🛡️ CVE-2026-43316 on Ubuntu — linux
Description
In the Linux kernel, the following vulnerability has been resolved: media: solo6x10: Check for out of bounds chip_id Clang with CONFIG_UBSAN_SHIFT=y noticed a condition where a signed type (literal "1" is an "int") could end up being shifted beyond 32 bits, so instrumentation was added (and due to the double is_tw286x() call seen via inlining), Clang decides the second one must now be undefined behavior and elides the rest of the function[1]. This is a known problem with Clang (that is still being worked on), but we can avoid the entire problem by actually checking the existing max chip ID, and now there is no runtime instrumentation added at all since everything is known to be within bounds. Additionally use an unsigned value for the shift to remove the instrumentation even without the explicit bounds checking. [hverkuil: fix checkpatch warning for is_tw286x]
Distribution advisory
This page covers CVE-2026-43316 as tracked by Ubuntu, for the package linux. The fix is available in version 5.15.0-1112.119~20.04.1; earlier versions remain affected.
How this vulnerability can be exploited
This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.
Affected software
UBUNTU-CVE-2026-43316 is recorded against 158 packages.
- linux
- linux-allwinner-5.19
- linux-aws
- linux-aws-5.0
- linux-aws-5.11
- linux-aws-5.13
- linux-aws-5.15 (fixed in 5.15.0-1112.119~20.04.1)
- linux-aws-5.19
- linux-aws-5.3
- linux-aws-5.4
- linux-aws-5.8
- linux-aws-6.14
- linux-aws-6.17
- linux-aws-6.2
- linux-aws-6.5
- linux-aws-6.8 (fixed in 6.8.0-1060.63~22.04.1)
- linux-aws-fips (fixed in 6.8.0-1060.63+fips1)
- linux-aws-hwe
- linux-azure
- linux-azure-4.15
- linux-azure-5.11
- linux-azure-5.13
- linux-azure-5.15 (fixed in 5.15.0-1117.126~20.04.1)
- linux-azure-5.19
Show the remaining 134 packages
- linux-azure-5.3
- linux-azure-5.4
- linux-azure-5.8
- linux-azure-6.11
- linux-azure-6.14
- linux-azure-6.17
- linux-azure-6.2
- linux-azure-6.5
- linux-azure-6.8 (fixed in 6.8.0-1063.71~22.04.1)
- linux-azure-edge
- linux-azure-fde
- linux-azure-fde-5.15 (fixed in 5.15.0-1117.126~20.04.2)
- linux-azure-fde-5.19
- linux-azure-fde-6.14
- linux-azure-fde-6.17
- linux-azure-fde-6.2
- linux-azure-fde-6.8 (fixed in 6.8.0-1062.69~22.04.1)
- linux-azure-fips (fixed in 6.8.0-1062.69+fips1)
- linux-azure-nvidia
- linux-azure-nvidia-6.14
- linux-bluefield
- linux-fips (fixed in 6.8.0-134.134+fips1)
- linux-gcp
- linux-gcp-4.15
- linux-gcp-5.11
- linux-gcp-5.13
- linux-gcp-5.15
- linux-gcp-5.19
- linux-gcp-5.3
- linux-gcp-5.4
- linux-gcp-5.8
- linux-gcp-6.11
- linux-gcp-6.14
- linux-gcp-6.17
- linux-gcp-6.2
- linux-gcp-6.5
- linux-gcp-6.8 (fixed in 6.8.0-1063.69~22.04.1)
- linux-gcp-fips (fixed in 6.8.0-1063.69+fips1)
- linux-gke (fixed in 6.8.0-1058.64)
- linux-gke-4.15
- linux-gke-5.15
- linux-gke-5.4
- linux-gkeop (fixed in 6.8.0-1045.48)
- linux-gkeop-5.15
- linux-gkeop-5.4
