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CVE-2023-53409— drivers: base: component: fix memory leak with using debugfs_lookup()

AI Predicted 3.3 Difficulty: Trivial EPSS 0.14% · P3

Possible ATT&CK Techniques 1AI

T1562

Affected Version Matrix 10

VendorProductVersion RangeStatus
LinuxLinuxc654cea59dbc352fceafddd44893f3523fdcc08e< 09709a49283f79184c998d6dafcc01590e4d654daffected
c654cea59dbc352fceafddd44893f3523fdcc08e< 79ac2b01e033181e21cc84216ace1f4160eb8950affected
c654cea59dbc352fceafddd44893f3523fdcc08e< bf0fd01c7cc1061fb2cfda3e2044371642108e6caffected
c654cea59dbc352fceafddd44893f3523fdcc08e< 8deb87b1e810dd558371e88ffd44339fbef27870affected
5.13affected
< 5.13unaffected
5.15.100≤ 5.15.*unaffected
6.1.18≤ 6.1.*unaffected
… +2 more rows
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I. Basic Information for CVE-2023-53409

Vulnerability Information
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Vulnerability Title
drivers: base: component: fix memory leak with using debugfs_lookup()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drivers: base: component: fix memory leak with using debugfs_lookup() When calling debugfs_lookup() the result must have dput() called on it, otherwise the memory will leak over time. To make things simpler, just call debugfs_lookup_and_remove() instead which handles all of the logic at once.
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，该漏洞源于未正确处理debugfs_lookup返回值，可能导致内存泄漏。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux c654cea59dbc352fceafddd44893f3523fdcc08e ~ 09709a49283f79184c998d6dafcc01590e4d654d -
LinuxLinux 5.13 -

II. Public POCs for CVE-2023-53409

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III. Intelligence Information for CVE-2023-53409

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Same Patch Batch · Linux · 2025-09-18 · 121 CVEs total

CVE-2022-504109.8 CRITICALNFSD: Protect against send buffer overflow in NFSv2 READ
CVE-2022-504019.8 CRITICALnfsd: under NFSv4.1, fix double svc_xprt_put on rpc_create failure
CVE-2023-533829.8 CRITICALnet/smc: Reset connection when trying to use SMCRv2 fails.
CVE-2022-504198.8 HIGHBluetooth: hci_sysfs: Fix attempting to call device_add multiple times
CVE-2022-504138.8 HIGHwifi: mac80211: fix use-after-free
CVE-2023-534318.8 HIGHscsi: ses: Handle enclosure with just a primary component gracefully
CVE-2023-534328.8 HIGHfirewire: net: fix use after free in fwnet_finish_incoming_packet()
CVE-2023-533748.8 HIGHBluetooth: hci_conn: fail SCO/ISO via hci_conn_failed if ACL gone early
CVE-2022-503868.8 HIGHBluetooth: L2CAP: Fix user-after-free
CVE-2023-533728.2 HIGHsctp: fix a potential overflow in sctp_ifwdtsn_skip
CVE-2022-503997.8 HIGHmedia: atomisp: prevent integer overflow in sh_css_set_black_frame()
CVE-2023-533987.8 HIGHmlx5: fix possible ptp queue fifo use-after-free
CVE-2023-533947.8 HIGHnet/mlx5e: xsk: Fix crash on regular rq reactivation
CVE-2022-504177.8 HIGHdrm/panfrost: Fix GEM handle creation ref-counting
CVE-2023-534297.8 HIGHbtrfs: don't check PageError in __extent_writepage
CVE-2023-533737.8 HIGHcrypto: seqiv - Handle EBUSY correctly
CVE-2023-533877.8 HIGHscsi: ufs: core: Fix device management cmd timeout flow
CVE-2023-533787.8 HIGHdrm/i915/dpt: Treat the DPT BO as a framebuffer
CVE-2023-533867.8 HIGHBluetooth: Fix potential use-after-free when clear keys
CVE-2023-534267.8 HIGHxsk: Fix xsk_diag use-after-free error during socket cleanup

Showing top 20 of 121 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-53409

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