CVE-2026-23060

Aliases:UBUNTU-CVE-2026-23060DEBIAN-CVE-2026-23060
Advisory lineage Upstream: 0 Downstream: 64
Modified
Published: 04 Feb 2026, 16:07
Last modified:08 Sept 2026, 08:44

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.13% LOW
0% probability +0.11%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

04 Feb 2026, 16:07
Published
Vulnerability first disclosed
08 Sept 2026, 08:44
Last Modified
Vulnerability information updated

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec authencesn assumes an ESP/ESN-formatted AAD. When assoclen is shorter than the minimum expected length, crypto_authenc_esn_decrypt() can advance past the end of the destination scatterlist and trigger a NULL pointer dereference in scatterwalk_map_and_copy(), leading to a kernel panic (DoS). Add a minimum AAD length check to fail fast on invalid inputs.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.13%• Percentile: 3%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • debian•linux

    < 5.10.249-1 | < 6.1.162-1 | < 6.12.69-1 | < 6.18.8-1

  • debian•linux-6.1

    < 6.1.162-1~deb11u1

  • ubuntu•linux

    < 4.4.0-279.313 | < 4.15.0-248.260 | < 5.4.0-228.248 | < 5.15.0-174.184 | < 6.8.0-107.107 | < 6.17.0-20.20

  • ubuntu•linux-allwinner-5.19

    all

  • ubuntu•linux-aws

    < 4.4.0-1153.159 | < 4.4.0-1191.206 | < 4.15.0-1190.203 | < 5.4.0-1157.167 | < 5.15.0-1104.111 | < 6.8.0-1051.54 | < 6.17.0-1010.10

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.15

    < 5.15.0-1104.111~20.04.1

  • ubuntu•linux-aws-5.19

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1157.167~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-6.14

    all

  • ubuntu•linux-aws-6.17

    < 6.17.0-1010.10~24.04.1

  • ubuntu•linux-aws-6.2

    all

  • ubuntu•linux-aws-6.5

    all

  • ubuntu•linux-aws-6.8

    < 6.8.0-1051.54~22.04.1

  • ubuntu•linux-aws-fips

    < 4.15.0-2128.134 | all | < 5.4.0-1157.167+fips1 | < 5.15.0-1104.111+fips1 | < 6.8.0-1051.54+fips1

  • ubuntu•linux-aws-hwe

    < 4.15.0-1190.203~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1199.214~14.04.1 | < 4.15.0-1200.215~16.04.1 | all | < 5.4.0-1161.167 | < 5.15.0-1109.118 | < 6.8.0-1052.58 | < 6.17.0-1011.11

  • ubuntu•linux-azure-4.15

    < 4.15.0-1199.214

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.15

    < 5.15.0-1110.119~20.04.1

  • ubuntu•linux-azure-5.19

    all

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1161.167~18.04.1

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-6.11

    all

  • ubuntu•linux-azure-6.14

    all

  • ubuntu•linux-azure-6.17

    < 6.17.0-1011.11~24.04.2

  • ubuntu•linux-azure-6.2

    all

  • ubuntu•linux-azure-6.5

    all

  • ubuntu•linux-azure-6.8

    < 6.8.0-1052.58~22.04.1

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    all | all | all | all

  • ubuntu•linux-azure-fde-5.19

    all

  • ubuntu•linux-azure-fde-6.14

    all

  • ubuntu•linux-azure-fde-6.2

    all

  • ubuntu•linux-azure-fde-6.8

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2109.115 | all | < 5.4.0-1161.167+fips1 | < 5.15.0-1109.118+fips1 | < 6.8.0-1052.58+fips1

  • ubuntu•linux-azure-nvidia

    all

  • ubuntu•linux-azure-nvidia-6.14

    all

  • ubuntu•linux-bluefield

    all | < 5.4.0-1116.123 | < 5.15.0-1087.89 | < 6.8.0-1017.21

  • ubuntu•linux-fips

    < 4.4.0-1123.130 | all | < 4.15.0-1145.157 | < 5.4.0-1131.141 | < 5.15.0-174.184+fips1 | < 6.8.0-107.107+fips1

  • ubuntu•linux-gcp

    < 4.15.0-1183.200~16.04.2 | all | < 5.4.0-1160.169 | < 5.15.0-1104.113 | < 6.8.0-1053.56 | < 6.17.0-1010.10

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1183.200

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

Showing first 50 affected entries in server-rendered view.

References (48)