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---
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-64k-modules-coreUpgrade kernel-rt-64k-debug-modules-extraUpgrade python3-perfUpgrade libperfUpgrade kernel-rt-64k-debug-modules-coreUpgrade kernel-rt-64k-debugUpgrade kernel-debugUpgrade perfUpgrade kernel-64k-debug-develUpgrade kernel-rt-64k-debug-develUpgrade kernel-64k-modulesUpgrade kernel-rt-64k-debug-coreUpgrade kernel-rt-coreUpgrade kernel-develUpgrade kernel-rt-modules-extraUpgrade kernel-64kUpgrade kernel-debug-develUpgrade kernel-64k-debug-coreUpgrade kernel-rt-develUpgrade kernel-devel-matchedUpgrade kernel-modules-coreUpgrade rtlaUpgrade kernel-headersUpgrade kernel-tools-libs-develUpgrade kernel-debug-uki-virtUpgrade kernel-rt-64k-modules-extraUpgrade kernel-cross-headersUpgrade kernel-rt-64k-modulesUpgrade kernel-64k-debug-modulesUpgrade kernel-rt-debug-coreUpgrade kernel-zfcpdump-develUpgrade kernel-rt-kvmUpgrade kernel-rt-debugUpgrade kernel-rt-debug-kvmUpgrade kernelUpgrade kernel-abi-stablelistsUpgrade kernel-rt-debug-modulesUpgrade kernel-rt-debug-develUpgrade kernel-coreUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-debug-modules-extraUpgrade kernel-64k-modules-extraUpgrade kernel-debug-modules-coreUpgrade kernel-64k-devel-matchedUpgrade kernel-modulesUpgrade kernel-64k-debug-modules-extraUpgrade kernel-rt-modules-coreUpgrade kernel-modules-extraUpgrade kernel-64k-debug-modules-coreUpgrade kernel-tools-libsUpgrade kernel-zfcpdump-modulesUpgrade kernel-uki-virtUpgrade kernel-debug-coreUpgrade kernel-64k-debugUpgrade kernel-64k-coreUpgrade kernel-64k-debug-devel-matchedUpgrade kernel-debug-devel-matchedUpgrade rvUpgrade kernel-zfcpdump-coreUpgrade kernel-rtUpgrade kernel-rt-64k-modules-coreUpgrade kernel-rt-64k-coreUpgrade kernel-rt-64kUpgrade kernel-rt-64k-debug-modulesUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-rt-64k-develUpgrade kernel-rt-modulesUpgrade kernel-zfcpdumpUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-rt-debug-modules-coreUpgrade kernel-docUpgrade kernel-toolsUpgrade kernel-debug-modulesUpgrade kernel-uki-virt-addonsUpgrade kernel-64k-develUpgrade kernel-rt-debug-modules-extra | Aug 4, 2025 | Jul 28, 2025 |
| Amazon_linux_2023 | — | Upgrade kernel-develUpgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel6.12-debuginfoUpgrade kernel-tools-debuginfoUpgrade python3-perf6.12Upgrade kernel-libbpf-debuginfoUpgrade python3-perf6.12-debuginfoUpgrade bpftoolUpgrade kernel-libbpfUpgrade kernel-tools-develUpgrade perf6.12-debuginfoUpgrade kernel6.12-modules-extraUpgrade kernel6.12Upgrade bpftool-debuginfoUpgrade kernel-toolsUpgrade kernel-modules-extra-commonUpgrade kernel-headersUpgrade kernel-libbpf-develUpgrade kernel-libbpf-staticUpgrade perf6.12Upgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel-livepatch-6.12.23-29.97 | Jun 11, 2025 | Apr 16, 2025 |
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Oracle_linux | — | Upgrade kernel | Jul 31, 2025 | Apr 16, 2025 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rtNo solution exists | Jul 9, 2025 | Apr 16, 2025 |
