PT-2026-36374 · Linux+3 · Linux+108

Published 2026-05-01 · Updated 2026-05-23 · CVE-2026-31739

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The tegra crypto driver fails to set the CRYPTO ALG ASYNC flag on its asynchronous algorithms. This causes the crypto API to incorrectly select these algorithms for users requesting only synchronous algorithms, which leads to system crashes.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Assertion Failure

Weakness Enumeration

CWE-617

Related Identifiers

CVE-2026-31739

Affected Products

Linux

Linux-Allwinner-5.19

Linux-Aws

Linux-Aws-5.0

Linux-Aws-5.11

Linux-Aws-5.13

Linux-Aws-5.19

Linux-Aws-5.3

Linux-Aws-5.8

Linux-Aws-6.14

Linux-Aws-6.17

Linux-Aws-6.2

Linux-Aws-6.5

Linux-Azure

Linux-Azure-5.11

Linux-Azure-5.13

Linux-Azure-5.19

Linux-Azure-5.3

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-Edge

Linux-Azure-Fde

Linux-Azure-Fde-5.19

Linux-Azure-Fde-6.14

Linux-Azure-Fde-6.17

Linux-Azure-Fde-6.2

Linux-Azure-Nvidia-6.14

Linux-Gcp

Linux-Gcp-5.11

Linux-Gcp-5.13

Linux-Gcp-5.19

Linux-Gcp-5.3

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-Gke

Linux-Gke-4.15

Linux-Gkeop-5.15

Linux-Gke-5.4

Linux-Gkeop

Linux-Hwe

Linux-Hwe-5.11

Linux-Hwe-5.13

Linux-Hwe-5.19

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-Edge

Linux-Intel-5.13

Linux-Intel-Iot-Realtime

Linux-Lowlatency-Hwe-5.19

Linux-Lowlatency-Hwe-6.11

Linux-Lowlatency-Hwe-6.2

Linux-Lowlatency-Hwe-6.5

Linux-Lts

Linux-Nvidia

Linux-Nvidia-6.11

Linux-Nvidia-6.17

Linux-Nvidia-6.2

Linux-Nvidia-6.5

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-5.3

Linux-Oracle-5.8

Linux-Oracle-6.14

Linux-Oracle-6.17

Linux-Oracle-6.5

Linux-Raspi

Linux-Raspi-Realtime

Linux-Raspi2

Linux-Realtime

Linux-Realtime-6.14

Linux-Realtime-6.17

Linux-Riscv

Linux-Riscv-5.11

Linux-Riscv-5.19

Linux-Riscv-5.8

Linux-Riscv-6.14

Linux-Riscv-6.17

Linux-Riscv-6.5

Linux-Starfive-5.19

Linux-Starfive-6.2

Linux-Starfive-6.5

Linux Kernel

References · 14

• https://ubuntu.com/security/CVE-2026-31739 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-31739 · Security Note
• https://git.kernel.org/stable/c/bdbf027a4504b4a86740de6beb6d18a957331839 · Patch
• https://git.kernel.org/stable/c/4b56770d345524fc2acc143a2b85539cf7d74bc1 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-31739 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2026-31739 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-31739 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-31739 · Vendor Advisory
• https://git.kernel.org/stable/c/3aea268b6d5cde3b087df9eeecc3bc620aa09513 · Patch
• https://security-tracker.debian.org/tracker/CVE-2026-31739 · Vendor Advisory
• https://git.kernel.org/stable/c/429d05565eb19ee545d8a8395991372adbe4daf3 · Patch
• https://docs.bell-sw.com/security/cves/CVE-2026-31739 · Note
• https://git.kernel.org/linus/4b56770d345524fc2acc143a2b85539cf7d74bc1 · Note
• https://twitter.com/DFIR_Lab/status/2058001297912058070 · Twitter Post