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CVE-2023-53276— ubifs: Free memory for tmpfile name

EPSS 0.01% · P2
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I. Basic Information for CVE-2023-53276

Vulnerability Information
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Vulnerability Title
ubifs: Free memory for tmpfile name
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ubifs: Free memory for tmpfile name When opening a ubifs tmpfile on an encrypted directory, function fscrypt_setup_filename allocates memory for the name that is to be stored in the directory entry, but after the name has been copied to the directory entry inode, the memory is not freed. When running kmemleak on it we see that it is registered as a leak. The report below is triggered by a simple program 'tmpfile' just opening a tmpfile: unreferenced object 0xffff88810178f380 (size 32): comm "tmpfile", pid 509, jiffies 4294934744 (age 1524.742s) backtrace: __kmem_cache_alloc_node __kmalloc fscrypt_setup_filename ubifs_tmpfile vfs_tmpfile path_openat Free this memory after it has been copied to the inode.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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，该漏洞源于未释放tmpfile名称的内存，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 f4f61d2cc6d8789a52245a4733b3e5643be154f3 ~ 8ad8c67a897e68426e85990ebfe0a7d1f71fc79f -
LinuxLinux 4.10 -

II. Public POCs for CVE-2023-53276

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III. Intelligence Information for CVE-2023-53276

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Same Patch Batch · Linux · 2025-09-16 · 115 CVEs total

CVE-2022-50340media: vimc: Fix wrong function called when vimc_init() fails
CVE-2023-53307rbd: avoid use-after-free in do_rbd_add() when rbd_dev_create() fails
CVE-2023-53305Bluetooth: L2CAP: Fix use-after-free
CVE-2023-53304netfilter: nft_set_rbtree: fix overlap expiration walk
CVE-2022-50351cifs: Fix xid leak in cifs_create()
CVE-2022-50352net: hns: fix possible memory leak in hnae_ae_register()
CVE-2022-50350scsi: target: iscsi: Fix a race condition between login_work and the login thread
CVE-2022-50348nfsd: Fix a memory leak in an error handling path
CVE-2022-50349misc: tifm: fix possible memory leak in tifm_7xx1_switch_media()
CVE-2022-50347mmc: rtsx_usb_sdmmc: fix return value check of mmc_add_host()
CVE-2022-50346ext4: init quota for 'old.inode' in 'ext4_rename'
CVE-2022-50343rapidio: fix possible name leaks when rio_add_device() fails
CVE-2022-50344ext4: fix null-ptr-deref in ext4_write_info
CVE-2022-50342floppy: Fix memory leak in do_floppy_init()
CVE-2022-50341cifs: fix oops during encryption
CVE-2025-39827net: rose: include node references in rose_neigh refcount
CVE-2025-39830net/mlx5: HWS, Fix memory leak in hws_pool_buddy_init error path
CVE-2025-39829trace/fgraph: Fix the warning caused by missing unregister notifier
CVE-2025-39828atm: atmtcp: Prevent arbitrary write in atmtcp_recv_control().
CVE-2025-39831fbnic: Move phylink resume out of service_task and into open/close

Showing top 20 of 115 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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