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CVE-2024-47726— f2fs: fix to wait dio completion

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，该漏洞源于在块删除前未等待所有现有的dio写入IO完成。

CVSS 7.8 · High EPSS 0.65% · P50

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 98e4da8ca301e062d79ae168c67e56f3c3de3ce4< 7be13b73409b553d9d9a6cbb042b4d19e2631cc7 affected
98e4da8ca301e062d79ae168c67e56f3c3de3ce4< 3aa5254d80969cb576601fb9fec7a188cc8dc169 affected
98e4da8ca301e062d79ae168c67e56f3c3de3ce4< f81302decd64245bb1bd154ecae0f65a9ee21f04 affected
98e4da8ca301e062d79ae168c67e56f3c3de3ce4< c2a7fc514637f640ff55c3f3e3ed879970814a3f affected
98e4da8ca301e062d79ae168c67e56f3c3de3ce4< e3db757ff9b7101ae68650ac5f6dd5743b68164e affected
98e4da8ca301e062d79ae168c67e56f3c3de3ce4< 96cfeb0389530ae32ade8a48ae3ae1ac3b6c009d affected
3.8 affected
< 3.8 unaffected
… +6 more rows
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I. Basic Information for CVE-2024-47726

Vulnerability Information
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Vulnerability Title
f2fs: fix to wait dio completion
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to wait dio completion It should wait all existing dio write IOs before block removal, otherwise, previous direct write IO may overwrite data in the block which may be reused by other inode.
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，该漏洞源于在块删除前未等待所有现有的dio写入IO完成。
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 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 ~ 7be13b73409b553d9d9a6cbb042b4d19e2631cc7 -
Linux Linux 3.8 -

II. Public POCs for CVE-2024-47726

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III. Intelligence Information for CVE-2024-47726

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Patches & Fixes for CVE-2024-47726 (4)

Other References for CVE-2024-47726 (2)

Same Patch Batch · Linux · 2024-10-21 · 372 CVEs total

CVE-2022-48985 9.8 CRITICAL net: mana: Fix race on per-CQ variable napi work_done
CVE-2024-49855 9.8 CRITICAL nbd: fix race between timeout and normal completion
CVE-2024-50033 9.8 CRITICAL slip: make slhc_remember() more robust against malicious packets
CVE-2024-47695 9.8 CRITICAL RDMA/rtrs-clt: Reset cid to con_num - 1 to stay in bounds
CVE-2022-49003 9.8 CRITICAL nvme: fix SRCU protection of nvme_ns_head list
CVE-2024-50046 9.8 CRITICAL NFSv4: Prevent NULL-pointer dereference in nfs42_complete_copies()
CVE-2024-50047 9.8 CRITICAL smb: client: fix UAF in async decryption
CVE-2024-50043 9.8 CRITICAL nfsd: fix possible badness in FREE_STATEID
CVE-2024-49996 9.4 CRITICAL cifs: Fix buffer overflow when parsing NFS reparse points
CVE-2024-47678 9.4 CRITICAL icmp: change the order of rate limits
CVE-2024-49950 8.8 HIGH Bluetooth: L2CAP: Fix uaf in l2cap_connect
CVE-2024-49936 8.8 HIGH net/xen-netback: prevent UAF in xenvif_flush_hash()
CVE-2022-49017 8.8 HIGH tipc: re-fetch skb cb after tipc_msg_validate
CVE-2022-49015 8.8 HIGH net: hsr: Fix potential use-after-free
CVE-2024-49939 8.8 HIGH wifi: rtw89: avoid to add interface to list twice when SER
CVE-2024-50041 8.8 HIGH i40e: Fix macvlan leak by synchronizing access to mac_filter_hash
CVE-2024-49930 8.8 HIGH wifi: ath11k: fix array out-of-bound access in SoC stats
CVE-2022-48967 8.8 HIGH NFC: nci: Bounds check struct nfc_target arrays
CVE-2022-48964 8.8 HIGH ravb: Fix potential use-after-free in ravb_rx_gbeth()
CVE-2022-48962 8.8 HIGH net: hisilicon: Fix potential use-after-free in hisi_femac_rx()

Showing top 20 of 372 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-47726

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