{"id":"DEBIAN-CVE-2022-49380","details":"In the Linux kernel, the following vulnerability has been resolved:  f2fs: fix to avoid f2fs_bug_on() in dec_valid_node_count()  As Yanming reported in bugzilla:  https://bugzilla.kernel.org/show_bug.cgi?id=215897  I have encountered a bug in F2FS file system in kernel v5.17.  The kernel should enable CONFIG_KASAN=y and CONFIG_KASAN_INLINE=y. You can reproduce the bug by running the following commands:  The kernel message is shown below:  kernel BUG at fs/f2fs/f2fs.h:2511! Call Trace:  f2fs_remove_inode_page+0x2a2/0x830  f2fs_evict_inode+0x9b7/0x1510  evict+0x282/0x4e0  do_unlinkat+0x33a/0x540  __x64_sys_unlinkat+0x8e/0xd0  do_syscall_64+0x3b/0x90  entry_SYSCALL_64_after_hwframe+0x44/0xae  The root cause is: .total_valid_block_count or .total_valid_node_count could fuzzed to zero, then once dec_valid_node_count() was called, it will cause BUG_ON(), this patch fixes to print warning info and set SBI_NEED_FSCK into CP instead of panic.","modified":"2026-09-01T20:04:54.543141782Z","published":"2025-02-26T07:01:14.633Z","upstream":["CVE-2022-49380"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-49380"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.5-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49380.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.5-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49380.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.5-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49380.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}