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bdu:2026-12667

BELL-CVE-2026-43005

Affected: Alpaquita:stream: linux-lts

EUVD-2026-315713

fkie_cve-2026-43005

In the Linux kernel, the following vulnerability has been resolved:

hwmon: (tps53679) Fix array access with zero-length block read

i2c_smbus_read_block_data() can return 0, indicating a zero-length read. When this happens, tps53679_identify_chip() accesses buf[ret - 1] which is buf[-1], reading one byte before the buffer on the stack.

Fix by changing the check from "ret < 0" to "ret <= 0", treating a zero-length read as an error (-EIO), which prevents the out-of-bounds array access.

Also fix a typo in the adjacent comment: "if present" instead of duplicate "if".

GHSA-5x7p-776c-f64j

In the Linux kernel, the following vulnerability has been resolved:

hwmon: (tps53679) Fix array access with zero-length block read

Fix by changing the check from "ret < 0" to "ret <= 0", treating a zero-length read as an error (-EIO), which prevents the out-of-bounds array access.

Also fix a typo in the adjacent comment: "if present" instead of duplicate "if".

UBUNTU-CVE-2026-43005

Affected: Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3, Ubuntu:18.04:LTS: linux-gke-4.15, Ubuntu:18.04:LTS: linux-gke-5.4 and 104 more

In the Linux kernel, the following vulnerability has been resolved: hwmon: (tps53679) Fix array access with zero-length block read i2c_smbus_read_block_data() can return 0, indicating a zero-length read. When this happens, tps53679_identify_chip() accesses buf[ret - 1] which is buf[-1], reading one byte before the buffer on the stack. Fix by changing the check from "ret < 0" to "ret <= 0", treating a zero-length read as an error (-EIO), which prevents the out-of-bounds array access. Also fix a typo in the adjacent comment: "if present" instead of duplicate "if".

WID-SEC-W-2026-1346 — Linux Kernel: Mehrere Schwachstellen

Ein entfernter Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um Root-Rechte zu erlangen, um Sicherheitsmechanismen zu umgehen, einen Denial-of-Service-Zustand herbeizuführen oder Auswirkungen unbestimmter Art zu erzielen.