{"id":"AZL-48018","summary":"CVE-2024-42314 affecting package kernel for versions less than 6.6.47.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix extent map use-after-free when adding pages to compressed bio\n\nAt add_ra_bio_pages() we are accessing the extent map to calculate\n'add_size' after we dropped our reference on the extent map, resulting\nin a use-after-free. Fix this by computing 'add_size' before dropping our\nextent map reference.","modified":"2026-04-01T05:17:07.721290Z","published":"2024-08-17T09:15:11Z","upstream":["CVE-2024-42314"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-42314"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.47.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-48018.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}