b08e4ee1c4d3b84f24818e5bcc178cc3a4 | 6.8
  • linux_kernel≥ 6.8, < 6.18.16 | ≥ 6.19, < 6.19.6
Debian1 product
  • linuxAll versions (No fix recorded) | < 6.12.115-2 | < 6.19.6-1

4 vendors · 140 products

References

12 links
Show all 12 references