- linux-hwe
- linux-hwe-5.11
- linux-hwe-5.13
- linux-hwe-5.15 (fixed in 5.15.0-186.196~20.04.1)
- linux-hwe-5.19
- linux-hwe-5.4
- linux-hwe-5.8
- linux-hwe-6.11
- linux-hwe-6.14
- linux-hwe-6.17
- linux-hwe-6.2
- linux-hwe-6.5
- linux-hwe-6.8 (fixed in 6.8.0-136.136~22.04.1)
- linux-hwe-edge
- linux-ibm (fixed in 6.8.0-1060.61)
- linux-ibm-5.15 (fixed in 5.15.0-1106.110~20.04.1)
- linux-ibm-5.4
- linux-ibm-6.8 (fixed in 6.8.0-1060.61~22.04.1)
- linux-intel-5.13
- linux-intel-iot-realtime (fixed in 5.15.0-1104.106)
- linux-intel-iotg (fixed in 5.15.0-1107.113)
- linux-intel-iotg-5.15 (fixed in 5.15.0-1107.113~20.04.1)
- linux-iot
- linux-kvm (fixed in 5.15.0-1104.109)
- linux-lowlatency (fixed in 6.8.0-134.134.1)
- linux-lowlatency-hwe-5.15 (fixed in 5.15.0-184.194~20.04.1)
- linux-lowlatency-hwe-5.19
- linux-lowlatency-hwe-6.11
- linux-lowlatency-hwe-6.2
- linux-lowlatency-hwe-6.5
- linux-lowlatency-hwe-6.8 (fixed in 6.8.0-134.134.1~22.04.1)
- linux-lts-xenial
- linux-nvidia (fixed in 6.8.0-1058.61)
- linux-nvidia-6.11
- linux-nvidia-6.17
- linux-nvidia-6.2
- linux-nvidia-6.5
- linux-nvidia-6.8 (fixed in 6.8.0-1058.61~22.04.1)
- linux-nvidia-lowlatency (fixed in 6.8.0-1058.61.1)
- linux-nvidia-tegra (fixed in 6.8.0-1029.30)
- linux-nvidia-tegra-5.15 (fixed in 5.15.0-1064.66~20.04.1)
- linux-nvidia-tegra-igx (fixed in 5.15.0-1053.53)
- linux-oem
- linux-oem-5.10
- linux-oem-5.13
- linux-oem-5.14
- linux-oem-5.17
- linux-oem-5.6
- linux-oem-6.0
- linux-oem-6.1
- linux-oem-6.11
- linux-oem-6.14
- linux-oem-6.17
- linux-oem-6.5
- linux-oem-6.8
- linux-oracle
- linux-oracle-5.0
- linux-oracle-5.11
- linux-oracle-5.13
- linux-oracle-5.15 (fixed in 5.15.0-1109.115~20.04.1)
- linux-oracle-5.3
- linux-oracle-5.4
- linux-oracle-5.8
- linux-oracle-6.14
- linux-oracle-6.17
- linux-oracle-6.5
- linux-oracle-6.8 (fixed in 6.8.0-1057.58~22.04.1)
- linux-raspi
- linux-raspi-5.4
- linux-raspi-realtime (fixed in 6.8.0-2049.50)
- linux-raspi2
- linux-realtime
- linux-realtime-6.14
- linux-realtime-6.17
- linux-realtime-6.8 (fixed in 6.8.1-1055.56~22.04.1)
- linux-riscv
- linux-riscv-5.11
- linux-riscv-5.15 (fixed in 5.15.0-1106.110~20.04.1)
- linux-riscv-5.19
- linux-riscv-5.8
- linux-riscv-6.14
- linux-riscv-6.17
- linux-riscv-6.5
- linux-riscv-6.8 (fixed in 6.8.0-134.134~22.04.1)
- linux-starfive-5.19
- linux-starfive-6.2
- linux-starfive-6.5
- linux-xilinx (fixed in 6.8.0-1032.33)
- linux-xilinx-zynqmp (fixed in 5.15.0-1075.79)
Timeline and source
Published on 8 May 2026 and last revised on 11 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
ubuntu.com (Report)
www.cve.org (Report)
git.kernel.org (Report)
git.kernel.org (Report)
git.kernel.org (Report)
git.kernel.org (Report)
git.kernel.org (Report)
git.kernel.org (Report)
git.kernel.org (Report)
git.kernel.org (Report)
git.kernel.org (Report)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
CVE-2026-43316 on other distributions
