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CVE-2023-53117— fs: prevent out-of-bounds array speculation when closing a file descriptor

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，该漏洞源于文件描述符关闭时存在数组越界风险。

AI Predicted 7.8 Difficulty: Hard EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1206

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< f31cd5da636682caea424fa1c22679016cbfc16b affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 3d5d9501b634fd268eb56428cda92cd317752d69 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 6631c8da02cfad96c53b217cf647b511c7f34faf affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< a759905de9cd6ec9ca08ceadf0920272772ed830 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< f8cd8754a03a3748384ee438c572423643c9c315 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< cec08b7d1ebcd3138d4658b3868ce26aeb1e8e06 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< eea8e4e056a5ffbeb539a13854c017d5d62c756a affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 609d54441493c99f21c1823dfd66fa7f4c512ff4 affected
… +10 more rows
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I. Basic Information for CVE-2023-53117

Vulnerability Information
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Vulnerability Title
fs: prevent out-of-bounds array speculation when closing a file descriptor
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: fs: prevent out-of-bounds array speculation when closing a file descriptor Google-Bug-Id: 114199369
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，该漏洞源于文件描述符关闭时存在数组越界风险。
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 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ~ f31cd5da636682caea424fa1c22679016cbfc16b -
Linux Linux 2.6.12 -

II. Public POCs for CVE-2023-53117

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III. Intelligence Information for CVE-2023-53117

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Patches & Fixes for CVE-2023-53117 (8)

Same Patch Batch · Linux · 2025-05-02 · 107 CVEs total

CVE-2023-53116 9.8 CRITICAL nvmet: avoid potential UAF in nvmet_req_complete()
CVE-2023-53083 9.8 CRITICAL nfsd: don't replace page in rq_pages if it's a continuation of last page
CVE-2023-53086 8.8 HIGH wifi: mt76: connac: do not check WED status for non-mmio devices
CVE-2025-37798 7.8 HIGH codel: remove sch->q.qlen check before qdisc_tree_reduce_backlog()
CVE-2023-53138 7.8 HIGH net: caif: Fix use-after-free in cfusbl_device_notify()
CVE-2023-53111 7.8 HIGH loop: Fix use-after-free issues
CVE-2023-53107 7.8 HIGH veth: Fix use after free in XDP_REDIRECT
CVE-2023-53102 7.8 HIGH ice: xsk: disable txq irq before flushing hw
CVE-2023-53100 7.8 HIGH ext4: fix WARNING in ext4_update_inline_data
CVE-2023-53094 7.8 HIGH tty: serial: fsl_lpuart: fix race on RX DMA shutdown
CVE-2023-53090 7.8 HIGH drm/amdkfd: Fix an illegal memory access
CVE-2023-53088 7.8 HIGH mptcp: fix UaF in listener shutdown
CVE-2023-53087 7.8 HIGH drm/i915/active: Fix misuse of non-idle barriers as fence trackers
CVE-2023-53084 7.8 HIGH drm/shmem-helper: Remove another errant put in error path
CVE-2023-53080 7.8 HIGH xsk: Add missing overflow check in xdp_umem_reg
CVE-2023-53072 7.8 HIGH mptcp: use the workqueue to destroy unaccepted sockets
CVE-2023-53065 7.8 HIGH perf/core: Fix perf_output_begin parameter is incorrectly invoked in perf_event_bpf_output
CVE-2023-53057 7.8 HIGH Bluetooth: HCI: Fix global-out-of-bounds
CVE-2023-53052 7.8 HIGH cifs: fix use-after-free bug in refresh_cache_worker()
CVE-2023-53046 7.8 HIGH Bluetooth: Fix race condition in hci_cmd_sync_clear

Showing top 20 of 107 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-53117

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