In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix use-after-free when rename device name Syzbot reported a slab-use-after-free with the following call trace: ================================================================== BUG: KASAN: slab-use-after-free in nla_put+0xd3/0x150 lib/nlattr.c:1099 Read of size 5 at addr ffff888140ea1c60 by task syz.0.988/10025 CPU: 0 UID: 0 PID: 10025 Comm: syz.0.988 Not tainted 6.14.0-rc4-syzkaller-00859-gf77f12010f67 #0 Hardware name: Google Compute Engine, BIOS Google 02/12/2025 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:408 [inline] print_report+0x16e/0x5b0 mm/kasan/report.c:521 kasan_report+0x143/0x180 mm/kasan/report.c:634 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189 __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105 nla_put+0xd3/0x150 lib/nlattr.c:1099 nla_put_string include/net/netlink.h:1621 [inline] fill_nldev_handle+0x16e/0x200 drivers/infiniband/core/nldev.c:265 rdma_nl_notify_event+0x561/0xef0 drivers/infiniband/core/nldev.c:2857 ib_device_notify_register+0x22/0x230 drivers/infiniband/core/device.c:1344 ib_register_device+0x1292/0x1460 drivers/infiniband/core/device.c:1460 rxe_register_device+0x233/0x350 drivers/infiniband/sw/rxe/rxe_verbs.c:1540 rxe_net_add+0x74/0xf0 drivers/infiniband/sw/rxe/rxe_net.c:550 rxe_newlink+0xde/0x1a0 drivers/infiniband/sw/rxe/rxe.c:212 nldev_newlink+0x5ea/0x680 drivers/infiniband/core/nldev.c:1795 rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline] rdma_nl_rcv+0x6dd/0x9e0 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1339 netlink_sendmsg+0x8de/0xcb0 net/netlink/af_netlink.c:1883 sock_sendmsg_nosec net/socket.c:709 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:724 ____sys_sendmsg+0x53a/0x860 net/socket.c:2564 ___sys_sendmsg net/socket.c:2618 [inline] __sys_sendmsg+0x269/0x350 net/socket.c:2650 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f42d1b8d169 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 ... RSP: 002b:00007f42d2960038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f42d1da6320 RCX: 00007f42d1b8d169 RDX: 0000000000000000 RSI: 00004000000002c0 RDI: 000000000000000c RBP: 00007f42d1c0e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f42d1da6320 R15: 00007ffe399344a8 </TASK> Allocated by task 10025: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4294 [inline] __kmalloc_node_track_caller_noprof+0x28b/0x4c0 mm/slub.c:4313 __kmemdup_nul mm/util.c:61 [inline] kstrdup+0x42/0x100 mm/util.c:81 kobject_set_name_vargs+0x61/0x120 lib/kobject.c:274 dev_set_name+0xd5/0x120 drivers/base/core.c:3468 assign_name drivers/infiniband/core/device.c:1202 [inline] ib_register_device+0x178/0x1460 drivers/infiniband/core/device.c:1384 rxe_register_device+0x233/0x350 drivers/infiniband/sw/rxe/rxe_verbs.c:1540 rxe_net_add+0x74/0xf0 drivers/infiniband/sw/rxe/rxe_net.c:550 rxe_newlink+0xde/0x1a0 drivers/infiniband/sw/rxe/rxe.c:212 nldev_newlink+0x5ea/0x680 drivers/infiniband/core/nldev.c:1795 rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline] rdma_nl_rcv+0x6dd/0x9e0 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1339 netlink_sendmsg+0x8de/0xcb0 net ---truncated---
総合評価: CVE-2025-22085 は低リスク（33.4/100）。CVSS 深刻度は高。悪用される可能性が高い（EPSS 0.16%、6 パーセンタイル） 推奨対応: 悪用情報と EPSS の推移を監視し、必要に応じて優先度を見直してください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置（高いほど相対的に深刻）を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ（新 − 旧） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.03% | 0.16% | +0.13% |
| 2 | 2026-05-27 | 0.15% | 0.03% | -0.12% |
| 3 | 2026-05-25 | — | 0.15% | — |
EPSS の全履歴 （全 5 件）
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2025-22085 unimportant priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2025-22085 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2025-22085 |
suse
|
medium | CVE-2025-22085 severity moderate: SUSE including 131 source package names (15.7.20.5.1:kernel-default-6.4.0-150700.53.3.1, cluster-md-kmp-default, …), 445 product×package rows across 96 product lines (Container suse/hpc/warewulf4-x86_64/sle-hpc-node, Image SLES15-SP7-Azure-3P, … (96 product lines)): Known Not Affected 239, Fixed 206. | https://www.suse.com/security/cve/CVE-2025-22085/ |
ubuntu
|
medium | CVE-2025-22085 medium priority: Ubuntu including 158 source packages (linux, linux-allwinner-5.19, …), 1551 status rows across 10 suites (bionic, focal, jammy, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 1145, not-affected 157, ignored 147, released 100, needs-triage 2. | https://ubuntu.com/security/CVE-2025-22085 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| linux | linux_kernel | >= 6.12, < 6.12.23 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 6.13, < 6.13.11 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 6.14, < 6.14.2 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |