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CVE-2026-93810— cachefiles: Fix double fput

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.

在 Linux 内核中，已修复以下漏洞： cachefiles：修复双重 fput 问题 修复了 cachefiles_create_tmpfile() 函数错误处理路径中的双重 fput() 调用。

CVSS 7.0 · High EPSS 0.12% · P2

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 12

VendorProduct Version RangeStatus
Linux Linux 24a81759b65fa85767739999d91523691c5e2ea5< e582a3e99584d5a634a3cbce4b12e9381fd5d964 affected
24a81759b65fa85767739999d91523691c5e2ea5< 246098a2b8e88761e92cf82c1be1ec576437b176 affected
24a81759b65fa85767739999d91523691c5e2ea5< e9c2e68c3890a935abbd5f54dbce653f9a16836c affected
24a81759b65fa85767739999d91523691c5e2ea5< 90b306eee037d0a6a8f4aac834b46e05c5ddd0bf affected
24a81759b65fa85767739999d91523691c5e2ea5< af6830cc12dfe86c832dccc9c9878a93aaa22f83 affected
6.1 affected
< 6.1 unaffected
6.1.189≤ 6.1.* unaffected
… +4 more rows
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I. Basic Information for CVE-2026-93810

Vulnerability Information
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Vulnerability Title
cachefiles: Fix double fput
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: cachefiles: Fix double fput Fix a double fput() in error handling in cachefiles_create_tmpfile().
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 24a81759b65fa85767739999d91523691c5e2ea5 ~ e582a3e99584d5a634a3cbce4b12e9381fd5d964 -
Linux Linux 6.1 -

II. Public POCs for CVE-2026-93810

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III. Intelligence Information for CVE-2026-93810

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Patches & Fixes for CVE-2026-93810 (5)

Same Patch Batch · Linux · 2026-09-24 · 234 CVEs total

CVE-2026-93207 9.8 CRITICAL SUNRPC: Zero rpc_gss_wire_cred at svcauth_gss_decode_credbody() entry
CVE-2026-97413 9.8 CRITICAL RDMA/rtrs-srv: Fix integer underflow in process_read and process_write
CVE-2026-93228 9.1 CRITICAL svcrdma: Reject Write/Reply chunks with segcount 0
CVE-2026-93793 8.8 HIGH wifi: iwlwifi: mvm: validate TX_CMD response layout
CVE-2026-93799 8.8 HIGH wifi: iwlwifi: mvm: validate sta_id in BA window status notif
CVE-2026-93790 8.8 HIGH wifi: iwlwifi: mvm: fix out-of-bounds tid_data access in BA notif
CVE-2026-97442 8.8 HIGH wifi: ath11k: fix invalid data access in ath11k_dp_rx_h_undecap_nwifi
CVE-2026-93806 8.8 HIGH wifi: cfg80211: validate assoc response length before status and IE access
CVE-2026-97509 8.8 HIGH thunderbolt: Keep XDomain reference during the lifetime of a service
CVE-2026-97409 8.8 HIGH nvme-fc: Do not cancel requests in io target before it is initialized
CVE-2026-93280 8.8 HIGH greybus: audio: bound the topology section sizes against the fetched size
CVE-2026-93284 8.8 HIGH drm/pagemap: dma-unmap pages before handling migration errors
CVE-2026-97451 8.4 HIGH ACPICA: Fix integer overflow in acpi_ex_opcode_3A_1T_1R() (mid_op)
CVE-2026-97452 8.4 HIGH ACPICA: Prevent adding invalid references
CVE-2026-97455 8.4 HIGH ACPICA: Fix use-after-free in acpi_ds_terminate_control_method()
CVE-2026-97450 8.4 HIGH ACPICA: validate handler object type in two places
CVE-2026-93827 8.4 HIGH virtio-fs: avoid double-free on failed queue setup
CVE-2026-97433 8.2 HIGH nvme: validate FDP configuration descriptor sizes
CVE-2026-93224 8.1 HIGH svcrdma: Fix unmatched rn_unregister on failed accept
CVE-2026-93787 8.1 HIGH smb: client: bound dirent name against end of SMB response in cifs_filldir

Showing top 20 of 234 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-93810

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