Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2023-53804— nilfs2: fix use-after-free bug of nilfs_root in nilfs_evict_inode()

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是美国等都是美国(Linux)基金会的产品。Linux kernel是开源操作系统Linux所使用的内核。LangGenius dify等都是(LangGenius)开源的产品。dify是一个开源的 LLM 应用程序开发平台。ClickHouse ch等都是(ClickHouse)开源的产品。ch是一个ClickHouse的低级Go客户端。 Linux kernel存在安全漏洞，该漏洞源于nilfs_evict_inode在文件系统只读或写入器分离后仍使用nilfs_root，可能

CVSS 7.8 · High EPSS 0.14% · P3

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux e912a5b66837ee89fb025e67b5efeaa11930c2ce< f31e18131ee2ce80a4da5c808221d25b1ae9ad6d affected
e912a5b66837ee89fb025e67b5efeaa11930c2ce< 2a782ea8ebd712a458466e3103e2881b4f886cb5 affected
e912a5b66837ee89fb025e67b5efeaa11930c2ce< 116d53f09ff52e6f98e3fe1f85d8898d6ba26c68 affected
e912a5b66837ee89fb025e67b5efeaa11930c2ce< 6b4205ea97901f822004e6c8d59484ccfda03faa affected
e912a5b66837ee89fb025e67b5efeaa11930c2ce< b8427b8522d9ede53015ba45a9978ba68d1162f5 affected
e912a5b66837ee89fb025e67b5efeaa11930c2ce< acc2a40e428f12780004e1e9fce4722d88f909fd affected
e912a5b66837ee89fb025e67b5efeaa11930c2ce< fb8e8d58f116d069e5939e1f786ac84e7fa4533e affected
e912a5b66837ee89fb025e67b5efeaa11930c2ce< 9b5a04ac3ad9898c4745cba46ea26de74ba56a8e affected
… +10 more rows
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2023-53804

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
nilfs2: fix use-after-free bug of nilfs_root in nilfs_evict_inode()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix use-after-free bug of nilfs_root in nilfs_evict_inode() During unmount process of nilfs2, nothing holds nilfs_root structure after nilfs2 detaches its writer in nilfs_detach_log_writer(). However, since nilfs_evict_inode() uses nilfs_root for some cleanup operations, it may cause use-after-free read if inodes are left in "garbage_list" and released by nilfs_dispose_list() at the end of nilfs_detach_log_writer(). Fix this issue by modifying nilfs_evict_inode() to only clear inode without additional metadata changes that use nilfs_root if the file system is degraded to read-only or the writer is detached.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/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
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国等都是美国(Linux)基金会的产品。Linux kernel是开源操作系统Linux所使用的内核。LangGenius dify等都是(LangGenius)开源的产品。dify是一个开源的 LLM 应用程序开发平台。ClickHouse ch等都是(ClickHouse)开源的产品。ch是一个ClickHouse的低级Go客户端。 Linux kernel存在安全漏洞，该漏洞源于nilfs_evict_inode在文件系统只读或写入器分离后仍使用nilfs_root，可能
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 e912a5b66837ee89fb025e67b5efeaa11930c2ce ~ f31e18131ee2ce80a4da5c808221d25b1ae9ad6d -
Linux Linux 2.6.37 -

II. Public POCs for CVE-2023-53804

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2023-53804

请登录查看更多情报信息。

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

CVE-2025-40343 9.8 CRITICAL nvmet-fc: avoid scheduling association deletion twice
CVE-2023-53794 9.8 CRITICAL cifs: fix session state check in reconnect to avoid use-after-free issue
CVE-2022-50666 9.8 CRITICAL RDMA/siw: Fix QP destroy to wait for all references dropped.
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-2023-53785 8.8 HIGH mt76: mt7921: don't assume adequate headroom for SDIO headers
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-2023-53851 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-2023-53790 7.8 HIGH bpf: Zeroing allocated object from slab in bpf memory allocator
CVE-2023-53781 7.8 HIGH smc: Fix use-after-free in tcp_write_timer_handler().
CVE-2023-53819 7.8 HIGH amdgpu: validate offset_in_bo of drm_amdgpu_gem_va
CVE-2023-53860 7.8 HIGH dm: don't attempt to queue IO under RCU protection
CVE-2023-53838 7.8 HIGH f2fs: synchronize atomic write aborts
CVE-2023-53816 7.8 HIGH drm/amdkfd: fix potential kgd_mem UAFs
CVE-2023-53795 7.8 HIGH iommufd: IOMMUFD_DESTROY should not increase the refcount

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-2023-53804

No comments yet

Leave a comment