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CVE-2025-37937— objtool, media: dib8000: Prevent divide-by-zero in dib8000_set_dds()

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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dib8000_set_dds中除以零风险。

AI Predicted 4.4 Difficulty: Moderate EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux 173a64cb3fcff1993b2aa8113e53fd379f6a968f< 536f7f3595ef8187cfa9ea50d7d24fcf4e84e166 affected
173a64cb3fcff1993b2aa8113e53fd379f6a968f< 976a85782246a29ba0f6d411a7a4f524cb9ea987 affected
173a64cb3fcff1993b2aa8113e53fd379f6a968f< 9b76b198cf209797abcb1314c18ddeb90fe0827b affected
173a64cb3fcff1993b2aa8113e53fd379f6a968f< b9249da6b0ed56269d4f21850df8e5b35dab50bd affected
173a64cb3fcff1993b2aa8113e53fd379f6a968f< 75b42dfe87657ede3da3f279bd6b1b16d69af954 affected
173a64cb3fcff1993b2aa8113e53fd379f6a968f< cd80277f652138d2619f149f86ae6d17bce721d1 affected
173a64cb3fcff1993b2aa8113e53fd379f6a968f< c8430e72b99936c206b37a8e2daebb3f8df7f2d8 affected
173a64cb3fcff1993b2aa8113e53fd379f6a968f< 6cfe46036b163e5a0f07c6b705b518148e1a8b2f affected
… +12 more rows
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I. Basic Information for CVE-2025-37937

Vulnerability Information
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Vulnerability Title
objtool, media: dib8000: Prevent divide-by-zero in dib8000_set_dds()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: objtool, media: dib8000: Prevent divide-by-zero in dib8000_set_dds() If dib8000_set_dds()'s call to dib8000_read32() returns zero, the result is a divide-by-zero. Prevent that from happening. Fixes the following warning with an UBSAN kernel: drivers/media/dvb-frontends/dib8000.o: warning: objtool: dib8000_tune() falls through to next function dib8096p_cfg_DibRx()
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dib8000_set_dds中除以零风险。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 173a64cb3fcff1993b2aa8113e53fd379f6a968f ~ 536f7f3595ef8187cfa9ea50d7d24fcf4e84e166 -
Linux Linux 3.10 -

II. Public POCs for CVE-2025-37937

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III. Intelligence Information for CVE-2025-37937

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Patches & Fixes for CVE-2025-37937 (5)

Same Patch Batch · Linux · 2025-05-20 · 95 CVEs total

CVE-2025-37894 9.8 CRITICAL net: use sock_gen_put() when sk_state is TCP_TIME_WAIT
CVE-2025-37924 9.8 CRITICAL ksmbd: fix use-after-free in kerberos authentication
CVE-2025-37935 9.8 CRITICAL net: ethernet: mtk_eth_soc: fix SER panic with 4GB+ RAM
CVE-2025-37959 9.4 CRITICAL bpf: Scrub packet on bpf_redirect_peer
CVE-2025-37926 8.8 HIGH ksmbd: fix use-after-free in ksmbd_session_rpc_open
CVE-2025-37899 8.8 HIGH ksmbd: fix use-after-free in session logoff
CVE-2025-37918 8.8 HIGH Bluetooth: btusb: avoid NULL pointer dereference in skb_dequeue()
CVE-2025-37944 8.8 HIGH wifi: ath12k: Fix invalid entry fetch in ath12k_dp_mon_srng_process
CVE-2025-37943 8.8 HIGH wifi: ath12k: Fix invalid data access in ath12k_dp_rx_h_undecap_nwifi
CVE-2025-37947 8.8 HIGH ksmbd: prevent out-of-bounds stream writes by validating *pos
CVE-2025-37952 8.8 HIGH ksmbd: Fix UAF in __close_file_table_ids
CVE-2025-37956 8.8 HIGH ksmbd: prevent rename with empty string
CVE-2025-37957 8.8 HIGH KVM: SVM: Forcibly leave SMM mode on SHUTDOWN interception
CVE-2025-37936 8.7 HIGH perf/x86/intel: KVM: Mask PEBS_ENABLE loaded for guest with vCPU's value.
CVE-2025-37973 8.1 HIGH wifi: cfg80211: fix out-of-bounds access during multi-link element defragmentation
CVE-2025-37903 7.8 HIGH drm/amd/display: Fix slab-use-after-free in hdcp
CVE-2025-37901 7.8 HIGH irqchip/qcom-mpm: Prevent crash when trying to handle non-wake GPIOs
CVE-2025-37923 7.8 HIGH tracing: Fix oob write in trace_seq_to_buffer()
CVE-2025-37921 7.8 HIGH vxlan: vnifilter: Fix unlocked deletion of default FDB entry
CVE-2025-37920 7.8 HIGH xsk: Fix race condition in AF_XDP generic RX path

Showing top 20 of 95 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-37937

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