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CVE-2023-53746— s390/vfio-ap: fix memory leak in vfio_ap device driver

EPSS 0.03% · P9
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I. Basic Information for CVE-2023-53746

Vulnerability Information
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Vulnerability Title
s390/vfio-ap: fix memory leak in vfio_ap device driver
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix memory leak in vfio_ap device driver The device release callback function invoked to release the matrix device uses the dev_get_drvdata(device *dev) function to retrieve the pointer to the vfio_matrix_dev object in order to free its storage. The problem is, this object is not stored as drvdata with the device; since the kfree function will accept a NULL pointer, the memory for the vfio_matrix_dev object is never freed. Since the device being released is contained within the vfio_matrix_dev object, the container_of macro will be used to retrieve its pointer.
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vfio_ap设备驱动中缺少内存释放，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 1fde573413b549d52183382e639c1d6ce88f5959 ~ 5195de1d5f66b276683240a896783f7f43c4f664 -
LinuxLinux 4.20 -

II. Public POCs for CVE-2023-53746

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III. Intelligence Information for CVE-2023-53746

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Same Patch Batch · Linux · 2025-12-08 · 82 CVEs total

CVE-2022-50629wifi: rsi: Fix memory leak in rsi_coex_attach()
CVE-2023-53752net: deal with integer overflows in kmalloc_reserve()
CVE-2022-50626media: dvb-usb: fix memory leak in dvb_usb_adapter_init()
CVE-2022-50627wifi: ath11k: fix monitor mode bringup crash
CVE-2022-50625serial: amba-pl011: avoid SBSA UART accessing DMACR register
CVE-2022-50622ext4: fix potential memory leak in ext4_fc_record_modified_inode()
CVE-2022-50621dm: verity-loadpin: Only trust verity targets with enforcement
CVE-2022-50620f2fs: fix to invalidate dcc->f2fs_issue_discard in error path
CVE-2022-50619drm/amdkfd: Fix memory leak in kfd_mem_dmamap_userptr()
CVE-2022-50623fpga: prevent integer overflow in dfl_feature_ioctl_set_irq()
CVE-2022-50628drm/gud: Fix UBSAN warning
CVE-2022-50630mm: hugetlb: fix UAF in hugetlb_handle_userfault
CVE-2023-53742kcsan: Avoid READ_ONCE() in read_instrumented_memory()
CVE-2023-53743PCI: Free released resource after coalescing
CVE-2023-53744soc: ti: pm33xx: Fix refcount leak in am33xx_pm_probe
CVE-2023-53745um: vector: Fix memory leak in vector_config
CVE-2023-53747vc_screen: reload load of struct vc_data pointer in vcs_write() to avoid UAF
CVE-2023-53748media: mediatek: vcodec: Fix potential array out-of-bounds in decoder queue_setup
CVE-2023-53750pinctrl: freescale: Fix a memory out of bounds when num_configs is 1
CVE-2023-53751cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname

Showing top 20 of 82 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-53746

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