Not yet scoredPublished Jul 10, 2025

CVE-2025-38285bpf: Fix WARN() in get_bpf_raw_tp_regs

Updated under an hour ago (2026-10-19 08:00 UTC)

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It affects Linux and 3 other products. Add what you run to find out whether that includes you.

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In the Linux kernel, the following vulnerability has been resolved: bpf: Fix WARN() in get_bpf_raw_tp_regs syzkaller reported an issue: WARNING: CPU: 3 PID: 5971 at kernel/trace/bpf_trace.c:1861 get_bpf_raw_tp_regs+0xa4/0x100 kernel/trace/bpf_trace.c:1861 Modules linked in: CPU: 3 UID: 0 PID: 5971 Comm: syz-executor205 Not tainted 6.15.0-rc5-syzkaller-00038-g707df3375124 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:get_bpf_raw_tp_regs+0xa4/0x100 kernel/trace/bpf_trace.c:1861 RSP: 0018:ffffc90003636fa8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffffff81c6bc4c RDX: ffff888032efc880 RSI: ffffffff81c6bc83 RDI: 0000000000000005 RBP: ffff88806a730860 R08: 0000000000000005 R09: 0000000000000003 R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000004 R13: 0000000000000001 R14: ffffc90003637008 R15: 0000000000000900 FS: 0000000000000000(0000) GS:ffff8880d6cdf000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7baee09130 CR3: 0000000029f5a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1934 [inline] bpf_get_stack_raw_tp+0x24/0x160 kernel/trace/bpf_trace.c:1931 bpf_prog_ec3b2eefa702d8d3+0x43/0x47 bpf_dispatcher_nop_func include/linux/bpf.h:1316 [inline] __bpf_prog_run include/linux/filter.h:718 [inline] bpf_prog_run include/linux/filter.h:725 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2363 [inline] bpf_trace_run3+0x23f/0x5a0 kernel/trace/bpf_trace.c:2405 __bpf_trace_mmap_lock_acquire_returned+0xfc/0x140 include/trace/events/mmap_lock.h:47 __traceiter_mmap_lock_acquire_returned+0x79/0xc0 include/trace/events/mmap_lock.h:47 __do_trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:47 [inline] trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:47 [inline] __mmap_lock_do_trace_acquire_returned+0x138/0x1f0 mm/mmap_lock.c:35 __mmap_lock_trace_acquire_returned include/linux/mmap_lock.h:36 [inline] mmap_read_trylock include/linux/mmap_lock.h:204 [inline] stack_map_get_build_id_offset+0x535/0x6f0 kernel/bpf/stackmap.c:157 __bpf_get_stack+0x307/0xa10 kernel/bpf/stackmap.c:483 ____bpf_get_stack kernel/bpf/stackmap.c:499 [inline] bpf_get_stack+0x32/0x40 kernel/bpf/stackmap.c:496 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1941 [inline] bpf_get_stack_raw_tp+0x124/0x160 kernel/trace/bpf_trace.c:1931 bpf_prog_ec3b2eefa702d8d3+0x43/0x47 Tracepoint like trace_mmap_lock_acquire_returned may cause nested call as the corner case show above, which will be resolved with more general method in the future. As a result, WARN_ON_ONCE will be triggered. As Alexei suggested, remove the WARN_ON_ONCE first.

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Not yet received
Record last updated: Oct 15, 2026
First seen by InfoSec Signals: Oct 15, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	9594dc3c7e71b9f52bee1d7852eb3d4e3aea9e99 builds before 44ebe361abb322d2afd77930fa767a99f271c4d1; 9594dc3c7e71b9f52bee1d7852eb3d4e3aea9e99 builds before 147ea936fc6fa8fe0c93f0df918803a5375ca535; from 9594dc3c7e71b9f52bee1d7852eb3d4e3aea9e99 before ee90be48edb3dac612e0b7f5332482a9e8be2696; from 9594dc3c7e71b9f52bee1d7852eb3d4e3aea9e99 before e167414beabb1e941fe563a96becc98627d5bdf6; 9594dc3c7e71b9f52bee1d7852eb3d4e3aea9e99 builds before 6d8f39875a10a194051c3eaefebc7ac06a34aaf3; from 9594dc3c7e71b9f52bee1d7852eb3d4e3aea9e99 before c98cdf6795a36bca163ebb40411fef1687b9eb13; 9594dc3c7e71b9f52bee1d7852eb3d4e3aea9e99 builds before 18e8cbbae79cb35bdce8a01c889827b9799c762e; 9594dc3c7e71b9f52bee1d7852eb3d4e3aea9e99 builds before 3880cdbed1c4607e378f58fa924c5d6df900d1d3; and 4 more ranges	CNA record
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.5	CISA ADP
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name)	from V3.1.5	CISA ADP
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.5	CISA ADP

References

https://git.kernel.org/stable/c/44ebe361abb322d2afd77930fa767a99f271c4d1
https://git.kernel.org/stable/c/147ea936fc6fa8fe0c93f0df918803a5375ca535
https://git.kernel.org/stable/c/ee90be48edb3dac612e0b7f5332482a9e8be2696
https://git.kernel.org/stable/c/e167414beabb1e941fe563a96becc98627d5bdf6
https://git.kernel.org/stable/c/6d8f39875a10a194051c3eaefebc7ac06a34aaf3
https://git.kernel.org/stable/c/c98cdf6795a36bca163ebb40411fef1687b9eb13
https://git.kernel.org/stable/c/18e8cbbae79cb35bdce8a01c889827b9799c762e
https://git.kernel.org/stable/c/3880cdbed1c4607e378f58fa924c5d6df900d1d3

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.