CVE-2025-38694— media: dvb-frontends: dib7090p: fix null-ptr-deref in dib7090p_rw_on_apb()
Possible ATT&CK Techniques 1AI
T1203 · Exploitation for Client ExecutionAffected Version Matrix 20
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 713d54a8bd812229410a1902cd9b332a2a27af9f< bc07cae4f36bb18d5b6a9ed835c1278ca44ec82e | affected |
713d54a8bd812229410a1902cd9b332a2a27af9f< ce8b7c711b9c4f040b5419729d0972db8e374324 | affected | ||
713d54a8bd812229410a1902cd9b332a2a27af9f< 529fd5593b721e6f4370c591f5086649ed149ff6 | affected | ||
713d54a8bd812229410a1902cd9b332a2a27af9f< c33280d6bd668dbdc5a5f07887cc63a52ab4789c | affected | ||
713d54a8bd812229410a1902cd9b332a2a27af9f< 09906650484a09b3a4d4b3d3065395856810becd | affected | ||
713d54a8bd812229410a1902cd9b332a2a27af9f< 0bb32863426afe0badac25c28d59021f211d0f48 | affected | ||
713d54a8bd812229410a1902cd9b332a2a27af9f< a0f744d6cdde81d7382e183f77a4080a39b206cd | affected | ||
713d54a8bd812229410a1902cd9b332a2a27af9f< 19eb5d8e6aa1169d368a4d69aae5572950deb89d | affected | ||
| … +12 more rows | |||
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I. Basic Information for CVE-2025-38694
Vulnerability Information
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Vulnerability Title
media: dvb-frontends: dib7090p: fix null-ptr-deref in dib7090p_rw_on_apb()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: media: dvb-frontends: dib7090p: fix null-ptr-deref in dib7090p_rw_on_apb() In dib7090p_rw_on_apb, msg is controlled by user. When msg[0].buf is null and msg[0].len is zero, former checks on msg[0].buf would be passed. If accessing msg[0].buf[2] without sanity check, null pointer deref would happen. We add check on msg[0].len to prevent crash. Similar issue occurs when access msg[1].buf[0] and msg[1].buf[1]. Similar commit: commit 0ed554fd769a ("media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()")
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dib7090p调谐器未检查消息长度导致空指针解引用。
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-2025-38694
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Linux · 2025-09-04 · 52 CVEs total
| CVE-2025-38708 | 9.8 CRITICAL | drbd: add missing kref_get in handle_write_conflicts |
| CVE-2025-38724 | 9.8 CRITICAL | nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm() |
| CVE-2025-38728 | 9.1 CRITICAL | smb3: fix for slab out of bounds on mount to ksmbd |
| CVE-2025-38688 | 8.8 HIGH | iommufd: Prevent ALIGN() overflow |
| CVE-2025-38697 | 7.8 HIGH | jfs: upper bound check of tree index in dbAllocAG |
| CVE-2025-38722 | 7.8 HIGH | habanalabs: fix UAF in export_dmabuf() |
| CVE-2025-38685 | 7.8 HIGH | fbdev: Fix vmalloc out-of-bounds write in fast_imageblit |
| CVE-2025-38718 | 7.8 HIGH | sctp: linearize cloned gso packets in sctp_rcv |
| CVE-2025-38717 | 7.8 HIGH | net: kcm: Fix race condition in kcm_unattach() |
| CVE-2025-38715 | 7.8 HIGH | hfs: fix slab-out-of-bounds in hfs_bnode_read() |
| CVE-2025-38710 | 7.8 HIGH | gfs2: Validate i_depth for exhash directories |
| CVE-2025-38730 | 7.8 HIGH | io_uring/net: commit partial buffers on retry |
| CVE-2025-38703 | 7.8 HIGH | drm/xe: Make dma-fences compliant with the safe access rules |
| CVE-2025-38714 | 7.8 HIGH | hfsplus: fix slab-out-of-bounds in hfsplus_bnode_read() |
| CVE-2025-38679 | 7.3 HIGH | media: venus: Fix OOB read due to missing payload bound check |
| CVE-2025-38687 | 7.3 HIGH | comedi: fix race between polling and detaching |
| CVE-2025-38713 | 7.1 HIGH | hfsplus: fix slab-out-of-bounds read in hfsplus_uni2asc() |
| CVE-2025-38707 | 7.1 HIGH | fs/ntfs3: Add sanity check for file name |
| CVE-2025-38680 | media: uvcvideo: Fix 1-byte out-of-bounds read in uvc_parse_format() | |
| CVE-2025-38695 | scsi: lpfc: Check for hdwq null ptr when cleaning up lpfc_vport structure |
Showing top 20 of 52 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2022-4994
KVM: x86: wean fast IN from emulator_pio_in - CVE-2026-64560
posix-cpu-timers: Prevent UAF caused by non-leader exec() ra - CVE-2026-64559
s390/pkey: Check length in PKEY_VERIFYPROTK ioctl - CVE-2026-64558
s390/pkey: Check length in pkey_pckmo handler implementation - CVE-2026-64556
perf/core: Detach event groups during remove_on_exec
Same vendor: Linux
- CVE-2022-4994
KVM: x86: wean fast IN from emulator_pio_in - CVE-2026-64560
posix-cpu-timers: Prevent UAF caused by non-leader exec() ra - CVE-2026-64559
s390/pkey: Check length in PKEY_VERIFYPROTK ioctl - CVE-2026-64558
s390/pkey: Check length in pkey_pckmo handler implementation - CVE-2026-64556
perf/core: Detach event groups during remove_on_exec
V. Comments for CVE-2025-38694
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