01 Record
CVE-2026-31635
rxrpc: fix oversized RESPONSE authenticator length check
HighPUBLISHEDCNA: Linux
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
02 Description
rxrpc: fix oversized RESPONSE authenticator length check
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 1.01% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 63.0% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-04-24 14:44Z6 MO AGO
- Last updated
- 2026-08-05 12:23Z2 MO AGO
- Reserved
- 2026-03-09
- Assigning CNA
- Linux
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-130Improper Handling of Length Parameter InconsistencyBase
- Data version
- 5.2
- Document digest
- 744fe80e71bb63af17471d611f35329f46fe49cac436e29a031d10d12d39fbeb
05 Affected products
VendorProductVersionsPlatforms
LinuxLinux9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a to < beee051f259acd286fed64c32c2b31e6f5097eb5, 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a to < e2f1a80d8b1ed6a5ae585a399c2b46500bdcc305, 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a to < a2567217ade970ecc458144b6be469bc015b23e5, 6.16—
06 References
- git.kernel.orghttps://git.kernel.org/stable/c/beee051f259acd286fed64c32c2b31e6f5097eb5
- git.kernel.orghttps://git.kernel.org/stable/c/e2f1a80d8b1ed6a5ae585a399c2b46500bdcc305
- git.kernel.orghttps://git.kernel.org/stable/c/a2567217ade970ecc458144b6be469bc015b23e5
- github.comhttps://github.com/v12-security/pocs/tree/main/dirtydecrypt
07 Fixed in
AlmaLinux 10
- kernel Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-debug Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-debug-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-debug-devel Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-debug-devel-matched Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-debug-modules Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-debug-modules-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-debug-modules-extra Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-devel Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-devel-matched Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-modules Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-modules-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-modules-extra Fixed in 6.12.0-211.40.1.el10_2
- kernel-abi-stablelists Fixed in 6.12.0-211.40.1.el10_2
- kernel-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-cross-headers Fixed in 6.12.0-211.40.1.el10_2
- kernel-debug Fixed in 6.12.0-211.40.1.el10_2
- kernel-debug-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-debug-devel Fixed in 6.12.0-211.40.1.el10_2
- kernel-debug-devel-matched Fixed in 6.12.0-211.40.1.el10_2
- kernel-debug-modules Fixed in 6.12.0-211.40.1.el10_2
- kernel-debug-modules-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-debug-modules-extra Fixed in 6.12.0-211.40.1.el10_2
- kernel-debug-uki-virt Fixed in 6.12.0-211.40.1.el10_2
- kernel-devel Fixed in 6.12.0-211.40.1.el10_2
- kernel-devel-matched Fixed in 6.12.0-211.40.1.el10_2
- kernel-doc Fixed in 6.12.0-211.40.1.el10_2
- kernel-headers Fixed in 6.12.0-211.40.1.el10_2
- kernel-modules Fixed in 6.12.0-211.40.1.el10_2
- kernel-modules-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-modules-extra Fixed in 6.12.0-211.40.1.el10_2
- kernel-modules-extra-matched Fixed in 6.12.0-211.40.1.el10_2
- kernel-rt Fixed in 6.12.0-211.40.1.el10_2
- kernel-rt-64k Fixed in 6.12.0-211.40.1.el10_2
- kernel-rt-64k-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-rt-64k-debug Fixed in 6.12.0-211.40.1.el10_2
- kernel-rt-64k-debug-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-rt-64k-debug-devel Fixed in 6.12.0-211.40.1.el10_2
35 further packages in AlmaLinux 10 not shown (first 40 listed).
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 10
- kernel Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-debug Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-debug-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-debug-devel Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-debug-devel-matched Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-debug-modules Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-debug-modules-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-debug-modules-extra Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-devel Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-devel-matched Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-modules Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-modules-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-64k-modules-extra Fixed in 6.12.0-211.40.1.el10_2
- kernel-abi-stablelists Fixed in 6.12.0-211.40.1.el10_2
- kernel-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-cross-headers Fixed in 6.12.0-211.40.1.el10_2
- kernel-debug Fixed in 6.12.0-211.40.1.el10_2
- kernel-debug-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-debug-devel Fixed in 6.12.0-211.40.1.el10_2
- kernel-debug-devel-matched Fixed in 6.12.0-211.40.1.el10_2
- kernel-debug-modules Fixed in 6.12.0-211.40.1.el10_2
- kernel-debug-modules-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-debug-modules-extra Fixed in 6.12.0-211.40.1.el10_2
- kernel-debug-uki-virt Fixed in 6.12.0-211.40.1.el10_2
- kernel-devel Fixed in 6.12.0-211.40.1.el10_2
- kernel-devel-matched Fixed in 6.12.0-211.40.1.el10_2
- kernel-doc Fixed in 6.12.0-211.40.1.el10_2
- kernel-headers Fixed in 6.12.0-211.40.1.el10_2
- kernel-modules Fixed in 6.12.0-211.40.1.el10_2
- kernel-modules-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-modules-extra Fixed in 6.12.0-211.40.1.el10_2
- kernel-modules-extra-matched Fixed in 6.12.0-211.40.1.el10_2
- kernel-rt Fixed in 6.12.0-211.40.1.el10_2
- kernel-rt-64k Fixed in 6.12.0-211.40.1.el10_2
- kernel-rt-64k-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-rt-64k-debug Fixed in 6.12.0-211.40.1.el10_2
- kernel-rt-64k-debug-core Fixed in 6.12.0-211.40.1.el10_2
- kernel-rt-64k-debug-devel Fixed in 6.12.0-211.40.1.el10_2
35 further packages in CloudLinux 10 not shown (first 40 listed).
