CVE-2026-53397: linux kernel from 2.6.13 (inclusive), before 5.10.260 (exclusive), from 5.11 (inclusive), before 5.15.211 (exclusive)…

Affected technology

linux kernel · from 2.6.13 (inclusive), before 5.10.260 (exclusive)
linux

linux kernel · from 5.11 (inclusive), before 5.15.211 (exclusive)
linux

linux kernel · from 5.16 (inclusive), before 6.1.177 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.144 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.95 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.38 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 7.1.3 (exclusive)
linux

Linux · a257cdd0e2179630d3201c32ba14d7fcb3c3a055 to before b2eb1ffd511d1b3c3e21122f97cbbccea411e277, a257cdd0e2179630d3201c32ba14d7fcb3c3a055 to before b94c4be77682aab06d65ca7296149e3bcfb37353, a257cdd0e2179630d3201c32ba14d7fcb3c3a055 to before 887f92ceccf3eacd5f2402db21254d66372fae00, a257cdd0e2179630d3201c32ba14d7fcb3c3a055 to before 1e96239fddcefacf6afe6c498357be68eacbcabc, a257cdd0e2179630d3201c32ba14d7fcb3c3a055 to before bd69a825485168ef74e815ecb286754b570fdcc7, a257cdd0e2179630d3201c32ba14d7fcb3c3a055 to before 136b416593f1349cf6f72c8e3d18f0f204ee8545, a257cdd0e2179630d3201c32ba14d7fcb3c3a055 to before a5b42c1e4ff2befaa6b96f7cbf32174751eba083, a257cdd0e2179630d3201c32ba14d7fcb3c3a055 to before 0853ac544c590880d797b04daa33fcb72b6be0e1
Linux

Linux · 2.6.13
Linux

Component: Not specified by the source
File: fs/nfsd/nfs2acl.c, fs/nfsd/nfs3acl.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.