objtool, media: dib8000: Prevent divide-by-zero in dib8000_set_dds()
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-369.
Summary
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()
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 3.10 and later | 5.4.292, 5.10.236, 5.15.180, 6.1.134, 6.6.87, 6.12.23, 6.13.11, 6.14.2, 6.15 | Patch available | CNA |
- Linux VendorLinux Affected 3.10 and later Fixed in 5.4.292, 5.10.236, 5.15.180, 6.1.134, 6.6.87, 6.12.23, 6.13.11, 6.14.2, 6.15 Patch available CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 3.10 to before 5.4.292; 5.5 to before 5.10.236; 5.11 to before 5.15.180; 5.16 to before 6.1.134; 6.2 to before 6.6.87; 6.7 to before 6.12.23; 6.13 to before 6.13.11; 6.14 to before 6.14.2 | Vulnerable | Linux |
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | Debian |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 3.10 to before 5.4.292; 5.5 to before 5.10.236; 5.11 to before 5.15.180; 5.16 to before 6.1.134; 6.2 to before 6.6.87; 6.7 to before 6.12.23; 6.13 to before 6.13.11; 6.14 to before 6.14.2 Vulnerable ·Linux
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.292, 5.10.236, 5.15.180, 6.1.134, 6.6.87, 6.12.23, 6.13.11, 6.14.2, 6.15
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Out of support scope |
Not affected: 3 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2025-37937
- 2026-10-03 Alias added: GHSA-fm29-2487-rchf
References
Patch 9
- https://git.kernel.org/stable/c/536f7f3595ef8187cfa9ea50d7d24fcf4e84e166
- https://git.kernel.org/stable/c/976a85782246a29ba0f6d411a7a4f524cb9ea987
- https://git.kernel.org/stable/c/9b76b198cf209797abcb1314c18ddeb90fe0827b
- https://git.kernel.org/stable/c/b9249da6b0ed56269d4f21850df8e5b35dab50bd
- https://git.kernel.org/stable/c/75b42dfe87657ede3da3f279bd6b1b16d69af954
- https://git.kernel.org/stable/c/cd80277f652138d2619f149f86ae6d17bce721d1
- https://git.kernel.org/stable/c/c8430e72b99936c206b37a8e2daebb3f8df7f2d8
- https://git.kernel.org/stable/c/6cfe46036b163e5a0f07c6b705b518148e1a8b2f
- https://git.kernel.org/stable/c/e63d465f59011dede0a0f1d21718b59a64c3ff5c
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2025-37937 · CVE Program
- CVE-2025-37937 · NVD
- FIRST EPSS
- GHSA-fm29-2487-rchf · GitHub Advisory Database · CC BY 4.0
- CVE-2025-37937 · Red Hat security data · CC BY 4.0
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