Each distribution ships its own build and its own fixed version. Pick the one you run:
Details
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| linux | — | — |
| linux-allwinner-5.19 | — | — |
| linux-aws | — | — |
| linux-aws-5.0 | — | — |
| linux-aws-5.11 | — | — |
| linux-aws-5.13 | — | — |
| linux-aws-5.15 | — | 5.15.0-1112.119~20.04.1 |
| linux-aws-5.19 | — | — |
| linux-aws-5.3 | — | — |
| linux-aws-5.4 | — | — |
| linux-aws-5.8 | — | — |
| linux-aws-6.14 | — | — |
| linux-aws-6.17 | — | — |
| linux-aws-6.2 | — | — |
| linux-aws-6.5 | — | — |
| linux-aws-6.8 | — | 6.8.0-1060.63~22.04.1 |
| linux-aws-fips | — | 6.8.0-1060.63+fips1 |
| linux-aws-hwe | — | — |
| linux-azure | — | — |
| linux-azure-4.15 | — | — |
| linux-azure-5.11 | — | — |
| linux-azure-5.13 | — | — |
| linux-azure-5.15 | — | 5.15.0-1117.126~20.04.1 |
| linux-azure-5.19 | — | — |
| linux-azure-5.3 | — | — |
| linux-azure-5.4 | — | — |
| linux-azure-5.8 | — | — |
| linux-azure-6.11 | — | — |
| linux-azure-6.14 | — | — |
| linux-azure-6.17 | — | — |
| linux-azure-6.2 | — | — |
| linux-azure-6.5 | — | — |
| linux-azure-6.8 | — | 6.8.0-1063.71~22.04.1 |
| linux-azure-edge | — | — |
| linux-azure-fde | — | — |
| linux-azure-fde-5.15 | — | 5.15.0-1117.126~20.04.2 |
| linux-azure-fde-5.19 | — | — |
| linux-azure-fde-6.14 | — | — |
| linux-azure-fde-6.17 | — | — |
| linux-azure-fde-6.2 | — | — |
| linux-azure-fde-6.8 | — | 6.8.0-1062.69~22.04.1 |
| linux-azure-fips | — | 6.8.0-1062.69+fips1 |
| linux-azure-nvidia | — | — |
| linux-azure-nvidia-6.14 | — | — |
| linux-bluefield | — | — |
| linux-fips | — | 6.8.0-134.134+fips1 |
| linux-gcp | — | — |
| linux-gcp-4.15 | — | — |
| linux-gcp-5.11 | — | — |
| linux-gcp-5.13 | — | — |
| linux-gcp-5.15 | — | — |
| linux-gcp-5.19 | — | — |
| linux-gcp-5.3 | — | — |
| linux-gcp-5.4 | — | — |
| linux-gcp-5.8 | — | — |
| linux-gcp-6.11 | — | — |
| linux-gcp-6.14 | — | — |
| linux-gcp-6.17 | — | — |
| linux-gcp-6.2 | — | — |
| linux-gcp-6.5 | — | — |
| linux-gcp-6.8 | — | 6.8.0-1063.69~22.04.1 |
| linux-gcp-fips | — | 6.8.0-1063.69+fips1 |
| linux-gke | — | 6.8.0-1058.64 |
| linux-gke-4.15 | — | — |
| linux-gke-5.15 | — | — |
| linux-gke-5.4 | — | — |
| linux-gkeop | — | 6.8.0-1045.48 |
| linux-gkeop-5.15 | — | — |
| linux-gkeop-5.4 | — | — |
| linux-hwe | — | — |
| linux-hwe-5.11 | — | — |
| linux-hwe-5.13 | — | — |
| linux-hwe-5.15 | — | 5.15.0-186.196~20.04.1 |
| linux-hwe-5.19 | — | — |
| linux-hwe-5.4 | — | — |
| linux-hwe-5.8 | — | — |
| linux-hwe-6.11 | — | — |
| linux-hwe-6.14 | — | — |
| linux-hwe-6.17 | — | — |
| linux-hwe-6.2 | — | — |
| linux-hwe-6.5 | — | — |
| linux-hwe-6.8 | — | 6.8.0-136.136~22.04.1 |
| linux-hwe-edge | — | — |
| linux-ibm | — | 6.8.0-1060.61 |
| linux-ibm-5.15 | — | 5.15.0-1106.110~20.04.1 |
| linux-ibm-5.4 | — | — |
| linux-ibm-6.8 | — | 6.8.0-1060.61~22.04.1 |
| linux-intel-5.13 | — | — |
| linux-intel-iot-realtime | — | 5.15.0-1104.106 |
