CVE-2025-38345— ACPICA: fix acpi operand cache leak in dswstate.c
Quick assessment
Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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ACPICA在操作数缓存中存在内存泄漏。
Affected Version Matrix 18
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 773069d48030e670cf2032a13ddf16a2e0034df3< 4fa430a8bca708c7776f6b9d001257f48b19a5b7 |
affected |
773069d48030e670cf2032a13ddf16a2e0034df3< 1c0d9115a001979cb446ba5e8331dd1d29a10bbf |
affected | ||
773069d48030e670cf2032a13ddf16a2e0034df3< 5a68893b594ee6ce0efce5f74c07e64e9dd0c2c4 |
affected | ||
773069d48030e670cf2032a13ddf16a2e0034df3< 64c4bcf0308dd1d752ef31d560040b8725e29984 |
affected | ||
773069d48030e670cf2032a13ddf16a2e0034df3< 755a8006b76792922ff7b1c9674d8897a476b5d7 |
affected | ||
773069d48030e670cf2032a13ddf16a2e0034df3< 76d37168155880f2b04a0aad92ceb0f9d799950e |
affected | ||
773069d48030e670cf2032a13ddf16a2e0034df3< e0783910ca4368b01466bc8dcdcc13c3e0b7db53 |
affected | ||
773069d48030e670cf2032a13ddf16a2e0034df3< 156fd20a41e776bbf334bd5e45c4f78dfc90ce1c |
affected | ||
| … +10 more rows | |||
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2025-38345
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
ACPICA: fix acpi operand cache leak in dswstate.c
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
ACPICA: fix acpi operand cache leak in dswstate.c
ACPICA commit 987a3b5cf7175916e2a4b6ea5b8e70f830dfe732
I found an ACPI cache leak in ACPI early termination and boot continuing case.
When early termination occurs due to malicious ACPI table, Linux kernel
terminates ACPI function and continues to boot process. While kernel terminates
ACPI function, kmem_cache_destroy() reports Acpi-Operand cache leak.
Boot log of ACPI operand cache leak is as follows:
>[ 0.585957] ACPI: Added _OSI(Module Device)
>[ 0.587218] ACPI: Added _OSI(Processor Device)
>[ 0.588530] ACPI: Added _OSI(3.0 _SCP Extensions)
>[ 0.589790] ACPI: Added _OSI(Processor Aggregator Device)
>[ 0.591534] ACPI Error: Illegal I/O port address/length above 64K: C806E00000004002/0x2 (20170303/hwvalid-155)
>[ 0.594351] ACPI Exception: AE_LIMIT, Unable to initialize fixed events (20170303/evevent-88)
>[ 0.597858] ACPI: Unable to start the ACPI Interpreter
>[ 0.599162] ACPI Error: Could not remove SCI handler (20170303/evmisc-281)
>[ 0.601836] kmem_cache_destroy Acpi-Operand: Slab cache still has objects
>[ 0.603556] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.12.0-rc5 #26
>[ 0.605159] Hardware name: innotek gmb_h virtual_box/virtual_box, BIOS virtual_box 12/01/2006
>[ 0.609177] Call Trace:
>[ 0.610063] ? dump_stack+0x5c/0x81
>[ 0.611118] ? kmem_cache_destroy+0x1aa/0x1c0
>[ 0.612632] ? acpi_sleep_proc_init+0x27/0x27
>[ 0.613906] ? acpi_os_delete_cache+0xa/0x10
>[ 0.617986] ? acpi_ut_delete_caches+0x3f/0x7b
>[ 0.619293] ? acpi_terminate+0xa/0x14
>[ 0.620394] ? acpi_init+0x2af/0x34f
>[ 0.621616] ? __class_create+0x4c/0x80
>[ 0.623412] ? video_setup+0x7f/0x7f
>[ 0.624585] ? acpi_sleep_proc_init+0x27/0x27
>[ 0.625861] ? do_one_initcall+0x4e/0x1a0
>[ 0.627513] ? kernel_init_freeable+0x19e/0x21f
>[ 0.628972] ? rest_init+0x80/0x80
>[ 0.630043] ? kernel_init+0xa/0x100
>[ 0.631084] ? ret_from_fork+0x25/0x30
>[ 0.633343] vgaarb: loaded
>[ 0.635036] EDAC MC: Ver: 3.0.0
>[ 0.638601] PCI: Probing PCI hardware
>[ 0.639833] PCI host bridge to bus 0000:00
>[ 0.641031] pci_bus 0000:00: root bus resource [io 0x0000-0xffff]
> ... Continue to boot and log is omitted ...
