cbcvebase.
CVE-2025-38052
published 2025-06-18

CVE-2025-38052: In the Linux kernel, the following vulnerability has been resolved: net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done Syzbot reported a…

high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
In the Linux kernel, the following vulnerability has been resolved: net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done Syzbot reported a slab-use-after-free with the following call trace: BUG: KASAN: slab-use-after-free in tipc_aead_encrypt_done+0x4bd/0x510 net/tipc/crypto.c:840 Read of size 8 at addr ffff88807a733000 by task kworker/1:0/25 Call Trace: kasan_report+0xd9/0x110 mm/kasan/report.c:601 tipc_aead_encrypt_done+0x4bd/0x510 net/tipc/crypto.c:840 crypto_request_complete include/crypto/algapi.h:266 aead_request_complete include/crypto/internal/aead.h:85 cryptd_aead_crypt+0x3b8/0x750 crypto/cryptd.c:772 crypto_request_complete include/crypto/algapi.h:266 cryptd_queue_worker+0x131/0x200 crypto/cryptd.c:181 process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231 Allocated by task 8355: kzalloc_noprof include/linux/slab.h:778 tipc_crypto_start+0xcc/0x9e0 net/tipc/crypto.c:1466 tipc_init_net+0x2dd/0x430 net/tipc/core.c:72 ops_init+0xb9/0x650 net/core/net_namespace.c:139 setup_net+0x435/0xb40 net/core/net_namespace.c:343 copy_net_ns+0x2f0/0x670 net/core/net_namespace.c:508 create_new_namespaces+0x3ea/0xb10 kernel/nsproxy.c:110 unshare_nsproxy_namespaces+0xc0/0x1f0 kernel/nsproxy.c:228 ksys_unshare+0x419/0x970 kernel/fork.c:3323 __do_sys_unshare kernel/fork.c:3394 Freed by task 63: kfree+0x12a/0x3b0 mm/slub.c:4557 tipc_crypto_stop+0x23c/0x500 net/tipc/crypto.c:1539 tipc_exit_net+0x8c/0x110 net/tipc/core.c:119 ops_exit_list+0xb0/0x180 net/core/net_namespace.c:173 cleanup_net+0x5b7/0xbf0 net/core/net_namespace.c:640 process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231 After freed the tipc_crypto tx by delete namespace, tipc_aead_encrypt_done may still visit it in cryptd_queue_worker workqueue. I reproduce this issue by: ip netns add ns1 ip link add veth1 type veth peer name veth2 ip link set veth1 netns ns1 ip netns exec ns1 tipc bearer enable media eth dev veth1 ip netns exec ns1 tipc node set key this_is_a_master_key master ip netns exec ns1 tipc

Affected

35 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>= fc1b6d6de2208774efd2a20bf0daddb02d18b1e0 < d42ed4de6aba232d946d20653a70f79158a6535bd42ed4de6aba232d946d20653a70f79158a6535b
linuxlinux>= fc1b6d6de2208774efd2a20bf0daddb02d18b1e0 < f5c2c4eaaa5a8e7e0685ec031d480e588e263e59f5c2c4eaaa5a8e7e0685ec031d480e588e263e59
linuxlinux>= fc1b6d6de2208774efd2a20bf0daddb02d18b1e0 < b8fcae6d2e93c54cacb8f579a77d827c1c643eb5b8fcae6d2e93c54cacb8f579a77d827c1c643eb5
linuxlinux>= fc1b6d6de2208774efd2a20bf0daddb02d18b1e0 < b19fc1d0be3c3397e5968fe2627f22e7f84673b1b19fc1d0be3c3397e5968fe2627f22e7f84673b1
linuxlinux>= fc1b6d6de2208774efd2a20bf0daddb02d18b1e0 < 689a205cd968a1572ab561b0c4c2d50a10e9d3b0689a205cd968a1572ab561b0c4c2d50a10e9d3b0
linuxlinux>= fc1b6d6de2208774efd2a20bf0daddb02d18b1e0 < 4a0fddc2c0d5c28aec8c262ad4603be0bef1938c4a0fddc2c0d5c28aec8c262ad4603be0bef1938c
linuxlinux>= fc1b6d6de2208774efd2a20bf0daddb02d18b1e0 < e279024617134c94fd3e37470156534d5f2b3472e279024617134c94fd3e37470156534d5f2b3472
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>= 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
linuxlinux_kernel>= 6.13 < 6.14.96.14.9
linuxlinux_kernel>= 6.2 < 6.6.936.6.93
linuxlinux_kernel>= 6.7 < 6.12.316.12.31
msrcazl3_kernel_6.6.92.2-2_on_azure_linux_3.0

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
osv7.8HIGH
CVE-2025-38052 — Use After Free in Linux | cvebase