CVE-2026-43405: linux kernel from 5.11 (inclusive), before 5.15.203 (exclusive), from 5.16 (inclusive), before 6.1.167 (exclusive)…

Affected technology

linux kernel · from 5.11 (inclusive), before 5.15.203 (exclusive)
linux

linux kernel · from 5.16 (inclusive), before 6.1.167 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.130 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.78 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.19 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 6.19.9 (exclusive)
linux

linux kernel · 7.0 · update rc1
linux

linux kernel · 7.0 · update rc2
linux

linux kernel · 7.0 · update rc3
linux

Linux · a5cbd5fc22d5043a8a76e15d75d031fe24d1f69c to before ee5588e2bc41acb73f6676c0520420c107cd0140, a5cbd5fc22d5043a8a76e15d75d031fe24d1f69c to before 86f7060cd638d6eb042e8ed780fb83a59ca0dcb3, a5cbd5fc22d5043a8a76e15d75d031fe24d1f69c to before 5f2806684b05bd24d05c091083b8e2517ba8ffac, a5cbd5fc22d5043a8a76e15d75d031fe24d1f69c to before b268984ae88cb0dcd7a8e8263962c748448e26e8, a5cbd5fc22d5043a8a76e15d75d031fe24d1f69c to before ba0a4df8c563536857dcbf7b4dbd0f2a15f57ace, a5cbd5fc22d5043a8a76e15d75d031fe24d1f69c to before 08bc6173fd611ad5a40f472bf5f15b92aea0fe40, a5cbd5fc22d5043a8a76e15d75d031fe24d1f69c to before 770444611f047dbfd4517ec0bc1b179d40c2f346
Linux

Linux · 5.11
Linux

Component: Not specified by the source
File: net/ceph/mon_client.c

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.