Description
In the Linux kernel, the following vulnerability has been resolved: net: tls: handle backlogging of crypto requests Since we're setting the CRYPTO_TFM_REQ_MAY_BACKLOG flag on our requests to the crypto API, crypto_aead_{encrypt,decrypt} can return -EBUSY instead of -EINPROGRESS in valid situations. For example, when the cryptd queue for AESNI is full (easy to trigger with an artificially low cryptd.cryptd_max_cpu_qlen), requests will be enqueued to the backlog but still processed. In that case, the async callback will also be called twice: first with err == -EINPROGRESS, which it seems we can just ignore, then with err == 0. Compared to Sabrina's original patch this version uses the new tls_*crypt_async_wait() helpers and converts the EBUSY to EINPROGRESS to avoid having to modify all the error handling paths. The handling is identical.
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 | — | 5.15.0-112.122 |
| linux-allwinner-5.19 | — | — |
| linux-aws | — | 5.15.0-1063.69 |
| linux-aws-5.0 | — | — |
| linux-aws-5.11 | — | — |
| linux-aws-5.13 | — | — |
| linux-aws-5.15 | — | 5.15.0-1063.69~20.04.1 |
| linux-aws-5.19 | — | — |
| linux-aws-5.3 | — | — |
| linux-aws-5.4 | — | 5.4.0-1129.139~18.04.1 |
| linux-aws-5.8 | — | — |
| linux-aws-6.2 | — | — |
| linux-aws-6.5 | — | — |
| linux-aws-fips | — | 5.15.0-1063.69+fips1 |
| linux-azure | — | 5.15.0-1066.75 |
| linux-azure-5.11 | — | — |
| linux-azure-5.13 | — | — |
| linux-azure-5.15 | — | 5.15.0-1065.74~20.04.1 |
| linux-azure-5.19 | — | — |
| linux-azure-5.3 | — | — |
| linux-azure-5.4 | — | 5.4.0-1134.141~18.04.1 |
| linux-azure-5.8 | — | — |
| linux-azure-6.2 | — | — |
| linux-azure-6.5 | — | 6.5.0-1022.23~22.04.1 |
| linux-azure-edge | — | — |
| linux-azure-fde | — | — |
| linux-azure-fde-5.19 | — | — |
| linux-azure-fde-6.2 | — | — |
| linux-azure-fde-6.8 | — | — |
| linux-azure-fips | — | 5.15.0-1065.74+fips1 |
| linux-bluefield | — | — |
| linux-fips | — | 5.15.0-111.121+fips1 |
| linux-gcp | — | 5.15.0-1062.70 |
| linux-gcp-5.11 | — | — |
| linux-gcp-5.13 | — | — |
| linux-gcp-5.15 | — | 5.15.0-1062.70~20.04.1 |
| linux-gcp-5.19 | — | — |
| linux-gcp-5.3 | — | — |
| linux-gcp-5.4 | — | 5.4.0-1133.142~18.04.1 |
| linux-gcp-5.8 | — | — |
| linux-gcp-6.2 | — | — |
| linux-gcp-6.5 | — | 6.5.0-1022.24~22.04.1 |
| linux-gcp-fips | — | 5.15.0-1062.70+fips1 |
| linux-gke | — | 5.15.0-1060.66 |
| linux-gke-4.15 | — | — |
| linux-gke-5.15 | — | — |
| linux-gke-5.4 | — | — |
| linux-gkeop | — | 5.15.0-1046.53 |
| linux-gkeop-5.15 | — | 5.15.0-1046.53~20.04.1 |
| linux-gkeop-5.4 | — | — |
| linux-hwe | — | — |
| linux-hwe-5.11 | — | — |
| linux-hwe-5.13 | — | — |
| linux-hwe-5.15 | — | 5.15.0-113.123~20.04.1 |
| linux-hwe-5.19 | — | — |
| linux-hwe-5.4 | — | 5.4.0-190.210~18.04.1 |
| linux-hwe-5.8 | — | — |
| linux-hwe-6.2 | — | — |
| linux-hwe-6.5 | — | 6.5.0-41.41~22.04.2 |
| linux-hwe-edge | — | — |
| linux-ibm | — | 5.15.0-1056.59 |
| linux-ibm-5.15 | — | 5.15.0-1057.60~20.04.1 |
| linux-ibm-5.4 | — | 5.4.0-1076.81~18.04.1 |
| linux-intel-5.13 | — | — |
| linux-intel-iot-realtime | — | 5.15.0-1056.58 |
| linux-intel-iotg | — | 5.15.0-1058.64 |
| linux-intel-iotg-5.15 | — | 5.15.0-1058.64~20.04.1 |
| linux-iot | — | 5.4.0-1041.42 |
| linux-kvm | — | 5.15.0-1060.65 |
| linux-lowlatency | — | 5.15.0-110.120 |
| linux-lowlatency-hwe-5.15 | — | 5.15.0-110.120~20.04.1 |
| linux-lowlatency-hwe-5.19 | — | — |
| linux-lowlatency-hwe-6.2 | — | — |
| linux-lowlatency-hwe-6.5 | — | 6.5.0-41.41.1~22.04.1 |
| linux-nvidia | — | 5.15.0-1058.59 |
| linux-nvidia-6.2 | — | — |
| linux-nvidia-6.5 | — | 6.5.0-1021.22 |
| linux-nvidia-tegra | — | 5.15.0-1026.26 |
| linux-nvidia-tegra-5.15 | — | 5.15.0-1027.27~20.04.1 |
| linux-nvidia-tegra-igx | — | 5.15.0-1015.15 |
| 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-6.5 | — | 6.5.0-1024.25 |
| linux-oracle | — | 5.15.0-1061.67 |
| linux-oracle-5.0 | — | — |
| linux-oracle-5.11 | — | — |
| linux-oracle-5.13 | — | — |
| linux-oracle-5.15 | — | 5.15.0-1061.67~20.04.1 |
| linux-oracle-5.3 | — | — |
| linux-oracle-5.4 | — | 5.4.0-1129.138~18.04.1 |
| linux-oracle-5.8 | — | — |
| linux-oracle-6.5 | — | 6.5.0-1024.24~22.04.1 |
| linux-raspi | — | 5.15.0-1058.61 |
| linux-raspi-5.4 | — | 5.4.0-1114.126~18.04.1 |
| linux-raspi-realtime | — | 6.8.0-2002.2 |
| linux-raspi2 | — | — |
| linux-realtime | — | 5.15.0-1064.72 |
| linux-riscv | — | — |
| linux-riscv-5.11 | — | — |
| linux-riscv-5.15 | — | 5.15.0-1059.63~20.04.1 |
| linux-riscv-5.19 | — | — |
| linux-riscv-5.8 | — | — |
| linux-riscv-6.5 | — | 6.5.0-40.40.1~22.04.1 |
| linux-starfive-5.19 | — | — |
| linux-starfive-6.2 | — | — |
| linux-starfive-6.5 | — | 6.5.0-1015.16~22.04.1 |
| linux-xilinx-zynqmp | — | 5.15.0-1030.34 |
References
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