CVE-2026-90434

Unknown

Last modified

CVE-2026-90434 is a vulnerability of currently unknown severity. 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.

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.

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 59bc055211b8d266ab6089158058bf8268e02006, < dbcc7d1b818162aeab2e97fd217d86546d9fde15; >= 59bc055211b8d266ab6089158058bf8268e02006, < ec33e6b7a1de20d7e623b12633191a855445657d; >= 59bc055211b8d266ab6089158058bf8268e02006, < 0c2c54a7d174edc845f7bae24179fe72a926d10f; >= 59bc055211b8d266ab6089158058bf8268e02006, < 5677737c2cedf417c0fcf61540b9cef0e62273d4; >= 59bc055211b8d266ab6089158058bf8268e02006, < f2a1611065c700a374b31c5cc8a7587f5e3bfe73; >= 59bc055211b8d266ab6089158058bf8268e02006, < 106e1a3b2b3454fbda63a59e9290cb9a253f81aa; >= 59bc055211b8d266ab6089158058bf8268e02006, < 3371d30a97a257b7b5f2c8009612e9d452180f0a; >= 59bc055211b8d266ab6089158058bf8268e02006, < 2f7dd9b86fe4076059e6a4a2a2c5d565afd76b9e
LinuxLinux2.6.33

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-90434?
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.
How severe is CVE-2026-90434?
Severity scoring for CVE-2026-90434 is pending analysis.
How do I fix CVE-2026-90434?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2026

Are you affected by CVE-2026-90434?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST