CVE-2025-68734— isdn: mISDN: hfcsusb: fix memory leak in hfcsusb_probe()
Affected Version Matrix 18
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 69f52adb2d534afc41fcc658f155e01f0b322f9e< 475032fa2bb82ffb592c321885e917e39f47357f | affected |
69f52adb2d534afc41fcc658f155e01f0b322f9e< adb7577e23a431fc53aa1b6107733c0d751015fb | affected | ||
69f52adb2d534afc41fcc658f155e01f0b322f9e< b70c24827e11fdc71465f9207e974526fb457bb9 | affected | ||
69f52adb2d534afc41fcc658f155e01f0b322f9e< 3f7c72bc73c4e542fde14cce017549d8a0b61a3c | affected | ||
69f52adb2d534afc41fcc658f155e01f0b322f9e< 03695541b3349bc40bf5d6563d44d6147fb20260 | affected | ||
69f52adb2d534afc41fcc658f155e01f0b322f9e< 6dce43433e0635e7b00346bc937b69ce48ea71bb | affected | ||
69f52adb2d534afc41fcc658f155e01f0b322f9e< ea7936304ed74ab7f965d17f942a173ce91a5ca8 | affected | ||
69f52adb2d534afc41fcc658f155e01f0b322f9e< 3f978e3f1570155a1327ffa25f60968bc7b9398f | affected | ||
| … +10 more rows | |||
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I. Basic Information for CVE-2025-68734
Vulnerability Information
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Vulnerability Title
isdn: mISDN: hfcsusb: fix memory leak in hfcsusb_probe()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: isdn: mISDN: hfcsusb: fix memory leak in hfcsusb_probe() In hfcsusb_probe(), the memory allocated for ctrl_urb gets leaked when setup_instance() fails with an error code. Fix that by freeing the urb before freeing the hw structure. Also change the error paths to use the goto ladder style. Compile tested only. Issue found using a prototype static analysis tool.
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，该漏洞源于内存泄漏，可能导致ctrl_urb内存未释放。
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
II. Public POCs for CVE-2025-68734
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Linux · 2025-12-24 · 322 CVEs total
| CVE-2022-50755 | udf: Avoid double brelse() in udf_rename() | |
| CVE-2022-50765 | RISC-V: kexec: Fix memory leak of elf header buffer | |
| CVE-2022-50764 | ipv6/sit: use DEV_STATS_INC() to avoid data-races | |
| CVE-2022-50763 | crypto: marvell/octeontx - prevent integer overflows | |
| CVE-2022-50762 | fs/ntfs3: Avoid UBSAN error on true_sectors_per_clst() | |
| CVE-2022-50760 | drm/amdgpu: Fix PCI device refcount leak in amdgpu_atrm_get_bios() | |
| CVE-2022-50761 | x86/xen: Fix memory leak in xen_init_lock_cpu() | |
| CVE-2022-50759 | media: i2c: ov5648: Free V4L2 fwnode data on unbind | |
| CVE-2022-50758 | staging: vt6655: fix potential memory leak | |
| CVE-2022-50756 | nvme-pci: fix mempool alloc size | |
| CVE-2022-50757 | media: camss: Clean up received buffers on failed start of streaming | |
| CVE-2022-50749 | acct: fix potential integer overflow in encode_comp_t() | |
| CVE-2022-50746 | erofs: validate the extent length for uncompressed pclusters | |
| CVE-2022-50747 | hfs: Fix OOB Write in hfs_asc2mac | |
| CVE-2022-50748 | ipc: mqueue: fix possible memory leak in init_mqueue_fs() | |
| CVE-2022-50750 | drm/panel/panel-sitronix-st7701: Remove panel on DSI attach failure | |
| CVE-2022-50752 | md/raid5: Remove unnecessary bio_put() in raid5_read_one_chunk() | |
| CVE-2022-50753 | f2fs: fix to do sanity check on summary info | |
| CVE-2022-50754 | apparmor: fix a memleak in multi_transaction_new() | |
| CVE-2022-50766 | btrfs: set generation before calling btrfs_clean_tree_block in btrfs_init_new_buffer |
Showing top 20 of 322 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-43492
lib/crypto: mpi: Fix integer underflow in mpi_read_raw_from_ - CVE-2026-43493
crypto: pcrypt - Fix handling of MAY_BACKLOG requests - CVE-2026-43491
net: qrtr: ns: Limit the maximum server registration per nod - CVE-2026-46333
ptrace: slightly saner 'get_dumpable()' logic - CVE-2026-43490
ksmbd: validate inherited ACE SID length
Same vendor: Linux
- CVE-2026-43492
lib/crypto: mpi: Fix integer underflow in mpi_read_raw_from_ - CVE-2026-43493
crypto: pcrypt - Fix handling of MAY_BACKLOG requests - CVE-2026-43491
net: qrtr: ns: Limit the maximum server registration per nod - CVE-2026-46333
ptrace: slightly saner 'get_dumpable()' logic - CVE-2026-43490
ksmbd: validate inherited ACE SID length
V. Comments for CVE-2025-68734
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