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CVE-2023-54018— drm/msm/hdmi: Add missing check for alloc_ordered_workqueue

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，该漏洞源于未检查有序工作队列分配返回值，可能导致空指针取消引用。

AI Predicted 5.5 Difficulty: Easy EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux c6a57a50ad562a2e6fc6ac3218b710caea73a58b< b479485b24da1d572a0ce875537af31b02d2f915 affected
c6a57a50ad562a2e6fc6ac3218b710caea73a58b< 392f7eb3946ab3780b931af723033e19f82c9134 affected
c6a57a50ad562a2e6fc6ac3218b710caea73a58b< fc34608fa275fe6b3b17e171b63b8ca3aa1cbf09 affected
c6a57a50ad562a2e6fc6ac3218b710caea73a58b< 1bab31a0969ca4ac90907a5d3b44af104229eafd affected
c6a57a50ad562a2e6fc6ac3218b710caea73a58b< 9a01ecc312e764ec4527ad49105a3ca799f1860c affected
c6a57a50ad562a2e6fc6ac3218b710caea73a58b< e55f93d674314f2fb69eba0dc24acfdf72805611 affected
c6a57a50ad562a2e6fc6ac3218b710caea73a58b< ae5ca116a0c0ba9fc4123b1f1ec3c4f4d0d01b3f affected
c6a57a50ad562a2e6fc6ac3218b710caea73a58b< afe4cb96153a0d8003e4e4ebd91b5c543e10df84 affected
… +10 more rows
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I. Basic Information for CVE-2023-54018

Vulnerability Information
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Vulnerability Title
drm/msm/hdmi: Add missing check for alloc_ordered_workqueue
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/msm/hdmi: Add missing check for alloc_ordered_workqueue Add check for the return value of alloc_ordered_workqueue as it may return NULL pointer and cause NULL pointer dereference in `hdmi_hdcp.c` and `hdmi_hpd.c`. Patchwork: https://patchwork.freedesktop.org/patch/517211/
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，该漏洞源于未检查有序工作队列分配返回值，可能导致空指针取消引用。
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 c6a57a50ad562a2e6fc6ac3218b710caea73a58b ~ b479485b24da1d572a0ce875537af31b02d2f915 -
Linux Linux 4.3 -

II. Public POCs for CVE-2023-54018

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III. Intelligence Information for CVE-2023-54018

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Other References for CVE-2023-54018 (6)

Same Patch Batch · Linux · 2025-12-24 · 322 CVEs total

CVE-2025-68741 9.8 CRITICAL scsi: qla2xxx: Fix improper freeing of purex item
CVE-2023-53867 9.8 CRITICAL ceph: fix potential use-after-free bug when trimming caps
CVE-2025-68726 9.8 CRITICAL crypto: aead - Fix reqsize handling
CVE-2023-54094 9.8 CRITICAL net: prevent skb corruption on frag list segmentation
CVE-2023-54090 9.8 CRITICAL ixgbe: Fix panic during XDP_TX with > 64 CPUs
CVE-2022-50717 9.8 CRITICAL nvmet-tcp: add bounds check on Transfer Tag
CVE-2023-54076 9.8 CRITICAL smb: client: fix missed ses refcounting
CVE-2025-68359 9.8 CRITICAL btrfs: fix double free of qgroup record after failure to add delayed ref head
CVE-2025-68745 9.8 CRITICAL scsi: qla2xxx: Clear cmds after chip reset
CVE-2023-53996 9.3 CRITICAL x86/sev: Make enc_dec_hypercall() accept a size instead of npages
CVE-2023-54060 8.8 HIGH iommufd: Set end correctly when doing batch carry
CVE-2025-68736 8.8 HIGH landlock: Fix handling of disconnected directories
CVE-2023-54092 8.8 HIGH KVM: s390: pv: fix index value of replaced ASCE
CVE-2023-54071 8.8 HIGH wifi: rtw88: use work to update rate to avoid RCU warning
CVE-2023-54043 8.8 HIGH iommufd: Do not add the same hwpt to the ioas->hwpt_list twice
CVE-2023-54040 8.8 HIGH ice: fix wrong fallback logic for FDIR
CVE-2023-54120 8.8 HIGH Bluetooth: Fix race condition in hidp_session_thread
CVE-2022-50732 8.8 HIGH staging: rtl8192u: Fix use after free in ieee80211_rx()
CVE-2023-53986 8.6 HIGH mips: bmips: BCM6358: disable RAC flush for TP1
CVE-2022-50746 8.4 HIGH erofs: validate the extent length for uncompressed pclusters

Showing top 20 of 322 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-54018

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