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CVE-2026-43158: linux kernel 2.6.12; +1 more affected products

CVE-2026-43158. CVSS 3.1 base score 8.8 (HIGH, Source advisory). EPSS 0.00469 (percentile 0.39067), scored 15-Oct-2026.

Affected technology

linux kernel · from 2.6.12.1 (inclusive), before 5.10.252 (exclusive)
linux

linux kernel · from 5.11 (inclusive), before 5.15.202 (exclusive)
linux

linux kernel · from 5.16 (inclusive), before 6.1.165 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.128 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.75 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.16 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 6.19.6 (exclusive)
linux

linux kernel · 2.6.12
linux

linux kernel · 2.6.12 · update rc2
linux

linux kernel · 2.6.12 · update rc3
linux

linux kernel · 2.6.12 · update rc4
linux

linux kernel · 2.6.12 · update rc5
linux

Linux · 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before d08976725355b9d54d8332fce223fa281cc304a5, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 6a8737afbccc340e718e0b22577312826390be8b, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before a396b3d73d51355e50acdb403ba9c4cae4c1174e, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 38613c01f69e1e77e6b8acab1e8ac665d01c2f15, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before ef42a8766ff3fdf51cf72fb36d0859c09d134478, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 43f3b18679615a93bd848afde3602ba160637a46, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 24ce71852f2cee6581e2cbebc15489ed52bf63b7, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 3eefc0c2b78444b64feeb3783c017d6adc3cd3ce
Linux

Linux · 2.6.12
Linux

Component: Not specified by the source
File: fs/xfs/libxfs/xfs_attr_leaf.c

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

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 8.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CWE
CWE-787
CCR priority
35.3 /100 (P4)
CVSS 3.1
8.8 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Source advisory
EPSS
0.00469 · percentile 0.39067 · 2026-10-15
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-43158.html