7.1

CVE-2026-46203: linux Out-of-bounds Read

CVSS: 7.1v3.1HighModified
AliasesUBUNTU-CVE-2026-46203DEBIAN-CVE-2026-46203CGA-2jhp-jgfv-8phr
Published 28-05-2026Last modified 19-06-2026
Open JSON

Vulnerability summary

CVE-2026-46203 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in linux. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2.3% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (NVD)
EPSS score
0.13%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 19 · Related 20
OPENSUSE-SU-2026:10954-1USN-8566-1USN-8568-1USN-8569-1USN-8593-1USN-8603-1

Timeline

  1. 28-05-2026
    PublishedVulnerability first disclosed.
  2. 19-06-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: spi: cadence-quadspi: fix unclocked access on unbind Make sure that the controller is runtime resumed before disabling it during driver unbind to avoid an unclocked register access. This issue was flagged by Sashiko when reviewing a controller deregistration fix.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.13%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

0.00 pp

From 0.13% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.13%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu140 products
  • linux< 6.8.0-146.146 | All versions (No fix recorded) | < 7.0.0-28.28
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 6.8.0-1066.69 | All versions (No fix recorded) | < 7.0.0-1009.9
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Chainguard25 products
  • linux-aws-6.12All versions (No fix recorded)
  • linux-aws-6.18< 6.18.36-r0
  • linux-azure-6.12All versions (No fix recorded)
  • linux-azure-6.18< 6.18.36-r0
  • linux-desktop-6.18All versions (No fix recorded)
Linux2 products
  • linux≥ 0578a6dbfe7514db7134501cf93acc21cf13e479, < 2e7cd62c37f51823c2bb79de1d4d76d0c1678c7e | ≥ 0578a6dbfe7514db7134501cf93acc21cf13e479, < 63a9f6012f453578898c9fcc13c8452a8651104e | ≥ 0578a6dbfe7514db7134501cf93acc21cf13e479, < d67a5311818b3e6481a1e4293c9337ebfee73111 | ≥ 0578a6dbfe7514db7134501cf93acc21cf13e479, < 233db2cb14db8b1935dda52a6affd97276462b82 | 6.7
  • linux_kernel≥ 6.7, < 7.0.9 | 7.1:rc1
Debian1 product
  • linux< 6.12.94-1 | < 7.0.9-1

4 vendors · 168 products

References

26 links
Show all 26 references