{"id":"CVE-2026-90434","summary":"isofs: release zisofs block pointer buffer head","details":"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 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.","modified":"2026-09-19T03:47:26.216803925Z","published":"2026-09-17T16:09:53.716Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90434.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0c2c54a7d174edc845f7bae24179fe72a926d10f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/106e1a3b2b3454fbda63a59e9290cb9a253f81aa"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2f7dd9b86fe4076059e6a4a2a2c5d565afd76b9e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3371d30a97a257b7b5f2c8009612e9d452180f0a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5677737c2cedf417c0fcf61540b9cef0e62273d4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dbcc7d1b818162aeab2e97fd217d86546d9fde15"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ec33e6b7a1de20d7e623b12633191a855445657d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f2a1611065c700a374b31c5cc8a7587f5e3bfe73"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90434.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90434"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"59bc055211b8d266ab6089158058bf8268e02006"},{"fixed":"dbcc7d1b818162aeab2e97fd217d86546d9fde15"},{"fixed":"ec33e6b7a1de20d7e623b12633191a855445657d"},{"fixed":"0c2c54a7d174edc845f7bae24179fe72a926d10f"},{"fixed":"5677737c2cedf417c0fcf61540b9cef0e62273d4"},{"fixed":"f2a1611065c700a374b31c5cc8a7587f5e3bfe73"},{"fixed":"106e1a3b2b3454fbda63a59e9290cb9a253f81aa"},{"fixed":"3371d30a97a257b7b5f2c8009612e9d452180f0a"},{"fixed":"2f7dd9b86fe4076059e6a4a2a2c5d565afd76b9e"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90434.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.33"},{"fixed":"5.10.270"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.221"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.188"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.157"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.110"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.52"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90434.json"}}],"schema_version":"1.9.0"}