CVE-2026-31405
criticalpriority · track · 0EPSS 0.005 · 46 %ileDEEURUUSEPSS · scored 2026-10-27
In the Linux kernel, the following vulnerability has been resolved: media: dvb-net: fix OOB access in ULE extension header tables The ule_mandatory_ext_handlers[] and ule_optional_ext_handlers[] tables in handle_one_ule_extension() are declared with 255 elements (valid indices 0-254), but the index htype is derived from network-controlled data as (ule_sndu_type & 0x00FF), giving a range of 0-255. When htype equals 255, an out-of-bounds read occurs on the function pointer table, and the OOB value may be called as a function pointer. Add a bounds check on htype against the array size before either table is accessed. Out-of-range values now cause the SNDU to be discarded.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
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affected products (60)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-0985Linux Kernel: Mehrere SchwachstellenDeutsch2026-04-06csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Linux Kernel ausnutzen, um unter anderem einen Denial of Service-Angriff auszuführen oder um Sicherheitsmechanismen zu umgehen.
also known as (4)
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sources
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references (23)
External citations — patches, advisories, analysis.
- https://git.kernel.org/stable/c/145e50c2c700fa52b840df7bab206043997dd18ecnnvd
- https://git.kernel.org/stable/c/1a6da3dbb9985d00743073a1cc1f96e59f5abc30cnnvd
- https://git.kernel.org/stable/c/24d87712727a5017ad142d63940589a36cd25647cnnvd
- https://git.kernel.org/stable/c/29ef43ceb121d67b87f4cbb08439e4e9e732eff8cnnvd
- https://git.kernel.org/stable/c/8bde543d2a5f935ba2a6a6325a2e02f8a9256fbecnnvd
- https://git.kernel.org/stable/c/f2b65dcb78c8990e4c68a906627433be1fe38a92cnnvd
- https://www.kernel.org/Patchcnnvd
- https://git.kernel.org/stable/c/145e50c2c700fa52b840df7bab206043997dd18eenisa_euvd
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