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CVE-2025-68252— misc: fastrpc: Fix dma_buf object leak in fastrpc_map_lookup

EPSS 0.03% · P10
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I. Basic Information for CVE-2025-68252

Vulnerability Information
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Vulnerability Title
misc: fastrpc: Fix dma_buf object leak in fastrpc_map_lookup
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Fix dma_buf object leak in fastrpc_map_lookup In fastrpc_map_lookup, dma_buf_get is called to obtain a reference to the dma_buf for comparison purposes. However, this reference is never released when the function returns, leading to a dma_buf memory leak. Fix this by adding dma_buf_put before returning from the function, ensuring that the temporarily acquired reference is properly released regardless of whether a matching map is found. Rule: add
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fastrpc中fastrpc_map_lookup函数存在dma_buf对象泄漏。
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 ec5cb80503bbfee67573699fe52fcf456fd57678 ~ c2fef5ebb73f3dabae6fbc571d181914ed32c483 -
LinuxLinux 6.1.156 ~ 6.1.158 -

II. Public POCs for CVE-2025-68252

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III. Intelligence Information for CVE-2025-68252

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Same Patch Batch · Linux · 2025-12-16 · 157 CVEs total

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CVE-2025-68250hung_task: fix warnings caused by unaligned lock pointers
CVE-2025-68251erofs: avoid infinite loops due to corrupted subpage compact indexes
CVE-2025-68253mm: don't spin in add_stack_record when gfp flags don't allow
CVE-2025-68254staging: rtl8723bs: fix out-of-bounds read in OnBeacon ESR IE parsing
CVE-2025-68255staging: rtl8723bs: fix stack buffer overflow in OnAssocReq IE parsing
CVE-2025-68256staging: rtl8723bs: fix out-of-bounds read in rtw_get_ie() parser
CVE-2025-68257comedi: check device's attached status in compat ioctls
CVE-2025-68258comedi: multiq3: sanitize config options in multiq3_attach()
CVE-2025-68259KVM: SVM: Don't skip unrelated instruction if INT3/INTO is replaced
CVE-2025-68265nvme: fix admin request_queue lifetime
CVE-2025-68283libceph: replace BUG_ON with bounds check for map->max_osd
CVE-2025-68282usb: gadget: udc: fix use-after-free in usb_gadget_state_work
CVE-2025-68281ASoC: SDCA: bug fix while parsing mipi-sdca-control-cn-list
CVE-2025-68266bfs: Reconstruct file type when loading from disk
CVE-2025-68262crypto: zstd - fix double-free in per-CPU stream cleanup
CVE-2025-68261ext4: add i_data_sem protection in ext4_destroy_inline_data_nolock()
CVE-2025-68249most: usb: hdm_probe: Fix calling put_device() before device initialization
CVE-2025-68264ext4: refresh inline data size before write operations

Showing top 20 of 157 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-68252

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