CVE-2021-43267
An issue was discovered in net/tipc/crypto.c in the Linux kernel before 5.14.16. The Transparent Inter-Process Communication (TIPC) functionality allows remote attackers to exploit insufficient
02 Description
An issue was discovered in net/tipc/crypto.c in the Linux kernel before 5.14.16. The Transparent Inter-Process Communication (TIPC) functionality allows remote attackers to exploit insufficient
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 57.85% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 99.0% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (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:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. 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
- 2021-11-02 22:13Z4 YR AGO
- Last updated
- 2024-08-04 03:55Z2 YR AGO
- Reserved
- 2021-11-02
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 6b93696409039139e18375b0f99da61b69efaa2ebfe82872d66ab36eb99b9ca7
05 Affected products
06 References
- github.comhttps://github.com/torvalds/linux/commit/fa40d9734a57bcbfa79a280189799f76c88f7bb0
- cdn.kernel.orghttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.16
- lists.fedoraproject.orgFEDORA-2021-a093973910https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDDEW4APTYKJK365HC2JZIVXYUV7ZRN7/
- lists.fedoraproject.orgFEDORA-2021-bdd146e463https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVWL7HZV5T5OEKJPO2D67RMFMKBBXGGB/
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20211125-0002/
- www.openwall.com[oss-security] 20220210 CVE-2022-0435: Remote Stack Overflow in Linux Kernel TIPC Module since 4.8 (net/tipc)http://www.openwall.com/lists/oss-security/2022/02/10/1
07 Fixed in
AlmaLinux 8
- kernel-tools-libs-devel Fixed in 4.18.0-348.2.1.el8_5
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Arch Linux
- linux Fixed in 5.14.16.arch1-1
- linux-hardened Fixed in 5.14.16.hardened1-1
- linux-lts Fixed in 5.10.77-1
- linux-zen Fixed in 5.14.16.zen1-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
CloudLinux 8
- kernel-tools-libs-devel Fixed in 4.18.0-348.2.1.el8_5
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 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 12
- linux Fixed in 5.14.16-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- linux Fixed in 5.14.16-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- linux Fixed in 5.14.16-1
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-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 Fixed in 5.11.0-1023.24~20.04.1
- linux-aws-5.8 No fix yet
- linux-azure-5.11 Fixed in 5.11.0-1023.24~20.04.1
- linux-azure-5.8 No fix yet
- linux-gcp-5.11 Fixed in 5.11.0-1024.26~20.04.1
- linux-gcp-5.8 No fix yet
- linux-hwe-5.11 Fixed in 5.11.0-44.48~20.04.2
- linux-hwe-5.13 Fixed in 5.13.0-23.23~20.04.2
- linux-intel-5.13 No fix yet
- linux-oem-5.10 Fixed in 5.10.0-1053.55
- linux-oem-5.13 Fixed in 5.13.0-1026.32
- linux-oem-5.14 Fixed in 5.14.0-1008.8
- linux-oem-5.6 No fix yet
- linux-oracle-5.11 Fixed in 5.11.0-1023.24~20.04.1
- linux-oracle-5.8 No fix yet
- linux-raspi2 No fix yet
- linux-riscv No fix yet
- linux-riscv-5.11 Fixed in 5.11.0-1024.25~20.04.1
- 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.
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.