{"id":"CVE-2026-90434","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nisofs: release zisofs block pointer buffer head\n\nzisofs_fill_pages() reads the compressed block pointer table","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nisofs: release zisofs block pointer buffer head\n\nzisofs_fill_pages() reads the compressed block pointer table.  The error\npaths release the current buffer_head, the loo…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 59bc055211b8d266ab6089158058bf8268e02006 < dbcc7d1b818162aeab2e97fd217d86546d9fde15","Linux >= 59bc055211b8d266ab6089158058bf8268e02006 < ec33e6b7a1de20d7e623b12633191a855445657d","Linux >= 59bc055211b8d266ab6089158058bf8268e02006 < 0c2c54a7d174edc845f7bae24179fe72a926d10f","Linux >= 59bc055211b8d266ab6089158058bf8268e02006 < 5677737c2cedf417c0fcf61540b9cef0e62273d4","Linux >= 59bc055211b8d266ab6089158058bf8268e02006 < f2a1611065c700a374b31c5cc8a7587f5e3bfe73","Linux >= 59bc055211b8d266ab6089158058bf8268e02006 < 106e1a3b2b3454fbda63a59e9290cb9a253f81aa","Linux >= 59bc055211b8d266ab6089158058bf8268e02006 < 3371d30a97a257b7b5f2c8009612e9d452180f0a","Linux >= 59bc055211b8d266ab6089158058bf8268e02006 < 2f7dd9b86fe4076059e6a4a2a2c5d565afd76b9e","Linux 2.6.33"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:17:48.597","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90434","references":[{"url":"https://git.kernel.org/stable/c/0c2c54a7d174edc845f7bae24179fe72a926d10f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/106e1a3b2b3454fbda63a59e9290cb9a253f81aa","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2f7dd9b86fe4076059e6a4a2a2c5d565afd76b9e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3371d30a97a257b7b5f2c8009612e9d452180f0a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5677737c2cedf417c0fcf61540b9cef0e62273d4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/dbcc7d1b818162aeab2e97fd217d86546d9fde15","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ec33e6b7a1de20d7e623b12633191a855445657d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f2a1611065c700a374b31c5cc8a7587f5e3bfe73","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-17T16:21:47.790Z","epss":0.0021,"epssPercentile":0.11551,"slug":"CVE-2026-90434","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nisofs: release zisofs block pointer buffer head\n\nzisofs_fill_pages() reads the compressed block pointer table.  The error\npaths release the current buffer_head, the loop also releases the old\nbuffer_head when it advances. However, the success path leaves the last\nbuffer_head referenced. Release it before returning success.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}