| Rocky_linux | — | Upgrade kernel-modules-extraUpgrade kernel-rt-debugUpgrade kernel-rt-debug-develUpgrade kernel-rt-debug-debuginfoUpgrade kernel-develUpgrade kernel-cross-headersUpgrade kernel-modules-coreUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-rt-modules-extraUpgrade kernel-tools-debuginfoUpgrade kernel-coreUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-rt-debug-kvmUpgrade kernel-rt-coreUpgrade kernel-debuginfoUpgrade kernel-debug-coreUpgrade kernel-headersUpgrade rtlaUpgrade python3-perf-debuginfoUpgrade kernel-zfcpdump-develUpgrade kernel-rt-debug-coreUpgrade kernel-debug-uki-virtUpgrade kernel-debug-develUpgrade python3-perfUpgrade kernel-zfcpdump-debuginfoUpgrade kernelUpgrade kernel-debugUpgrade libperfUpgrade kernel-rt-debuginfoUpgrade kernel-rt-modules-coreUpgrade kernel-rtUpgrade kernel-zfcpdumpUpgrade kernel-toolsUpgrade kernel-uki-virtUpgrade perf-debuginfoUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-devel-matchedUpgrade kernel-debug-debuginfoUpgrade kernel-debug-modules-extraUpgrade kernel-rt-kvmUpgrade kernel-zfcpdump-coreUpgrade kernel-rt-modulesUpgrade kernel-zfcpdump-modulesUpgrade perfUpgrade kernel-rt-debug-modules-extraUpgrade kernel-debuginfo-common-s390xUpgrade kernel-debug-modules-coreUpgrade kernel-debug-modulesUpgrade kernel-tools-libsUpgrade kernel-rt-develUpgrade kernel-modulesUpgrade kernel-rt-debug-modulesUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-uki-virt-addonsUpgrade libperf-debuginfoUpgrade kernel-rt-debug-modules-coreUpgrade rvUpgrade kernel-debug-devel-matchedUpgrade kernel-tools-libs-devel | Feb 5, 2026 | Oct 4, 2025 |
| Suse | — | Upgrade kernel-64kb-extraUpgrade kernel-defaultUpgrade kernel-symsUpgrade kernel-kvmsmall-develUpgrade kernel-develUpgrade reiserfs-kmp-defaultUpgrade kernel-64kb-develUpgrade kernel-zfcpdumpUpgrade kernel-default-develUpgrade kernel-default-baseUpgrade kernel-default-vdsoUpgrade kernel-64kbUpgrade kernel-docsUpgrade kernel-source-azureUpgrade kernel-default-extraUpgrade kernel-azure-extraUpgrade kernel-macrosUpgrade kernel-azure-vdsoUpgrade kernel-kvmsmall-vdsoUpgrade kernel-source-vanillaUpgrade kernel-docs-htmlUpgrade kernel-default-livepatchUpgrade kernel-sourceUpgrade kernel-devel-azureUpgrade kernel-azure-develUpgrade kernel-obs-buildUpgrade kernel-kvmsmallUpgrade kernel-syms-azureUpgrade kernel-azureUpgrade kernel-obs-qa | Dec 5, 2025 | Jul 29, 2025 |
| Ubuntu | — | Upgrade linux-image-azure-fdeUpgrade linux-image-6.14.0-1007-oracle-64kUpgrade linux-image-6.14.0-1008-gcp-64kUpgrade linux-image-6.14.0-22-genericUpgrade linux-image-6.14.0-1007-raspiUpgrade linux-image-realtimeUpgrade linux-image-awsUpgrade linux-image-6.14.0-1007-awsUpgrade linux-image-oracleUpgrade linux-image-6.14.0-1007-oracleUpgrade linux-image-6.14.0-1004-realtimeUpgrade linux-image-generic-64kUpgrade linux-image-6.14.0-1007-azure-fdeUpgrade linux-image-6.14.0-22-generic-64kUpgrade linux-image-genericUpgrade linux-image-oracle-64kUpgrade linux-image-6.14.0-1007-azureUpgrade linux-image-gcp-64kUpgrade linux-image-aws-64kUpgrade linux-image-6.14.0-1008-gcpUpgrade linux-image-gcpUpgrade linux-image-raspiUpgrade linux-image-6.14.0-1007-aws-64kUpgrade linux-image-azure | Jun 26, 2025 | Apr 16, 2025 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub