{ "cveId": "CVE-2025-38578", "url": "https://patchblox.com/security/cve/CVE-2025-38578", "summary": "CVE-2025-38578 is fixed in 9 products on 1 platform, first by DEBIAN-CVE-2025-38578, released August 19, 2025. It is not reported as exploited. Patch Radar priority: High.", "title": "f2fs: fix to avoid UAF in f2fs_sync_inode_meta()", "description": "In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid UAF in f2fs_sync_inode_meta() syzbot reported an UAF issue as below: [1] [2] [1] https://syzkaller.appspot.com/text?tag=CrashReport\u0026x=16594c60580000 ================================================================== BUG: KASAN: use-after-free in __list_del_entry_valid\u002B0xa6/0x130 lib/list_debug.c:62 Read of size 8 at addr ffff888100567dc8 by task kworker/u4:0/8 CPU: 1 PID: 8 Comm: kworker/u4:0 Tainted: G W 6.1.129-syzkaller-00017-g642656a36791 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: writeback wb_workfn (flush-7:0) Call Trace: \u003CTASK\u003E __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl\u002B0x151/0x1b7 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:316 [inline] print_report\u002B0x158/0x4e0 mm/kasan/report.c:427 kasan_report\u002B0x13c/0x170 mm/kasan/report.c:531 __asan_report_load8_noabort\u002B0x14/0x20 mm/kasan/report_generic.c:351 __list_del_entry_valid\u002B0xa6/0x130 lib/list_debug.c:62 __list_del_entry include/linux/list.h:134 [inline] list_del_init include/linux/list.h:206 [inline] f2fs_inode_synced\u002B0x100/0x2e0 fs/f2fs/super.c:1553 f2fs_update_inode\u002B0x72/0x1c40 fs/f2fs/inode.c:588 f2fs_update_inode_page\u002B0x135/0x170 fs/f2fs/inode.c:706 f2fs_write_inode\u002B0x416/0x790 fs/f2fs/inode.c:734 write_inode fs/fs-writeback.c:1460 [inline] __writeback_single_inode\u002B0x4cf/0xb80 fs/fs-writeback.c:1677 writeback_sb_inodes\u002B0xb32/0x1910 fs/fs-writeback.c:1903 __writeback_inodes_wb\u002B0x118/0x3f0 fs/fs-writeback.c:1974 wb_writeback\u002B0x3da/0xa00 fs/fs-writeback.c:2081 wb_check_background_flush fs/fs-writeback.c:2151 [inline] wb_do_writeback fs/fs-writeback.c:2239 [inline] wb_workfn\u002B0xbba/0x1030 fs/fs-writeback.c:2266 process_one_work\u002B0x73d/0xcb0 kernel/workqueue.c:2299 worker_thread\u002B0xa60/0x1260 kernel/workqueue.c:2446 kthread\u002B0x26d/0x300 kernel/kthread.c:386 ret_from_fork\u002B0x1f/0x30 arch/x86/entry/entry_64.S:295 \u003C/TASK\u003E Allocated by task 298: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track\u002B0x4b/0x70 mm/kasan/common.c:52 kasan_save_alloc_info\u002B0x1f/0x30 mm/kasan/generic.c:505 __kasan_slab_alloc\u002B0x6c/0x80 mm/kasan/common.c:333 kasan_slab_alloc include/linux/kasan.h:202 [inline] slab_post_alloc_hook\u002B0x53/0x2c0 mm/slab.h:768 slab_alloc_node mm/slub.c:3421 [inline] slab_alloc mm/slub.c:3431 [inline] __kmem_cache_alloc_lru mm/slub.c:3438 [inline] kmem_cache_alloc_lru\u002B0x102/0x270 mm/slub.c:3454 alloc_inode_sb include/linux/fs.h:3255 [inline] f2fs_alloc_inode\u002B0x2d/0x350 fs/f2fs/super.c:1437 alloc_inode fs/inode.c:261 [inline] iget_locked\u002B0x18c/0x7e0 fs/inode.c:1373 f2fs_iget\u002B0x55/0x4ca0 fs/f2fs/inode.c:486 f2fs_lookup\u002B0x3c1/0xb50 fs/f2fs/namei.c:484 __lookup_slow\u002B0x2b9/0x3e0 fs/namei.c:1689 lookup_slow\u002B0x5a/0x80 fs/namei.c:1706 walk_component\u002B0x2e7/0x410 fs/namei.c:1997 lookup_last fs/namei.c:2454 [inline] path_lookupat\u002B0x16d/0x450 fs/namei.c:2478 filename_lookup\u002B0x251/0x600 fs/namei.c:2507 vfs_statx\u002B0x107/0x4b0 fs/stat.c:229 vfs_fstatat fs/stat.c:267 [inline] vfs_lstat include/linux/fs.h:3434 [inline] __do_sys_newlstat fs/stat.c:423 [inline] __se_sys_newlstat\u002B0xda/0x7c0 fs/stat.c:417 __x64_sys_newlstat\u002B0x5b/0x70 fs/stat.c:417 x64_sys_call\u002B0x52/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:7 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64\u002B0x3b/0x80 