Description
In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because a certain preempting store operation does not necessarily occur before a store operation that has an attacker-controlled value.
Details
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| linux | — | 5.4.0-90.101 |
| linux-aws | — | 5.4.0-1059.62 |
| linux-aws-5.0 | — | — |
| linux-aws-5.11 | — | 5.11.0-1019.20~20.04.1 |
| linux-aws-5.3 | — | — |
| linux-aws-5.4 | — | 5.4.0-1059.62~18.04.1 |
| linux-aws-5.8 | — | — |
| linux-aws-fips | — | — |
| linux-aws-hwe | — | — |
| linux-azure | — | 5.4.0-1063.66 |
| linux-azure-4.15 | — | — |
| linux-azure-5.11 | — | 5.11.0-1017.18~20.04.1 |
| linux-azure-5.3 | — | — |
| linux-azure-5.4 | — | 5.4.0-1063.66~18.04.1 |
| linux-azure-5.8 | — | — |
| linux-azure-edge | — | — |
| linux-azure-fde-5.15 | — | — |
| linux-azure-fips | — | — |
| linux-bluefield | — | — |
| linux-fips | — | — |
| linux-gcp | — | 5.4.0-1057.61 |
| linux-gcp-4.15 | — | — |
| linux-gcp-5.11 | — | 5.11.0-1020.22~20.04.1 |
| linux-gcp-5.3 | — | — |
| linux-gcp-5.4 | — | 5.4.0-1057.61~18.04.1 |
| linux-gcp-5.8 | — | — |
| linux-gcp-edge | — | — |
| linux-gcp-fips | — | — |
| linux-gke | — | 5.4.0-1055.58 |
| linux-gke-4.15 | — | — |
| linux-gke-5.4 | — | 5.4.0-1055.58~18.04.1 |
| linux-gkeop | — | 5.4.0-1026.27 |
| linux-gkeop-5.4 | — | 5.4.0-1026.27~18.04.1 |
| linux-hwe | — | — |
| linux-hwe-5.11 | — | 5.11.0-37.41~20.04.2 |
| linux-hwe-5.4 | — | 5.4.0-90.101~18.04.1 |
| linux-hwe-5.8 | — | — |
| linux-hwe-edge | — | — |
| linux-ibm | — | 5.4.0-1007.8 |
| linux-intel-iot-realtime | — | — |
| linux-kvm | — | 5.4.0-1049.51 |
| linux-lts-xenial | — | — |
| linux-oem | — | — |
| linux-oem-5.10 | — | 5.10.0-1050.52 |
| linux-oem-5.13 | — | 5.13.0-1014.18 |
| linux-oem-5.6 | — | — |
| linux-oracle | — | 5.4.0-1057.61 |
| linux-oracle-5.0 | — | — |
| linux-oracle-5.11 | — | 5.11.0-1019.20~20.04.1 |
| linux-oracle-5.3 | — | — |
| linux-oracle-5.4 | — | 5.4.0-1057.61~18.04.1 |
| linux-oracle-5.8 | — | — |
| linux-raspi | — | 5.4.0-1046.50 |
| linux-raspi-5.4 | — | 5.4.0-1046.50~18.04.1 |
| linux-raspi-realtime | — | — |
| linux-raspi2 | — | — |
| linux-realtime | — | — |
| linux-riscv | — | — |
| linux-riscv-5.11 | — | 5.11.0-1020.21~20.04.1 |
| linux-riscv-5.8 | — | — |
References
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