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CVE-2023-53797— HID: wacom: Use ktime_t rather than int when dealing with timestamps

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，该漏洞源于使用int类型处理时间戳问题。

CVSS 7.1 · High EPSS 0.30% · P21

Possible ATT&CK Techniques 1 AI

T1564 · Hide Artifacts

Affected Version Matrix 23

VendorProduct Version RangeStatus
Linux Linux f9e27d4bdb1fe257c1453d02560e3adc3e5b6023< 99036f1aed7e82773904f5d91a9897bb3e507fd9 affected
4502ebbdc0e21e44a8a706428e420ae9c1bb9bba< 9598a647ecc8f300b0540abf9d3b3439859d163b affected
5047a228d4c8e2b5d1b856f21a00ecf717945a9c< 67ce7724637c6adb66f788677cb50b82615de0ac affected
fb98336e23c11e9c8c7dd5425ec71adbbef7f773< d89750b19681581796dfbe3689bbb5d439b99b24 affected
694d3e4387bfa69925e075053894385351106e64< bdeaa883b765709f231f47f9d6cc76c837a15396 affected
17d793f3ed53080dab6bbeabfc82de890c901001< d0198363f9108e4adb2511e607ba91e44779e8b1 affected
17d793f3ed53080dab6bbeabfc82de890c901001< 9a6c0e28e215535b2938c61ded54603b4e5814c5 affected
82a136c35506dc788a6c03ffeb11b10c907b0e26 affected
… +15 more rows
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I. Basic Information for CVE-2023-53797

Vulnerability Information
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Vulnerability Title
HID: wacom: Use ktime_t rather than int when dealing with timestamps
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: HID: wacom: Use ktime_t rather than int when dealing with timestamps Code which interacts with timestamps needs to use the ktime_t type returned by functions like ktime_get. The int type does not offer enough space to store these values, and attempting to use it is a recipe for problems. In this particular case, overflows would occur when calculating/storing timestamps leading to incorrect values being reported to userspace. In some cases these bad timestamps cause input handling in userspace to appear hung.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
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，该漏洞源于使用int类型处理时间戳问题。
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 f9e27d4bdb1fe257c1453d02560e3adc3e5b6023 ~ 99036f1aed7e82773904f5d91a9897bb3e507fd9 -
Linux Linux 6.4 -

II. Public POCs for CVE-2023-53797

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III. Intelligence Information for CVE-2023-53797

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Same Patch Batch · Linux · 2025-12-09 · 152 CVEs total

CVE-2025-40343 9.8 CRITICAL nvmet-fc: avoid scheduling association deletion twice
CVE-2022-50666 9.8 CRITICAL RDMA/siw: Fix QP destroy to wait for all references dropped.
CVE-2023-53794 9.8 CRITICAL cifs: fix session state check in reconnect to avoid use-after-free issue
CVE-2025-40342 8.8 HIGH nvme-fc: use lock accessing port_state and rport state
CVE-2023-53822 8.8 HIGH wifi: ath11k: Ignore frags from uninitialized peer in dp.
CVE-2025-40336 8.8 HIGH drm/gpusvm: fix hmm_pfn_to_map_order() usage
CVE-2023-53827 8.8 HIGH Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp}
CVE-2025-40328 8.8 HIGH smb: client: fix potential UAF in smb2_close_cached_fid()
CVE-2023-53785 8.8 HIGH mt76: mt7921: don't assume adequate headroom for SDIO headers
CVE-2023-53851 8.4 HIGH drm/msm/dp: Drop aux devices together with DP controller
CVE-2025-40337 8.2 HIGH net: stmmac: Correctly handle Rx checksum offload errors
CVE-2023-53803 8.1 HIGH scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process()
CVE-2022-50656 8.1 HIGH nfc: pn533: Clear nfc_target before being used
CVE-2023-53836 7.8 HIGH bpf, sockmap: Fix skb refcnt race after locking changes
CVE-2023-53806 7.8 HIGH drm/amd/display: populate subvp cmd info only for the top pipe
CVE-2023-53781 7.8 HIGH smc: Fix use-after-free in tcp_write_timer_handler().
CVE-2023-53800 7.8 HIGH ubi: Fix use-after-free when volume resizing failed
CVE-2023-53860 7.8 HIGH dm: don't attempt to queue IO under RCU protection
CVE-2023-53795 7.8 HIGH iommufd: IOMMUFD_DESTROY should not increase the refcount
CVE-2023-53862 7.8 HIGH hfs: fix missing hfs_bnode_get() in __hfs_bnode_create

Showing top 20 of 152 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-53797

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