Not yet scoredPublished Sep 17, 2026

CVE-2026-90434isofs: release zisofs block pointer buffer head

Updated under an hour ago (Oct 27, 2026, 4:00 AM ET)

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Exploited in the last 30 days

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: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Received
Record last updated: Oct 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 59bc055211b8d266ab6089158058bf8268e02006 before dbcc7d1b818162aeab2e97fd217d86546d9fde15; from 59bc055211b8d266ab6089158058bf8268e02006 before ec33e6b7a1de20d7e623b12633191a855445657d; 59bc055211b8d266ab6089158058bf8268e02006 builds before 0c2c54a7d174edc845f7bae24179fe72a926d10f; from 59bc055211b8d266ab6089158058bf8268e02006 before 5677737c2cedf417c0fcf61540b9cef0e62273d4; from 59bc055211b8d266ab6089158058bf8268e02006 before f2a1611065c700a374b31c5cc8a7587f5e3bfe73; from 59bc055211b8d266ab6089158058bf8268e02006 before 106e1a3b2b3454fbda63a59e9290cb9a253f81aa; from 59bc055211b8d266ab6089158058bf8268e02006 before 3371d30a97a257b7b5f2c8009612e9d452180f0a; 59bc055211b8d266ab6089158058bf8268e02006 builds before 2f7dd9b86fe4076059e6a4a2a2c5d565afd76b9e	CNA record

References

References

https://git.kernel.org/stable/c/dbcc7d1b818162aeab2e97fd217d86546d9fde15
https://git.kernel.org/stable/c/ec33e6b7a1de20d7e623b12633191a855445657d
https://git.kernel.org/stable/c/0c2c54a7d174edc845f7bae24179fe72a926d10f
https://git.kernel.org/stable/c/5677737c2cedf417c0fcf61540b9cef0e62273d4
https://git.kernel.org/stable/c/f2a1611065c700a374b31c5cc8a7587f5e3bfe73
https://git.kernel.org/stable/c/106e1a3b2b3454fbda63a59e9290cb9a253f81aa
https://git.kernel.org/stable/c/3371d30a97a257b7b5f2c8009612e9d452180f0a
https://git.kernel.org/stable/c/2f7dd9b86fe4076059e6a4a2a2c5d565afd76b9e

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.