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CVE-2023-53131— SUNRPC: Fix a server shutdown leak

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，该漏洞源于竞态条件导致未清理svc_rqst请求。

AI Predicted 3.3 Difficulty: Moderate EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux ed6473ddc704a2005b9900ca08e236ebb2d8540a< ce7dd61e004002bc1c48d1ca47c887f3f3cc7370 affected
ed6473ddc704a2005b9900ca08e236ebb2d8540a< ad7e40ee157ba33950a4ccdc284334580da3638d affected
ed6473ddc704a2005b9900ca08e236ebb2d8540a< 7a3720361068ab520aed4608bad31ea9a6cc7fe7 affected
ed6473ddc704a2005b9900ca08e236ebb2d8540a< f74b3286859463cd63cc9d4aeaabd8b0c640182a affected
ed6473ddc704a2005b9900ca08e236ebb2d8540a< 9ca6705d9d609441d34f8b853e1e4a6369b3b171 affected
f609266b12d214437cf9d68245dc27f8d4f69836 affected
4.9.52< 4.10 affected
4.12 affected
… +6 more rows
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I. Basic Information for CVE-2023-53131

Vulnerability Information
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Vulnerability Title
SUNRPC: Fix a server shutdown leak
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix a server shutdown leak Fix a race where kthread_stop() may prevent the threadfn from ever getting called. If that happens the svc_rqst will not be cleaned up.
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，该漏洞源于竞态条件导致未清理svc_rqst请求。
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 ed6473ddc704a2005b9900ca08e236ebb2d8540a ~ ce7dd61e004002bc1c48d1ca47c887f3f3cc7370 -
Linux Linux 4.12 -

II. Public POCs for CVE-2023-53131

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III. Intelligence Information for CVE-2023-53131

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Patches & Fixes for CVE-2023-53131 (5)

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-2023-53131

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