CVE-2026-72107

Last refreshed2026-10-17

Status: UPDATED | Advisory ID: CVE-2026-72107

Key Details

CVE	CVE-2026-72107
CVSS Score / Version	8.8 (High) / CVSS v3.1
Updated	2026-10-16
CVSS Vector	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`
CVSS Prose	attack vector is network; attack complexity is low; privileges required is low; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected products	Linux Kernel

Vendor	Product	Affected Versions	Patch Status
Linux	Linux Kernel

Vendor

Product

Affected Versions

Patch Status

Linux

Linux Kernel

Subsystems	OT Supporting Infrastructure
Sectors	All Sectors

In the Linux kernel, the following vulnerability has been resolved:

dm era: fix out-of-bounds memory access for non-zero start sector

dm-era tracks writes in target-relative blocks, but era_map() calculates

the writeset block before applying the target offset. Tables with a

non-zero start sector can therefore pass an absolute mapped-device block

to metadata_current_marked().

If the absolute block is beyond the current writeset size,

writeset_marked() tests past the end of the in-core bitset. KASAN reports

this as a vmalloc-out-of-bounds access.

Apply the target offset before calculating the era block so writeset

lookups use the target-relative block number. (NVD)

Monitor Linux's web page for any future patch releases.

Source	Reference
NVD	https://nvd.nist.gov/vuln/detail/CVE-2026-72107
CVE	https://www.cve.org/CVERecord?id=CVE-2026-72107

Source

Reference

NVD

CVE