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CVE-2023-54244— ACPI: EC: Fix oops when removing custom query handlers

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，该漏洞源于移除自定义查询处理程序时未刷新工作队列，可能导致内核恐慌。

AI Predicted 4.4 Difficulty: Moderate EPSS 0.21% · P11

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux a62e8f1978f49e52f87a711ff6711b323d4b12ff< 130e3eac51912f2c866e7d035992ede25f8feac0 affected
a62e8f1978f49e52f87a711ff6711b323d4b12ff< 0d528a7c421b1f1772fc1d29370b3b5fc0f42b19 affected
a62e8f1978f49e52f87a711ff6711b323d4b12ff< ccae2233e9935a038a35fe8cfd703df905f700e7 affected
a62e8f1978f49e52f87a711ff6711b323d4b12ff< 066b90bca755f0b876e7b027b75d1796861d6db0 affected
a62e8f1978f49e52f87a711ff6711b323d4b12ff< f4a573eed6377d356f835a4b00099d5dacee0da0 affected
a62e8f1978f49e52f87a711ff6711b323d4b12ff< 86a159fd5bdb01ec34b160cfda1a313b616d9302 affected
a62e8f1978f49e52f87a711ff6711b323d4b12ff< fd2c99e81ae0dbdd62a154ef9c77fc01715cc020 affected
a62e8f1978f49e52f87a711ff6711b323d4b12ff< e5b492c6bb900fcf9722e05f4a10924410e170c1 affected
… +12 more rows
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I. Basic Information for CVE-2023-54244

Vulnerability Information
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Vulnerability Title
ACPI: EC: Fix oops when removing custom query handlers
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ACPI: EC: Fix oops when removing custom query handlers When removing custom query handlers, the handler might still be used inside the EC query workqueue, causing a kernel oops if the module holding the callback function was already unloaded. Fix this by flushing the EC query workqueue when removing custom query handlers. Tested on a Acer Travelmate 4002WLMi
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，该漏洞源于移除自定义查询处理程序时未刷新工作队列，可能导致内核恐慌。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux a62e8f1978f49e52f87a711ff6711b323d4b12ff ~ 130e3eac51912f2c866e7d035992ede25f8feac0 -
Linux Linux 2.6.33 -

II. Public POCs for CVE-2023-54244

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III. Intelligence Information for CVE-2023-54244

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Other References for CVE-2023-54244 (8)

Same Patch Batch · Linux · 2025-12-30 · 244 CVEs total

CVE-2023-54184 9.8 CRITICAL scsi: target: iscsit: Free cmds before session free
CVE-2023-54223 9.8 CRITICAL net/mlx5e: xsk: Fix invalid buffer access for legacy rq
CVE-2023-54237 9.8 CRITICAL net/smc: fix potential panic dues to unprotected smc_llc_srv_add_link()
CVE-2023-54257 9.8 CRITICAL net: macb: fix a memory corruption in extended buffer descriptor mode
CVE-2023-54258 9.8 CRITICAL cifs: fix potential oops in cifs_oplock_break
CVE-2023-54269 9.8 CRITICAL SUNRPC: double free xprt_ctxt while still in use
CVE-2023-54280 9.8 CRITICAL cifs: fix potential race when tree connecting ipc
CVE-2023-54292 9.8 CRITICAL RDMA/irdma: Fix data race on CQP request done
CVE-2023-54203 9.1 CRITICAL ksmbd: fix slab-out-of-bounds in init_smb2_rsp_hdr
CVE-2022-50880 8.8 HIGH wifi: ath10k: add peer map clean up for peer delete in ath10k_sta_state()
CVE-2023-54262 8.8 HIGH net/mlx5e: Don't clone flow post action attributes second time
CVE-2023-54214 8.8 HIGH Bluetooth: L2CAP: Fix potential user-after-free
CVE-2023-54162 8.8 HIGH ksmbd: fix possible memory leak in smb2_lock()
CVE-2023-54318 8.8 HIGH net/smc: use smc_lgr_list.lock to protect smc_lgr_list.list iterate in smcr_port_add
CVE-2023-54250 8.2 HIGH ksmbd: avoid out of bounds access in decode_preauth_ctxt()
CVE-2023-54164 8.0 HIGH Bluetooth: ISO: fix iso_conn related locking and validity issues
CVE-2023-54206 7.8 HIGH net/sched: flower: fix filter idr initialization
CVE-2023-54202 7.8 HIGH drm/i915: fix race condition UAF in i915_perf_add_config_ioctl
CVE-2023-54210 7.8 HIGH Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_remove_adv_monitor()
CVE-2023-54243 7.8 HIGH netfilter: ebtables: fix table blob use-after-free

Showing top 20 of 244 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-54244

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