CVE-2025-37928— dm-bufio: don't schedule in atomic context
Public Exploits 1
ExploitDB · 1 EDB-52329 [local]
Affected Version Matrix 12
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 7cd326747f46ffe1c7bff5682e97dfbcb98990ec< a99f5bf4f7197009859dbce14c12f8e2ce5a5a69 | affected |
7cd326747f46ffe1c7bff5682e97dfbcb98990ec< c8c83052283bcf2fdd467a33d1d2bd5ba36e935a | affected | ||
7cd326747f46ffe1c7bff5682e97dfbcb98990ec< f45108257280e0a1cc951ce254853721b40c0812 | affected | ||
7cd326747f46ffe1c7bff5682e97dfbcb98990ec< 69a37b3ba85088fc6b903b8e1db7f0a1d4d0b52d | affected | ||
7cd326747f46ffe1c7bff5682e97dfbcb98990ec< a3d8f0a7f5e8b193db509c7191fefeed3533fc44 | affected | ||
4.9 | affected | ||
< 4.9 | unaffected | ||
6.1.138≤ 6.1.* | unaffected | ||
| … +4 more rows | |||
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I. Basic Information for CVE-2025-37928
Vulnerability Information
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Vulnerability Title
dm-bufio: don't schedule in atomic context
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: dm-bufio: don't schedule in atomic context A BUG was reported as below when CONFIG_DEBUG_ATOMIC_SLEEP and try_verify_in_tasklet are enabled. [ 129.444685][ T934] BUG: sleeping function called from invalid context at drivers/md/dm-bufio.c:2421 [ 129.444723][ T934] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 934, name: kworker/1:4 [ 129.444740][ T934] preempt_count: 201, expected: 0 [ 129.444756][ T934] RCU nest depth: 0, expected: 0 [ 129.444781][ T934] Preemption disabled at: [ 129.444789][ T934] [<ffffffd816231900>] shrink_work+0x21c/0x248 [ 129.445167][ T934] kernel BUG at kernel/sched/walt/walt_debug.c:16! [ 129.445183][ T934] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP [ 129.445204][ T934] Skip md ftrace buffer dump for: 0x1609e0 [ 129.447348][ T934] CPU: 1 PID: 934 Comm: kworker/1:4 Tainted: G W OE 6.6.56-android15-8-o-g6f82312b30b9-debug #1 1400000003000000474e5500b3187743670464e8 [ 129.447362][ T934] Hardware name: Qualcomm Technologies, Inc. Parrot QRD, Alpha-M (DT) [ 129.447373][ T934] Workqueue: dm_bufio_cache shrink_work [ 129.447394][ T934] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 129.447406][ T934] pc : android_rvh_schedule_bug+0x0/0x8 [sched_walt_debug] [ 129.447435][ T934] lr : __traceiter_android_rvh_schedule_bug+0x44/0x6c [ 129.447451][ T934] sp : ffffffc0843dbc90 [ 129.447459][ T934] x29: ffffffc0843dbc90 x28: ffffffffffffffff x27: 0000000000000c8b [ 129.447479][ T934] x26: 0000000000000040 x25: ffffff804b3d6260 x24: ffffffd816232b68 [ 129.447497][ T934] x23: ffffff805171c5b4 x22: 0000000000000000 x21: ffffffd816231900 [ 129.447517][ T934] x20: ffffff80306ba898 x19: 0000000000000000 x18: ffffffc084159030 [ 129.447535][ T934] x17: 00000000d2b5dd1f x16: 00000000d2b5dd1f x15: ffffffd816720358 [ 129.447554][ T934] x14: 0000000000000004 x13: ffffff89ef978000 x12: 0000000000000003 [ 129.447572][ T934] x11: ffffffd817a823c4 x10: 0000000000000202 x9 : 7e779c5735de9400 [ 129.447591][ T934] x8 : ffffffd81560d004 x7 : 205b5d3938373434 x6 : ffffffd8167397c8 [ 129.447610][ T934] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffffffc0843db9e0 [ 129.447629][ T934] x2 : 0000000000002f15 x1 : 0000000000000000 x0 : 0000000000000000 [ 129.447647][ T934] Call trace: [ 129.447655][ T934] android_rvh_schedule_bug+0x0/0x8 [sched_walt_debug 1400000003000000474e550080cce8a8a78606b6] [ 129.447681][ T934] __might_resched+0x190/0x1a8 [ 129.447694][ T934] shrink_work+0x180/0x248 [ 129.447706][ T934] process_one_work+0x260/0x624 [ 129.447718][ T934] worker_thread+0x28c/0x454 [ 129.447729][ T934] kthread+0x118/0x158 [ 129.447742][ T934] ret_from_fork+0x10/0x20 [ 129.447761][ T934] Code: ???????? ???????? ???????? d2b5dd1f (d4210000) [ 129.447772][ T934] ---[ end trace 0000000000000000 ]--- dm_bufio_lock will call spin_lock_bh when try_verify_in_tasklet is enabled, and __scan will be called in atomic context.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于dm-bufio在原子上下文中调度。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-37928
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Linux · 2025-05-20 · 95 CVEs total
| CVE-2025-37924 | 9.8 CRITICAL | ksmbd: fix use-after-free in kerberos authentication |
| CVE-2025-37958 | mm/huge_memory: fix dereferencing invalid pmd migration entry | |
| CVE-2025-37954 | smb: client: Avoid race in open_cached_dir with lease breaks | |
| CVE-2025-37953 | sch_htb: make htb_deactivate() idempotent | |
| CVE-2025-37949 | xenbus: Use kref to track req lifetime | |
| CVE-2025-37948 | arm64: bpf: Add BHB mitigation to the epilogue for cBPF programs | |
| CVE-2025-37947 | ksmbd: prevent out-of-bounds stream writes by validating *pos | |
| CVE-2025-37946 | s390/pci: Fix duplicate pci_dev_put() in disable_slot() when PF has child VFs | |
| CVE-2025-37945 | net: phy: allow MDIO bus PM ops to start/stop state machine for phylink-controlled PHY | |
| CVE-2025-37950 | ocfs2: fix panic in failed foilio allocation | |
| CVE-2025-37957 | KVM: SVM: Forcibly leave SMM mode on SHUTDOWN interception | |
| CVE-2025-37956 | ksmbd: prevent rename with empty string | |
| CVE-2025-37960 | memblock: Accept allocated memory before use in memblock_double_array() | |
| CVE-2025-37959 | bpf: Scrub packet on bpf_redirect_peer | |
| CVE-2025-37961 | ipvs: fix uninit-value for saddr in do_output_route4 | |
| CVE-2025-37963 | arm64: bpf: Only mitigate cBPF programs loaded by unprivileged users | |
| CVE-2025-37962 | ksmbd: fix memory leak in parse_lease_state() | |
| CVE-2025-37964 | x86/mm: Eliminate window where TLB flushes may be inadvertently skipped | |
| CVE-2025-37965 | drm/amd/display: Fix invalid context error in dml helper | |
| CVE-2025-37967 | usb: typec: ucsi: displayport: Fix deadlock |
Showing top 20 of 95 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-46242
eventpoll: fix ep_remove struct eventpoll / struct file UAF - CVE-2026-46241
spi: mpc52xx: fix use-after-free on registration failure - CVE-2026-46239
media: i2c: ov5647: Fix runtime PM refcount leak in s_ctrl - CVE-2026-46240
media: iris: Fix use-after-free in iris_release_internal_buf - CVE-2026-46238
batman-adv: stop caching unowned originator pointers in BAT
Same vendor: Linux
- CVE-2026-46242
eventpoll: fix ep_remove struct eventpoll / struct file UAF - CVE-2026-46241
spi: mpc52xx: fix use-after-free on registration failure - CVE-2026-46239
media: i2c: ov5647: Fix runtime PM refcount leak in s_ctrl - CVE-2026-46240
media: iris: Fix use-after-free in iris_release_internal_buf - CVE-2026-46238
batman-adv: stop caching unowned originator pointers in BAT
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