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CVE-2024-49965— ocfs2: remove unreasonable unlock in ocfs2_read_blocks

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ocfs2文件系统在ocfs2_read_blocks中的不当解锁。

CVSS 7.8 · High EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 27

VendorProduct Version RangeStatus
Linux Linux 6c150df9c2e80b5cf86f5a0d98beb7390ad63bfc< 5245f109b4afb6595360d4c180d483a6d2009a59 affected
cf76c78595ca87548ca5e45c862ac9e0949c4687< 9753bcb17b36c9add9b32c61766ddf8d2d161911 affected
cf76c78595ca87548ca5e45c862ac9e0949c4687< 3f1ca6ba5452d53c598a45d21267a2c0c221eef3 affected
cf76c78595ca87548ca5e45c862ac9e0949c4687< f55a33fe0fb5274ef185fd61947cf142138958af affected
cf76c78595ca87548ca5e45c862ac9e0949c4687< 81aba693b129e82e11bb54f569504d943d018de9 affected
cf76c78595ca87548ca5e45c862ac9e0949c4687< 84543da867c967edffd5065fa910ebf56aaae49d affected
cf76c78595ca87548ca5e45c862ac9e0949c4687< df4f20fc3673cee11abf2c571987a95733cb638d affected
cf76c78595ca87548ca5e45c862ac9e0949c4687< 39a88623af3f1c686bf6db1e677ed865ffe6fccc affected
… +19 more rows
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I. Basic Information for CVE-2024-49965

Vulnerability Information
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Vulnerability Title
ocfs2: remove unreasonable unlock in ocfs2_read_blocks
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ocfs2: remove unreasonable unlock in ocfs2_read_blocks Patch series "Misc fixes for ocfs2_read_blocks", v5. This series contains 2 fixes for ocfs2_read_blocks(). The first patch fix the issue reported by syzbot, which detects bad unlock balance in ocfs2_read_blocks(). The second patch fixes an issue reported by Heming Zhao when reviewing above fix. This patch (of 2): There was a lock release before exiting, so remove the unreasonable unlock.
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ocfs2文件系统在ocfs2_read_blocks中的不当解锁。
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 6c150df9c2e80b5cf86f5a0d98beb7390ad63bfc ~ 5245f109b4afb6595360d4c180d483a6d2009a59 -
Linux Linux 4.20 -

II. Public POCs for CVE-2024-49965

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III. Intelligence Information for CVE-2024-49965

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Patches & Fixes for CVE-2024-49965 (3)

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

CVE-2024-49855 9.8 CRITICAL nbd: fix race between timeout and normal completion
CVE-2024-47695 9.8 CRITICAL RDMA/rtrs-clt: Reset cid to con_num - 1 to stay in bounds
CVE-2022-48985 9.8 CRITICAL net: mana: Fix race on per-CQ variable napi work_done
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-2024-50033 9.8 CRITICAL slip: make slhc_remember() more robust against malicious packets
CVE-2022-49003 9.8 CRITICAL nvme: fix SRCU protection of nvme_ns_head list
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-2024-49939 8.8 HIGH wifi: rtw89: avoid to add interface to list twice when SER
CVE-2022-48962 8.8 HIGH net: hisilicon: Fix potential use-after-free in hisi_femac_rx()
CVE-2022-48960 8.8 HIGH net: hisilicon: Fix potential use-after-free in hix5hd2_rx()
CVE-2022-48954 8.8 HIGH s390/qeth: fix use-after-free in hsci
CVE-2024-50029 8.8 HIGH Bluetooth: hci_conn: Fix UAF in hci_enhanced_setup_sync
CVE-2024-49930 8.8 HIGH wifi: ath11k: fix array out-of-bound access in SoC stats
CVE-2024-49982 8.8 HIGH aoe: fix the potential use-after-free problem in more places
CVE-2024-47721 8.8 HIGH wifi: rtw89: remove unused C2H event ID RTW89_MAC_C2H_FUNC_READ_WOW_CAM to prevent out-of-
CVE-2024-49950 8.8 HIGH Bluetooth: L2CAP: Fix uaf in l2cap_connect
CVE-2024-47724 8.8 HIGH wifi: ath11k: use work queue to process beacon tx event

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-2024-49965

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