CVE-2025-37937

objtool, media: dib8000: Prevent divide-by-zero in dib8000_set_dds()

MEDIUM

5.5

CVSS Score

Published: May 20, 2025 at 03:34 PM UTC

Updated: June 17, 2026 at 09:15 AM UTC

2 products affected across 2 vendorsLinux KernelDebian Linux

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

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()

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux · Debiandrupal

95%

11.0

Linux Kernel · Linux

95%

3.10 ≤ v < 5.10.2363.10 ≤ v < 5.15.1803.10 ≤ v < 5.4.2923.10 ≤ v < 6.1.1343.10 ≤ v < 6.12.233.10 ≤ v < 6.13.113.10 ≤ v < 6.14.23.10 ≤ v < 6.153.10 ≤ v < 6.6.875.11 ≤ v < 5.15.1805.16 ≤ v < 6.1.1345.5 ≤ v < 5.10.2366.13 ≤ v < 6.13.116.14 ≤ v < 6.14.26.2 ≤ v < 6.6.876.7 ≤ v < 6.12.23173a64cb3fcff1993b2aa8113e53fd379f6a968f3.10

Vendor states this is fixed in 536f7f3595ef8187cfa9ea50d7d24fcf4e84e166 (fixed)

Vendor states this is fixed in 6cfe46036b163e5a0f07c6b705b518148e1a8b2f (fixed)

Vendor states this is fixed in 75b42dfe87657ede3da3f279bd6b1b16d69af954 (fixed)

Vendor states this is fixed in 976a85782246a29ba0f6d411a7a4f524cb9ea987 (fixed)

Vendor states this is fixed in 9b76b198cf209797abcb1314c18ddeb90fe0827b (fixed)

Vendor states this is fixed in b9249da6b0ed56269d4f21850df8e5b35dab50bd (fixed)

Vendor states this is fixed in c8430e72b99936c206b37a8e2daebb3f8df7f2d8 (fixed)

Vendor states this is fixed in cd80277f652138d2619f149f86ae6d17bce721d1 (fixed)

Vendor states this is fixed in e63d465f59011dede0a0f1d21718b59a64c3ff5c (fixed)

Vendor states this is fixed in 3.10 (unaffected)

Vendor states this is fixed in 5.10.236 (unaffected)

Vendor states this is fixed in 5.15.180 (unaffected)