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe\u002B0x68/0xd2 Freed by task 0: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track\u002B0x4b/0x70 mm/kasan/common.c:52 kasan_save_free_info\u002B0x2b/0x40 mm/kasan/generic.c:516 ____kasan_slab_free\u002B0x131/0x180 mm/kasan/common.c:241 __kasan_slab_free\u002B0x11/0x20 mm/kasan/common.c:249 kasan_slab_free include/linux/kasan.h:178 [inline] slab_free_hook mm/slub.c:1745 [inline] slab_free_freelist_hook mm/slub.c:1771 [inline] slab_free mm/slub.c:3686 [inline] kmem_cache_free\u002B0x ---truncated---", "published": "2025-08-19T17:15:34Z", "severity": "medium", "cvss": 7.3, "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "epss": 0.00198, "epssPercentile": 0.09638, "priority": "High", "priorityTier": 3, "exploited": false, "vendorExploited": false, "disclosed": false, "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-38578", "fixes": [ { "platform": "linux", "product": "kernel-uek", "release": "ol 8", "fixedVersion": "0:5.4.17-2136.348.3.el7uek", "fix": "ELSA-2025-20663", "url": "https://patchblox.com/security/fix/linux/elsa-2025-20663", "released": "2025-10-11T00:00:00Z" }, { "platform": "linux", "product": "kernel-uek-container", "release": "ol 8", "fixedVersion": "0:5.4.17-2136.348.3.el7uek", "fix": "ELSA-2025-20663", "url": "https://patchblox.com/security/fix/linux/elsa-2025-20663", "released": "2025-10-11T00:00:00Z" }, { "platform": "linux", "product": "kernel-uek-container-debug", "release": "ol 8", "fixedVersion": "0:5.4.17-2136.348.3.el7uek", "fix": "ELSA-2025-20663", "url": "https://patchblox.com/security/fix/linux/elsa-2025-20663", "released": "2025-10-11T00:00:00Z" }, { "platform": "linux", "product": "kernel-uek-debug", "release": "ol 8", "fixedVersion": "0:5.4.17-2136.348.3.el7uek", "fix": "ELSA-2025-20663", "url": "https://patchblox.com/security/fix/linux/elsa-2025-20663", "released": "2025-10-11T00:00:00Z" }, { "platform": "linux", "product": "kernel-uek-debug-devel", "release": "ol 8", "fixedVersion": "0:5.4.17-2136.348.3.el7uek", "fix": "ELSA-2025-20663", "url": "https://patchblox.com/security/fix/linux/elsa-2025-20663", "released": "2025-10-11T00:00:00Z" }, { "platform": "linux", "product": "kernel-uek-devel", "release": "ol 8", "fixedVersion": "0:5.4.17-2136.348.3.el7uek", "fix": "ELSA-2025-20663", "url": "https://patchblox.com/security/fix/linux/elsa-2025-20663", "released": "2025-10-11T00:00:00Z" }, { "platform": "linux", "product": "kernel-uek-doc", "release": "ol 8", "fixedVersion": "0:5.4.17-2136.348.3.el7uek", "fix": "ELSA-2025-20663", "url": "https://patchblox.com/security/fix/linux/elsa-2025-20663", "released": "2025-10-11T00:00:00Z" }, { "platform": "linux", "product": "kernel-uek-tools", "release": "ol 8", "fixedVersion": "0:5.4.17-2136.348.3.el7uek", "fix": "ELSA-2025-20663", "url": "https://patchblox.com/security/fix/linux/elsa-2025-20663", "released": "2025-10-11T00:00:00Z" }, { "platform": "linux", "product": "linux", "release": "Debian 12.15 (bookworm)", "fixedVersion": "6.1.148-1", "fix": "DEBIAN-CVE-2025-38578", "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-38578", "released": "2025-08-19T17:15:34Z" }, { "platform": "linux", "product": "linux", "release": "Debian 13.5 (trixie)", "fixedVersion": "6.12.43-1", "fix": "DEBIAN-CVE-2025-38578", "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-38578", "released": "2025-08-19T17:15:34Z" }, { "platform": "linux", "product": "linux", "release": "Debian 14", "fixedVersion": "6.16.3-1", "fix": "DEBIAN-CVE-2025-38578", "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-38578", "released": "2025-08-19T17:15:34Z" } ], "noFixYet": [], "dataAsOf": "2026-11-09T19:38:12Z", "attribution": { "text": "Data: Patchblox Patch Radar", "url": "https://patchblox.com/security/patch-radar", "terms": "https://patchblox.com/security/patch-radar/use-the-data" } }