Derived from AlmaLinux 10. Partial coverage: only packages taken from AlmaLinux 10 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- linux Fixed in 6.19.13-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- linux-hwe-edge No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- linux-aws-5.0 No fix yet
- linux-aws-5.3 No fix yet
- linux-azure No fix yet
- linux-azure-5.3 No fix yet
- linux-azure-edge No fix yet
- linux-gcp No fix yet
- linux-gcp-5.3 No fix yet
- linux-gke-4.15 No fix yet
- linux-gke-5.4 No fix yet
- linux-gkeop-5.4 No fix yet
- linux-hwe No fix yet
- linux-hwe-edge No fix yet
- linux-oem No fix yet
- linux-oracle-5.0 No fix yet
- linux-oracle-5.3 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- linux-aws-5.11 No fix yet
- linux-aws-5.13 No fix yet
- linux-aws-5.8 No fix yet
- linux-azure-5.11 No fix yet
- linux-azure-5.13 No fix yet
- linux-azure-5.8 No fix yet
- linux-azure-fde No fix yet
- linux-gcp-5.11 No fix yet
- linux-gcp-5.13 No fix yet
- linux-gcp-5.8 No fix yet
- linux-gke No fix yet
- linux-gke-5.15 No fix yet
- linux-gkeop No fix yet
- linux-gkeop-5.15 No fix yet
- linux-hwe-5.11 No fix yet
- linux-hwe-5.13 No fix yet
- linux-hwe-5.8 No fix yet
- linux-intel-5.13 No fix yet
- linux-oem-5.10 No fix yet
- linux-oem-5.13 No fix yet
- linux-oem-5.14 No fix yet
- linux-oem-5.6 No fix yet
- linux-oracle-5.11 No fix yet
- linux-oracle-5.13 No fix yet
- linux-oracle-5.8 No fix yet
- linux-raspi2 No fix yet
- linux-riscv No fix yet
- linux-riscv-5.11 No fix yet
- linux-riscv-5.8 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- linux-allwinner-5.19 No fix yet
- linux-aws-5.19 No fix yet
- linux-aws-6.2 No fix yet
- linux-aws-6.5 No fix yet
- linux-azure-5.19 No fix yet
- linux-azure-6.2 No fix yet
- linux-azure-6.5 No fix yet
- linux-azure-fde-5.19 No fix yet
- linux-azure-fde-6.2 No fix yet
- linux-gcp-5.19 No fix yet
- linux-gcp-6.2 No fix yet
- linux-gcp-6.5 No fix yet
- linux-hwe-5.19 No fix yet
- linux-hwe-6.2 No fix yet
- linux-hwe-6.5 No fix yet
- linux-intel-iot-realtime No fix yet
- linux-lowlatency-hwe-5.19 No fix yet
- linux-lowlatency-hwe-6.2 No fix yet
- linux-lowlatency-hwe-6.5 No fix yet
- linux-nvidia-6.2 No fix yet
- linux-nvidia-6.5 No fix yet
- linux-oem-5.17 No fix yet
- linux-oem-6.0 No fix yet
- linux-oem-6.1 No fix yet
- linux-oem-6.5 No fix yet
- linux-oracle-6.5 No fix yet
- linux-realtime No fix yet
- linux-riscv No fix yet
- linux-riscv-5.19 No fix yet
- linux-riscv-6.5 No fix yet
- linux-starfive-5.19 No fix yet
- linux-starfive-6.2 No fix yet
- linux-starfive-6.5 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- linux-aws-6.14 No fix yet
- linux-aws-6.17 Fixed in 6.17.0-1019.19~24.04.1
- linux-azure-6.11 No fix yet
- linux-azure-6.17 Fixed in 6.17.0-1021.21~24.04.1
- linux-gcp-6.11 No fix yet
- linux-gcp-6.14 No fix yet
- linux-gcp-6.17 Fixed in 6.17.0-1020.22~24.04.1
- linux-hwe-6.11 No fix yet
- linux-hwe-6.14 No fix yet
- linux-hwe-6.17 Fixed in 6.17.0-40.40~24.04.1
- linux-lowlatency-hwe-6.11 No fix yet
- linux-nvidia-6.11 No fix yet
- linux-nvidia-6.17 Fixed in 6.17.0-1026.26
- linux-oem-6.11 No fix yet
- linux-oem-6.14 No fix yet
- linux-oem-6.17 Fixed in 6.17.0-1028.28
- linux-oem-6.8 No fix yet
- linux-oracle-6.14 No fix yet
- linux-oracle-6.17 Fixed in 6.17.0-1018.18~24.04.1
- linux-raspi-realtime No fix yet
- linux-realtime No fix yet
- linux-riscv No fix yet
- linux-riscv-6.14 No fix yet
- linux-riscv-6.17 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 25.10
- linux Fixed in 6.17.0-40.40
- linux-aws Fixed in 6.17.0-1019.19
- linux-azure No fix yet
- linux-azure-fde No fix yet
- linux-gcp Fixed in 6.17.0-1020.22
- linux-oracle Fixed in 6.17.0-1018.18
- linux-raspi Fixed in 6.17.0-1021.21
- linux-realtime Fixed in 6.17.0-1017.19
- linux-riscv Fixed in 6.17.0-40.40.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.04 LTS
- linux-nvidia Fixed in 7.0.0-1006.6
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro Realtime 24.04 LTS
- linux-realtime-6.14 No fix yet
- linux-realtime-6.17 Fixed in 6.17.0-1017.19~24.04.1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.