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CVE-2026-90434

isofs: release zisofs block pointer buffer head

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, and 2 more
None on Exploit-DB, Metasploit or GitHub

Summary

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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From 59bc055211b8d266ab6089158058bf8268e02006 · fixed in dbcc7d1b818162aeab2e97fd217d86546d9fde15; From 59bc055211b8d266ab6089158058bf8268e02006 · fixed in ec33e6b7a1de20d7e623b12633191a855445657d; From 59bc055211b8d266ab6089158058bf8268e02006 · fixed in 0c2c54a7d174edc845f7bae24179fe72a926d10f; From 59bc055211b8d266ab6089158058bf8268e02006 · fixed in 5677737c2cedf417c0fcf61540b9cef0e62273d4; From 59bc055211b8d266ab6089158058bf8268e02006 · fixed in f2a1611065c700a374b31c5cc8a7587f5e3bfe73; From 59bc055211b8d266ab6089158058bf8268e02006 · fixed in 106e1a3b2b3454fbda63a59e9290cb9a253f81aa; From 59bc055211b8d266ab6089158058bf8268e02006 · fixed in 3371d30a97a257b7b5f2c8009612e9d452180f0a; From 59bc055211b8d266ab6089158058bf8268e02006 · fixed in 2f7dd9b86fe4076059e6a4a2a2c5d565afd76b9e

  • Linux Linux

    2.6.33

  • KernelLinux

    From 2.6.33 · fixed in 5.10.270; From 5.11.0 · fixed in 5.15.221; From 5.16.0 · fixed in 6.1.188; From 6.2.0 · fixed in 6.6.157; From 6.7.0 · fixed in 6.12.110; From 6.13.0 · fixed in 6.18.52; From 6.19.0 · fixed in 7.2.6

References 8

git.kernel.org