cbcvebase.
CVE-2025-38051
published 2025-06-18

CVE-2025-38051: In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix use-after-free in cifs_fill_dirent There is a race condition in the…

high7CVSS 3.1
AVLACHPRLUINSUCHIHAH
In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix use-after-free in cifs_fill_dirent There is a race condition in the readdir concurrency process, which may access the rsp buffer after it has been released, triggering the following KASAN warning. BUG: KASAN: slab-use-after-free in cifs_fill_dirent+0xb03/0xb60 [cifs] Read of size 4 at addr ffff8880099b819c by task a.out/342975 CPU: 2 UID: 0 PID: 342975 Comm: a.out Not tainted 6.15.0-rc6+ #240 PREEMPT(full) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.1-2.fc37 04/01/2014 Call Trace: dump_stack_lvl+0x53/0x70 print_report+0xce/0x640 kasan_report+0xb8/0xf0 cifs_fill_dirent+0xb03/0xb60 [cifs] cifs_readdir+0x12cb/0x3190 [cifs] iterate_dir+0x1a1/0x520 __x64_sys_getdents+0x134/0x220 do_syscall_64+0x4b/0x110 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f996f64b9f9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 3d 01 f0 ff ff 0d f7 c3 0c 00 f7 d8 64 89 8 RSP: 002b:00007f996f53de78 EFLAGS: 00000207 ORIG_RAX: 000000000000004e RAX: ffffffffffffffda RBX: 00007f996f53ecdc RCX: 00007f996f64b9f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f996f53dea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000207 R12: ffffffffffffff88 R13: 0000000000000000 R14: 00007ffc8cd9a500 R15: 00007f996f51e000 Allocated by task 408: kasan_save_stack+0x20/0x40 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x6e/0x70 kmem_cache_alloc_noprof+0x117/0x3d0 mempool_alloc_noprof+0xf2/0x2c0 cifs_buf_get+0x36/0x80 [cifs] allocate_buffers+0x1d2/0x330 [cifs] cifs_demultiplex_thread+0x22b/0x2690 [cifs] kthread+0x394/0x720 ret_from_fork+0x34/0x70 ret_from_fork_asm+0x1a/0x30 Freed by task 342979: kasan_save_stack+0x20/0x40 kasan_save_track+0x14/0x30 kasan_save_free_info+0x3b/0x60 __kasan_slab_free+0x37/0x50 kmem_cache_free+0x2b8/0x500 cifs_buf_release

Affected

39 ranges· showing 25
VendorProductVersion rangeFixed in
debiandebian_linux
debianlinux< linux 6.1.147-1 (bookworm)linux 6.1.147-1 (bookworm)
debianlinux-6.1< linux 6.1.147-1 (bookworm)linux 6.1.147-1 (bookworm)
linuxlinux
linuxlinux
linuxlinux>= 2.6.27.4 < 2.6.282.6.28
linuxlinux>= a364bc0b37f14ffd66c1f982af42990a9d77fa43 < aee067e88d61eb72e966f094e4749c6b14e7008faee067e88d61eb72e966f094e4749c6b14e7008f
linuxlinux>= a364bc0b37f14ffd66c1f982af42990a9d77fa43 < a24c2f05ac3c5b0aaa539d9d913826d2643dfd0ea24c2f05ac3c5b0aaa539d9d913826d2643dfd0e
linuxlinux>= a364bc0b37f14ffd66c1f982af42990a9d77fa43 < 1b197931fbc821bc7e9e91bf619400db563e33381b197931fbc821bc7e9e91bf619400db563e3338
linuxlinux>= a364bc0b37f14ffd66c1f982af42990a9d77fa43 < c8623231e0edfcccb7cc6add0288fa0f0594282fc8623231e0edfcccb7cc6add0288fa0f0594282f
linuxlinux>= a364bc0b37f14ffd66c1f982af42990a9d77fa43 < 73cadde98f67f76c5eba00ac0b72c453383cec8b73cadde98f67f76c5eba00ac0b72c453383cec8b
linuxlinux>= a364bc0b37f14ffd66c1f982af42990a9d77fa43 < 9bea368648ac46f8593a780760362e40291d22a99bea368648ac46f8593a780760362e40291d22a9
linuxlinux>= a364bc0b37f14ffd66c1f982af42990a9d77fa43 < 9c9aafbacc183598f064902365e107b5e856531f9c9aafbacc183598f064902365e107b5e856531f
linuxlinux>= a364bc0b37f14ffd66c1f982af42990a9d77fa43 < a7a8fe56e932a36f43e031b398aef92341bf5ea0a7a8fe56e932a36f43e031b398aef92341bf5ea0
linuxlinux_kernel
linuxlinux_kernel>= 0 < 5.10.244-15.10.244-1
linuxlinux_kernel>= 0 < 6.1.147-16.1.147-1
linuxlinux_kernel>= 0 < 6.12.32-16.12.32-1
linuxlinux_kernel>= 0 < 6.12.32-16.12.32-1
linuxlinux_kernel>= 0 < 5.15.0-152.1625.15.0-152.162
linuxlinux_kernel>= 0 < 6.8.0-100.1006.8.0-100.100
linuxlinux_kernel>= 2.6.27.4 < 5.4.2945.4.294
linuxlinux_kernel>= 5.11 < 5.15.1855.15.185
linuxlinux_kernel>= 5.16 < 6.1.1416.1.141
linuxlinux_kernel>= 5.5 < 5.10.2385.10.238

CVSS provenance

nvdv3.17.0HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
osv7.0HIGH