| linux-intel-iotg | — | 5.15.0-1107.113 |
| linux-intel-iotg-5.15 | — | 5.15.0-1107.113~20.04.1 |
| linux-iot | — | — |
| linux-kvm | — | 5.15.0-1104.109 |
| linux-lowlatency | — | 6.8.0-134.134.1 |
| linux-lowlatency-hwe-5.15 | — | 5.15.0-184.194~20.04.1 |
| linux-lowlatency-hwe-5.19 | — | — |
| linux-lowlatency-hwe-6.11 | — | — |
| linux-lowlatency-hwe-6.2 | — | — |
| linux-lowlatency-hwe-6.5 | — | — |
| linux-lowlatency-hwe-6.8 | — | 6.8.0-134.134.1~22.04.1 |
| linux-lts-xenial | — | — |
| linux-nvidia | — | 6.8.0-1058.61 |
| linux-nvidia-6.11 | — | — |
| linux-nvidia-6.17 | — | — |
| linux-nvidia-6.2 | — | — |
| linux-nvidia-6.5 | — | — |
| linux-nvidia-6.8 | — | 6.8.0-1058.61~22.04.1 |
| linux-nvidia-lowlatency | — | 6.8.0-1058.61.1 |
| linux-nvidia-tegra | — | 6.8.0-1029.30 |
| linux-nvidia-tegra-5.15 | — | 5.15.0-1064.66~20.04.1 |
| linux-nvidia-tegra-igx | — | 5.15.0-1053.53 |
| linux-oem | — | — |
| linux-oem-5.10 | — | — |
| linux-oem-5.13 | — | — |
| linux-oem-5.14 | — | — |
| linux-oem-5.17 | — | — |
| linux-oem-5.6 | — | — |
| linux-oem-6.0 | — | — |
| linux-oem-6.1 | — | — |
| linux-oem-6.11 | — | — |
| linux-oem-6.14 | — | — |
| linux-oem-6.17 | — | — |
| linux-oem-6.5 | — | — |
| linux-oem-6.8 | — | — |
| linux-oracle | — | — |
| linux-oracle-5.0 | — | — |
| linux-oracle-5.11 | — | — |
| linux-oracle-5.13 | — | — |
| linux-oracle-5.15 | — | 5.15.0-1109.115~20.04.1 |
| linux-oracle-5.3 | — | — |
| linux-oracle-5.4 | — | — |
| linux-oracle-5.8 | — | — |
| linux-oracle-6.14 | — | — |
| linux-oracle-6.17 | — | — |
| linux-oracle-6.5 | — | — |
| linux-oracle-6.8 | — | 6.8.0-1057.58~22.04.1 |
| linux-raspi | — | — |
| linux-raspi-5.4 | — | — |
| linux-raspi-realtime | — | 6.8.0-2049.50 |
| linux-raspi2 | — | — |
| linux-realtime | — | — |
| linux-realtime-6.14 | — | — |
| linux-realtime-6.17 | — | — |
| linux-realtime-6.8 | — | 6.8.1-1055.56~22.04.1 |
| linux-riscv | — | — |
| linux-riscv-5.11 | — | — |
| linux-riscv-5.15 | — | 5.15.0-1106.110~20.04.1 |
| linux-riscv-5.19 | — | — |
| linux-riscv-5.8 | — | — |
| linux-riscv-6.14 | — | — |
| linux-riscv-6.17 | — | — |
| linux-riscv-6.5 | — | — |
| linux-riscv-6.8 | — | 6.8.0-134.134~22.04.1 |
| linux-starfive-5.19 | — | — |
| linux-starfive-6.2 | — | — |
| linux-starfive-6.5 | — | — |
| linux-xilinx | — | 6.8.0-1032.33 |
| linux-xilinx-zynqmp | — | 5.15.0-1075.79 |
References
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More UBUNTU CVE 2026 advisories
Browse all of UBUNTU CVE 2026 in the advisory index.
- UBUNTU-CVE-2026-43308
- UBUNTU-CVE-2026-43309
- UBUNTU-CVE-2026-43310
- UBUNTU-CVE-2026-43311
- UBUNTU-CVE-2026-43312
- UBUNTU-CVE-2026-43313
- UBUNTU-CVE-2026-43314
- UBUNTU-CVE-2026-43315
- UBUNTU-CVE-2026-43317
- UBUNTU-CVE-2026-43318
- UBUNTU-CVE-2026-43319
- UBUNTU-CVE-2026-43320
- UBUNTU-CVE-2026-43321
- UBUNTU-CVE-2026-43322
- UBUNTU-CVE-2026-43323
- UBUNTU-CVE-2026-43324
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