I analyzed this memory leak in detail and found acpi_ds_obj_stack_pop_and_
delete() function miscalculated the top of the stack. acpi_ds_obj_stack_push()
function uses walk_state->operand_index for start position of the top, but
acpi_ds_obj_stack_pop_and_delete() function considers index 0 for it.
Therefore, this causes acpi operand memory leak.
This cache leak causes a security threat because an old kernel (<= 4.9) shows
memory locations of kernel functions in stack dump. Some malicious users
could use this information to neutralize kernel ASLR.
I made a patch to fix ACPI operand cache leak.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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ACPICA在操作数缓存中存在内存泄漏。
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-2025-38345
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2025-38345
请登录查看更多情报信息。
Patches & Fixes for CVE-2025-38345 (1)
Same Patch Batch · Linux · 2025-07-10 · 84 CVEs total
| CVE-2025-38325 | 9.8 CRITICAL | ksmbd: add free_transport ops in ksmbd connection |
| CVE-2025-38283 | 8.8 HIGH | hisi_acc_vfio_pci: bugfix live migration function without VF device driver |
| CVE-2025-38290 | 8.8 HIGH | wifi: ath12k: fix node corruption in ar->arvifs list |
| CVE-2025-38291 | 8.8 HIGH | wifi: ath12k: Prevent sending WMI commands to firmware during firmware crash |
| CVE-2025-38293 | 8.8 HIGH | wifi: ath11k: fix node corruption in ar->arvifs list |
| CVE-2025-38292 | 8.8 HIGH | wifi: ath12k: fix invalid access to memory |
| CVE-2025-38343 | 8.3 HIGH | wifi: mt76: mt7996: drop fragments with multicast or broadcast RA |
| CVE-2025-38321 | 7.8 HIGH | smb: Log an error when close_all_cached_dirs fails |
| CVE-2025-38303 | 7.8 HIGH | Bluetooth: eir: Fix possible crashes on eir_create_adv_data |
| CVE-2025-38333 | 7.8 HIGH | f2fs: fix to bail out in get_new_segment() |
| CVE-2025-38317 | 7.8 HIGH | wifi: ath12k: Fix buffer overflow in debugfs |
| CVE-2025-38306 | 7.8 HIGH | fs/fhandle.c: fix a race in call of has_locked_children() |
| CVE-2025-38278 | 7.8 HIGH | octeontx2-pf: QOS: Refactor TC_HTB_LEAF_DEL_LAST callback |
| CVE-2025-38270 | 7.8 HIGH | net: drv: netdevsim: don't napi_complete() from netpoll |
| CVE-2025-38273 | 7.8 HIGH | net: tipc: fix refcount warning in tipc_aead_encrypt |
| CVE-2025-38341 | 7.8 HIGH | eth: fbnic: avoid double free when failing to DMA-map FW msg |
| CVE-2025-38346 | 7.8 HIGH | ftrace: Fix UAF when lookup kallsym after ftrace disabled |
| CVE-2025-38276 | 7.8 HIGH | fs/dax: Fix "don't skip locked entries when scanning entries" |
| CVE-2025-38339 | 7.8 HIGH | powerpc/bpf: fix JIT code size calculation of bpf trampoline |
| CVE-2025-38287 | 7.5 HIGH | IB/cm: Drop lockdep assert and WARN when freeing old msg |
Showing top 20 of 84 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
-
CVE-2023-7356
Bluetooth: ISO: Copy BASE if service data matches EIR_BAA_SE -
CVE-2026-98869
bpf: Infer zext_dst based on static register liveness analys -
CVE-2026-98868
dm-pcache: reject a kset that overruns its segment -
CVE-2026-98867
dm-pcache: bound the logical key offset from persistent memo -
CVE-2026-98866
sched/cache: Introduce task_struct->sched_cache_grp to fix U
Same vendor: Linux
-
CVE-2023-7356
Bluetooth: ISO: Copy BASE if service data matches EIR_BAA_SE -
CVE-2026-98869
bpf: Infer zext_dst based on static register liveness analys -
CVE-2026-98868
dm-pcache: reject a kset that overruns its segment -
CVE-2026-98867
dm-pcache: bound the logical key offset from persistent memo -
CVE-2026-98866
sched/cache: Introduce task_struct->sched_cache_grp to fix U
V. Comments for CVE-2025-38345
No comments yet