CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: net/smc: fix UAF on smcsk after smc_listen_out() BPF CI testing report a UAF issue: [ 16.446633] BUG: kernel NULL pointer dereference, address: 000000000000003 0 [ 16.447134] #PF: supervisor read access in kernel mod e [ 16.447516] #PF: error_code(0x0000) - not-present pag e [ 16.447878] PGD 0 P4D 0 [ 16.448063] Oops: Oops: 0000 [#1] PREEMPT SMP NOPT I [ 16.448409] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:1 Tainted: G OE 6.13.0-rc3-g89e8a75fda73-dirty #4 2 [ 16.449124] Tainted: [O]=OOT_MODULE, [E]=UNSIGNED_MODUL E [ 16.449502] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/201 4 [ 16.450201] Workqueue: smc_hs_wq smc_listen_wor k [ 16.450531] RIP: 0010:smc_listen_work+0xc02/0x159 0 [ 16.452158] RSP: 0018:ffffb5ab40053d98 EFLAGS: 0001024 6 [ 16.452526] RAX: 0000000000000001 RBX: 0000000000000002 RCX: 000000000000030 0 [ 16.452994] RDX: 0000000000000280 RSI: 00003513840053f0 RDI: 000000000000000 0 [ 16.453492] RBP: ffffa097808e3800 R08: ffffa09782dba1e0 R09: 000000000000000 5 [ 16.453987] R10: 0000000000000000 R11: 0000000000000000 R12: ffffa0978274640 0 [ 16.454497] R13: 0000000000000000 R14: 0000000000000000 R15: ffffa09782d4092 0 [ 16.454996] FS: 0000000000000000(0000) GS:ffffa097bbc00000(0000) knlGS:000000000000000 0 [ 16.455557] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003 3 [ 16.455961] CR2: 0000000000000030 CR3: 0000000102788004 CR4: 0000000000770ef 0 [ 16.456459] PKRU: 5555555 4 [ 16.456654] Call Trace : [ 16.456832] <TASK > [ 16.456989] ? __die+0x23/0x7 0 [ 16.457215] ? page_fault_oops+0x180/0x4c 0 [ 16.457508] ? __lock_acquire+0x3e6/0x249 0 [ 16.457801] ? exc_page_fault+0x68/0x20 0 [ 16.458080] ? asm_exc_page_fault+0x26/0x3 0 [ 16.458389] ? smc_listen_work+0xc02/0x159 0 [ 16.4586
Засегнати продукти
- Linux Linux: 3b2dec2603d5b06ad3af71c1164ca0b92df3d2a8 преди e3065286959664207c0162178a3b5a90808a1bf9; 3b2dec2603d5b06ad3af71c1164ca0b92df3d2a8 преди 070b4af44c4b6e4c35fb1ca7001a6a88fd2d318f; 3b2dec2603d5b06ad3af71c1164ca0b92df3d2a8 преди 2e765ba0ee0eae35688b443e97108308a716773e; 3b2dec2603d5b06ad3af71c1164ca0b92df3d2a8 преди 85545f1525f9fa9bf44fec77ba011024f15da342; 3b2dec2603d5b06ad3af71c1164ca0b92df3d2a8 преди d9cef55ed49117bd63695446fb84b4b91815c0b4
- Linux Linux: 4.18; преди 4.18; 6.1.191 до 6.1.*; 6.6.103 до 6.6.*; 6.12.44 до 6.12.*; 6.16.4 до 6.16.*; от 6.17 нататък
История
- 5 септември 2025 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2025-38734
- https://nvd.nist.gov/vuln/detail/CVE-2025-38734
- https://git.kernel.org/stable/c/e3065286959664207c0162178a3b5a90808a1bf9
- https://git.kernel.org/stable/c/070b4af44c4b6e4c35fb1ca7001a6a88fd2d318f
- https://git.kernel.org/stable/c/2e765ba0ee0eae35688b443e97108308a716773e
- https://git.kernel.org/stable/c/85545f1525f9fa9bf44fec77ba011024f15da342
- https://git.kernel.org/stable/c/d9cef55ed49117bd63695446fb84b4b91815c0b4