{ "cveId": "CVE-2025-38577", "url": "https://patchblox.com/security/cve/CVE-2025-38577", "summary": "CVE-2025-38577 is fixed in 9 products on 1 platform, first by DEBIAN-CVE-2025-38577, released August 19, 2025. It is not reported as exploited. Patch Radar priority: Routine.", "title": "f2fs: fix to avoid panic in f2fs_evict_inode", "description": "In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid panic in f2fs_evict_inode As syzbot [1] reported as below: R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffe17473450 R13: 00007f28b1c10854 R14: 000000000000dae5 R15: 00007ffe17474520 \u003C/TASK\u003E ---[ end trace 0000000000000000 ]--- ================================================================== BUG: KASAN: use-after-free in __list_del_entry_valid\u002B0xa6/0x130 lib/list_debug.c:62 Read of size 8 at addr ffff88812d962278 by task syz-executor/564 CPU: 1 PID: 564 Comm: syz-executor Tainted: G W 6.1.129-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: \u003CTASK\u003E __dump_stack\u002B0x21/0x24 lib/dump_stack.c:88 dump_stack_lvl\u002B0xee/0x158 lib/dump_stack.c:106 print_address_description\u002B0x71/0x210 mm/kasan/report.c:316 print_report\u002B0x4a/0x60 mm/kasan/report.c:427 kasan_report\u002B0x122/0x150 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\u002B0xf7/0x2e0 fs/f2fs/super.c:1531 f2fs_update_inode\u002B0x74/0x1c40 fs/f2fs/inode.c:585 f2fs_update_inode_page\u002B0x137/0x170 fs/f2fs/inode.c:703 f2fs_write_inode\u002B0x4ec/0x770 fs/f2fs/inode.c:731 write_inode fs/fs-writeback.c:1460 [inline] __writeback_single_inode\u002B0x4a0/0xab0 fs/fs-writeback.c:1677 writeback_single_inode\u002B0x221/0x8b0 fs/fs-writeback.c:1733 sync_inode_metadata\u002B0xb6/0x110 fs/fs-writeback.c:2789 f2fs_sync_inode_meta\u002B0x16d/0x2a0 fs/f2fs/checkpoint.c:1159 block_operations fs/f2fs/checkpoint.c:1269 [inline] f2fs_write_checkpoint\u002B0xca3/0x2100 fs/f2fs/checkpoint.c:1658 kill_f2fs_super\u002B0x231/0x390 fs/f2fs/super.c:4668 deactivate_locked_super\u002B0x98/0x100 fs/super.c:332 deactivate_super\u002B0xaf/0xe0 fs/super.c:363 cleanup_mnt\u002B0x45f/0x4e0 fs/namespace.c:1186 __cleanup_mnt\u002B0x19/0x20 fs/namespace.c:1193 task_work_run\u002B0x1c6/0x230 kernel/task_work.c:203 exit_task_work include/linux/task_work.h:39 [inline] do_exit\u002B0x9fb/0x2410 kernel/exit.c:871 do_group_exit\u002B0x210/0x2d0 kernel/exit.c:1021 __do_sys_exit_group kernel/exit.c:1032 [inline] __se_sys_exit_group kernel/exit.c:1030 [inline] __x64_sys_exit_group\u002B0x3f/0x40 kernel/exit.c:1030 x64_sys_call\u002B0x7b4/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64\u002B0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe\u002B0x68/0xd2 RIP: 0033:0x7f28b1b8e169 Code: Unable to access opcode bytes at 0x7f28b1b8e13f. RSP: 002b:00007ffe174710a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f28b1c10879 RCX: 00007f28b1b8e169 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000002 R08: 00007ffe1746ee47 R09: 00007ffe17472360 R10: 0000000000000009 R11: 0000000000000246 R12: 00007ffe17472360 R13: 00007f28b1c10854 R14: 000000000000dae5 R15: 00007ffe17474520 \u003C/TASK\u003E Allocated by task 569: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track\u002B0x4b/0x70 mm/kasan/common.c:52 kasan_save_alloc_info\u002B0x25/0x30 mm/kasan/generic.c:505 __kasan_slab_alloc\u002B0x72/0x80 mm/kasan/common.c:328 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook\u002B0x4f/0x2c0 mm/slab.h:737 slab_alloc_node mm/slub.c:3398 [inline] slab_alloc mm/slub.c:3406 [inline] __kmem_cache_alloc_lru mm/slub.c:3413 [inline] kmem_cache_alloc_lru\u002B0x104/0x220 mm/slub.c:3429 alloc_inode_sb include/linux/fs.h:3245 [inline] f2fs_alloc_inode\u002B0x2d/0x340 fs/f2fs/super.c:1419 alloc_inode fs/inode.c:261 [inline] iget_locked\u002B0x186/0x880 fs/inode.c:1373 f2fs_iget\u002B0x55/0x4c60 fs/f2fs/inode.c:483 f2fs_lookup\u002B0x366/0xab0 fs/f2fs/namei.c:487 __lookup_slow\u002B0x2a3/0x3d0 fs/namei.c:1690 lookup_slow\u002B0x57/0x70 fs/namei.c:1707 walk_component\u002B0x2e6/0x410 fs/namei ---truncated---", "published": "2025-08-19T17:15:34Z", "severity": "medium", "cvss": 6.6, "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "epss": 0.00187, "epssPercentile": 0.08317, "priority": "Routine", "priorityTier": 4, "exploited": false, "vendorExploited": false, "disclosed": false, "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-38577", "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-2025-38577", "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-38577", "released": "2025-08-19T17:15:34Z" }, { "platform": "linux", "product": "linux", "release": "Debian 13.5 (trixie)", "fixedVersion": "6.12.43-1", "fix": "DEBIAN-CVE-2025-38577", "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-38577", "released": "2025-08-19T17:15:34Z" }, { "platform": "linux", "product": "linux", "release": "Debian 14", "fixedVersion": "6.16.3-1", "fix": "DEBIAN-CVE-2025-38577", "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-38577", "released": "2025-08-19T17:15:34Z" } ], "noFixYet": [], "dataAsOf": "2026-11-08T06:59:42Z", "attribution": { "text": "Data: Patchblox Patch Radar", "url": "https://patchblox.com/security/patch-radar", "terms": "https://patchblox.com/security/patch-radar/use-the-data" } }