ghsa-7f2r-wrjw-8jr4
Vulnerability from github
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: _bpfget_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 _bpfget_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.
{
"affected": [],
"aliases": [
"CVE-2025-38285"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-07-10T08:15:26Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix WARN() in get_bpf_raw_tp_regs\n\nsyzkaller reported an issue:\n\nWARNING: CPU: 3 PID: 5971 at kernel/trace/bpf_trace.c:1861 get_bpf_raw_tp_regs+0xa4/0x100 kernel/trace/bpf_trace.c:1861\nModules linked in:\nCPU: 3 UID: 0 PID: 5971 Comm: syz-executor205 Not tainted 6.15.0-rc5-syzkaller-00038-g707df3375124 #0 PREEMPT(full)\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014\nRIP: 0010:get_bpf_raw_tp_regs+0xa4/0x100 kernel/trace/bpf_trace.c:1861\nRSP: 0018:ffffc90003636fa8 EFLAGS: 00010293\nRAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffffff81c6bc4c\nRDX: ffff888032efc880 RSI: ffffffff81c6bc83 RDI: 0000000000000005\nRBP: ffff88806a730860 R08: 0000000000000005 R09: 0000000000000003\nR10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000004\nR13: 0000000000000001 R14: ffffc90003637008 R15: 0000000000000900\nFS: 0000000000000000(0000) GS:ffff8880d6cdf000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f7baee09130 CR3: 0000000029f5a000 CR4: 0000000000352ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \u003cTASK\u003e\n ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1934 [inline]\n bpf_get_stack_raw_tp+0x24/0x160 kernel/trace/bpf_trace.c:1931\n bpf_prog_ec3b2eefa702d8d3+0x43/0x47\n bpf_dispatcher_nop_func include/linux/bpf.h:1316 [inline]\n __bpf_prog_run include/linux/filter.h:718 [inline]\n bpf_prog_run include/linux/filter.h:725 [inline]\n __bpf_trace_run kernel/trace/bpf_trace.c:2363 [inline]\n bpf_trace_run3+0x23f/0x5a0 kernel/trace/bpf_trace.c:2405\n __bpf_trace_mmap_lock_acquire_returned+0xfc/0x140 include/trace/events/mmap_lock.h:47\n __traceiter_mmap_lock_acquire_returned+0x79/0xc0 include/trace/events/mmap_lock.h:47\n __do_trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:47 [inline]\n trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:47 [inline]\n __mmap_lock_do_trace_acquire_returned+0x138/0x1f0 mm/mmap_lock.c:35\n __mmap_lock_trace_acquire_returned include/linux/mmap_lock.h:36 [inline]\n mmap_read_trylock include/linux/mmap_lock.h:204 [inline]\n stack_map_get_build_id_offset+0x535/0x6f0 kernel/bpf/stackmap.c:157\n __bpf_get_stack+0x307/0xa10 kernel/bpf/stackmap.c:483\n ____bpf_get_stack kernel/bpf/stackmap.c:499 [inline]\n bpf_get_stack+0x32/0x40 kernel/bpf/stackmap.c:496\n ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1941 [inline]\n bpf_get_stack_raw_tp+0x124/0x160 kernel/trace/bpf_trace.c:1931\n bpf_prog_ec3b2eefa702d8d3+0x43/0x47\n\nTracepoint like trace_mmap_lock_acquire_returned may cause nested call\nas the corner case show above, which will be resolved with more general\nmethod in the future. As a result, WARN_ON_ONCE will be triggered. As\nAlexei suggested, remove the WARN_ON_ONCE first.",
"id": "GHSA-7f2r-wrjw-8jr4",
"modified": "2025-07-10T09:32:29Z",
"published": "2025-07-10T09:32:29Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38285"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/147ea936fc6fa8fe0c93f0df918803a5375ca535"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/18e8cbbae79cb35bdce8a01c889827b9799c762e"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/3880cdbed1c4607e378f58fa924c5d6df900d1d3"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/44ebe361abb322d2afd77930fa767a99f271c4d1"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/6d8f39875a10a194051c3eaefebc7ac06a34aaf3"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/c98cdf6795a36bca163ebb40411fef1687b9eb13"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/e167414beabb1e941fe563a96becc98627d5bdf6"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/ee90be48edb3dac612e0b7f5332482a9e8be2696"
}
],
"schema_version": "1.4.0",
"severity": []
}
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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