CVE-2026-90434: linux

CVSS: UnknownReceived
AliasesUBUNTU-CVE-2026-90434DEBIAN-CVE-2026-90434
Published 17-09-2026Last modified 19-10-2026
Open JSON

Vulnerability summary

CVE-2026-90434 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.6% of scored vulnerabilities.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.21%
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 5 · Related 5
OPENSUSE-SU-2026:11893-1SUSE-SU-2026:24181-1SUSE-SU-2026:24182-1SUSE-SU-2026:4640-1SUSE-SU-2026:4706-1

Timeline

  1. 17-09-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: isofs: release zisofs block pointer buffer head zisofs_fill_pages() reads the compressed block pointer table. The error paths release the current buffer_head, the loop also releases the old buffer_head when it advances. However, the success path leaves the last buffer_head referenced. Release it before returning success.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

0.00 pp

From 0.21% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.21%

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

No weakness data has been published for this record.

Affected systems

Ubuntu169 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)
Debian2 products
  • linuxAll versions (No fix recorded) | < 6.1.190-1 | < 6.12.111-1 | < 7.2.6-1
  • linux-6.12< 6.12.111-1~deb12u1
Linux1 product
  • linux≥ 59bc055211b8d266ab6089158058bf8268e02006, < dbcc7d1b818162aeab2e97fd217d86546d9fde15 | ≥ 59bc055211b8d266ab6089158058bf8268e02006, < ec33e6b7a1de20d7e623b12633191a855445657d | ≥ 59bc055211b8d266ab6089158058bf8268e02006, < 0c2c54a7d174edc845f7bae24179fe72a926d10f | ≥ 59bc055211b8d266ab6089158058bf8268e02006, < 5677737c2cedf417c0fcf61540b9cef0e62273d4 | ≥ 59bc055211b8d266ab6089158058bf8268e02006, < f2a1611065c700a374b31c5cc8a7587f5e3bfe73 | ≥ 59bc055211b8d266ab6089158058bf8268e02006, < 106e1a3b2b3454fbda63a59e9290cb9a253f81aa | ≥ 59bc055211b8d266ab6089158058bf8268e02006, < 3371d30a97a257b7b5f2c8009612e9d452180f0a | ≥ 59bc055211b8d266ab6089158058bf8268e02006, < 2f7dd9b86fe4076059e6a4a2a2c5d565afd76b9e | 2.6.33

3 vendors · 172 products

References

13 links
Show all 13 references